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9761 results about "Film-coated tablet" patented technology

A film coating is a thin polymer-based coat applied to a solid dosage form such as a tablet. The thickness of such a coating is usually between 20-100 µm. It is possible to follow the dynamic curing effect on tablet coating structure by using non-destructive analytical methodologies.

Systems and Methods of the Formation of Solid State Metal Boride and Oxide Coatings

A system and method for the formation of novel small particles, thin films, and coatings of solid state metal boride material. The metal boride materials may be formed using aerosol methods and / or spray pyrolysis to form a generally uniform, thin film coating of boride compound spheres. Boride solutions or compounds are sprayed via a gas nebulizer in a reactor containing a substrate and heated to approximately 900° Celsius. The boride compounds form uniform, spherical particles of approximately one micrometer in diameter. The boride compounds are extremely strong, non-reactive, dense, and, when prepared as films or coating, adhere very well to substrates, such as metals.
Owner:SYRACUSE UNIVERSITY

Method of deposition of thin films of amorphous and crystalline microstructures based on ultrafast pulsed laser deposition

Powerful nanosecond-range lasers using low repetition rate pulsed laser deposition produce numerous macroscopic size particles and droplets, which embed in thin film coatings. This problem has been addressed by lowering the pulse energy, keeping the laser intensity optional for evaporation, so that significant numbers of the macroscopic particles and droplets are no longer present in the evaporated plume. The result is deposition of evaporated plume on a substrate to form thin film of very high surface quality. Preferably, the laser pulses have a repetition rate to produce a continuous flow of evaporated material at the substrate. Pulse-range is typically picosecond and femtosecond and repetition rate kilohertz to hundreds of megahertz. The process may be carried out in the presence of a buffer gas, which may be inert or reactive, and the increased vapour density and therefore the collision frequency between evaporated atoms leads to the formation of nanostructured materials of increasing interest, because of their peculiar structural, electronic and mechanical properties. One of these is carbon nanotubes, which is a new form of carbon belonging to the fullerene (C60) family. Carbon nanotubes are seamless, single or multishell co-axial cylindrical tubules with or without dome caps at the extremities. Typically diameters range from 1 nm to 50 nm with a length >1 mum. The electronic structure may be either metallic or semiconducting without any change in the chemical bonding or adding of dopant. In addition, the materials have application to a wide range of established thin film applications.
Owner:AUSTRALIEN NAT UNIV

Methods for stepwise deposition of silk fibroin coatings

The invention provides a method for the controlled assembly of layered silk fibroin coatings using aqueous silk fibroin material. The methods described herein can be used to coat substrates of any material, shape, or size. Importantly, the described methods enable control of the biomaterial surface chemistry, thickness, morphology and structure using layered thin film coatings, or bulk coatings. Furthermore, the methods can be performed in all water and do not require intensive chemical processing enabling controlled entrapment of labile molecules such as, drugs, cytokines, and even cells or viruses to generate functional coatings that can be used in a variety of applications.
Owner:TRUSTEES OF TUFTS COLLEGE TUFTS UNIV

Plasma source and methods for depositing thin film coatings using plasma enhanced chemical vapor deposition

ActiveUS20100028238A1Stable and uniform and long plasmaSilicaElectric discharge tubesGas phaseFilm-coated tablet
The present invention provides novel plasma sources useful in the thin film coating arts and methods of using the same. More specifically, the present invention provides novel linear and two dimensional plasma sources that produce linear and two dimensional plasmas, respectively, that are useful for plasma-enhanced chemical vapor deposition. The present invention also provides methods of making thin film coatings and methods of increasing the coating efficiencies of such methods.
Owner:AGC FLAT GLASS NORTH AMERICA INC +1

Pharmaceutical dosage form with multiple coatings for reduced impact of coating fractures

The present invention relates to a pharmaceutical composition in a solid unit dosage form for oral administration in a human or lower animal comprising: a. a safe and effective amount of a therapeutically active agent; b. an inner coating layer selected from the group consisting of poly(methacrylic acid, methyl methacrylate) 1:2, poly(methacrylic acid, methyl methacrylate) 1:1, and mixtures thereof; and c. an outer coating layer comprising an enteric polymer or film coating material; wherein the inner coating layer is not the same as the outer coating layer; wherein if the inner coating layer is poly(methacrylic acid, methyl methacrylate) 1:1 then the outer coating layer is not poly(methacrylic acid, methyl methacrylate) 1:2 or is not a mixture of poly(methacrylic acid, methyl methacrylate) 1:1 and poly(methacrylic acid, methyl methacrylate) 1:2; and wherein the inner coating layer and the outer coating layer do not contain any therapeutically active agent. This invention further relates to a method of maintaining the desired site of delivery of a therapeutic agent in the gastrointestinal tract by administering the above compositions to a human or lower animal.
Owner:APTALIS PHARMA

Film coating composition for whitening teeth

PCT No. PCT / CN97 / 00004 Sec. 371 Date Sep. 17, 1998 Sec. 102(e) Date Sep. 17, 1998 PCT Filed Jan. 20, 1997 PCT Pub. No. WO97 / 25968 PCT Pub. Date Jul. 24, 1997The invention relates to a tooth-whitening varnish composition, comprising 6-20% of carbamide peroxide, 2-9% of film forming agent and 77-88% of volatile organic solvent, based on the total weight of the composition. The volatile organic solvent is selected from ether, ethylacetate, ethyl alcohol, or acetone. The film forming agent is artificial or natural material selected from cellulose, polyvinyl, butyral, coumarone resin or shellac. The composition can rapidly form films on dry tooth surfaces, and a remarkable tooth-whitening effect can be obtained.
Owner:IVOCLAR VIVADENT INC

Conductive antireflective coatings and methods of producing same

This invention relates to a two layers or more anti-static film coating deposited on a substrate. Selected layers of the films may have anti-static and / or electromagnetic properties. In one embodiment, the film farthest from the substrate has an index of refraction lower than the underlying film. In another embodiment, the surface of the film is roughened to provide a graded index of refraction.
Owner:VITRO FLAT GLASS LLC

Graphite nanoplatelets for thermal and electrical applications

This disclosure concerns a procedure for bulk scale preparation of high aspect ratio, 2-dimensional nano platelets comprised of a few graphene layers, Gn. n may, for example, vary between about 2 to 10. Use of these nano platelets in applications such as thermal interface materials, advanced composites, and thin film coatings provide material systems with superior mechanical, electrical, optical, thermal, and antifriction characteristics.
Owner:RGT UNIV OF CALIFORNIA

Devices, Systems and Methods for Ophthalmic Drug Delivery

Devices, systems and techniques for delivering drugs to an ocular tissue are described. In at least some embodiments, a terminal component (e.g., a needle or open end of a catheter) is implanted in an ocular tissue and used to deliver one or more drugs. The delivered drugs may come from a source which is also implanted, or may be introduced from an external source (e.g., via a port). Both solid and liquid drug formulations can be used. Ocular implants can alternatively include a thin film coating that releases a drug into an ocular tissue.
Owner:NEUROSYSTEC CORP

Agricultural seed having protective coatings

A seed coating composition is disclosed. The seed coating composition has a first protective polymer film coating, which is non-phytotoxic, maintains oxygen exchange properties, and is hygroscopic. The seed coating composition also has a secondary growth augmentation coating. Also disclosed is a method for coating seeds with a first protective polymer film coating and a secondary growth augmentation coating.
Owner:LYNCH JOHN F

Absorbent structure with improved water-absorbing material

ActiveUS20080027402A1High core shell centrifuge retention capacityHigh saline flow conductivityPretreated surfacesAdhesive dressingsAntioxidantFluidized bed
The present invention relates to an absorbent structure suitable in, or being an adult or infant diaper or feminine hygiene article, comprising a water-absorbing material comprising water-absorbing particles that comprise a film coating, comprising an elastic film-forming polymer and an antioxidant. The invention also relates to an absorbent structure comprising a water absorbent material obtainable by a process of: a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor at a temperature in the range from 0° C. to 150° C. and b) heat-treatment of the coated polymeric particles at a temperature above 50° C., wherein in step a) and / or b) an antioxidant is added.
Owner:THE PROCTER & GAMBLE COMPANY

Small form factor all-polymer optical device with integrated dual beam path based on total internal reflection optical turn

A monolithic optical module of injection-molded high temperature polymeric resin combines an optical turn of typically 90 degrees together with dual or triple beam paths. No additional piece parts are necessary for achieving the optical turn, since this occurs by total internal reflection (TIR), and no additional piece parts are necessary for dual monitoring, which is realized by means of an air-gap functioning as a dual beam-splitter plate. The monolithic optical module further includes integrally surfaces for accurate alignment of the module with external optical elements, and can additionally include integral optical elements, for example lenses and thin film coatings.
Owner:AVAGO TECH INT SALES PTE LTD

Flavoring of drug-containing chewing gums

A chewing gum comprising at least one active pharmaceutical ingredient (API) with a core onto which is applied at least one inner polymer film coating and thereafter onto which is applied at least one outer hard coating. A preferred API is nicotine. Flavoring agents may be incorporated in the core, in the at least one inner polymer film coating and / or in the at least one outer hard coating. The gums formed exhibit a long lasting effect of flavoring agent(s) and result in the domination of flavoring agents in the coating(s) over flavoring agent(s) in the core, thereby (a) avoiding problems of chemical or pharmaceutical incompatibility between an API in the core and flavoring agent(s) in the coating(s) and (b) achieving an increased control of the release of the API and of non-active excipients.
Owner:MCNEIL AB

Dual-curing coating and preparation method thereof

The invention discloses a dual-curing coating. The coating contains ultraviolet curing resin monomers, a low polymer, a photo-initiator, polymer resins, an adjuvant and an organic solvent. In the invention, the dual-curing coating is prepared by synergistic copolymerization of an ultraviolet curing coating system and a solvent-based polymer system. The preparation method of the coating comprises the following steps: firstly thermocuring, and then processing information layers and photocuring at the same time; or firstly photocuring, then processing the information layers, and finally heating with an oven or infrared-heating for further cross-linking curing. Therefore, the dual-curing coating has better comprehensive performances such as fast curing speed, small film-coating cure shrinkage and high crosslinking density so as to achieve the characteristics of chemical corrosion resistance, strong wear resistance, strong high temperature resistance, excellent flexibitity, excellent adhesive force and the like; and the coating can be used for laser anti-counterfeit marks of plastics, cosmetic preparations, ceramic materials, glass, paper, leather, wooden products and metal products as well as production of pigment preparations and the like.
Owner:SHANGHAI HONGDUN ANTI COUNTERFEIT MATERIAL

Method to form electrostatic discharge protection on flexible circuits

Techniques for preventing electrostatic discharge (ESD) and circuit noise are provided. More particularly, the present invention provides a method to prevent ESD damage during the assembly of computer disk commonly called a hard disk for memory applications. The coating mainly involves a ion-deposition process. Merely by way of example, the present invention is implemented by using filtered cathodic vacuum arc (FCVA) with a dissipative crystalline and / or amorphous carbon base thin film coating on a flexible circuit to drain the potential electrostatic charges during circuit assembly and interconnect processes, yet it would be recognized that the invention has a much broader range of applicability on any electronic apparatus that is susceptible to electrostatic damage and static noise.
Owner:MAGNECOMP

Anti-reflective, thermally insulated glazing articles

A laminated glass unit having at least two sheets of glass separated and bonded by a polymeric interlayer material, and further having multi-layer thin film coatings on each of the unbonded surfaces of the at least two glass sheets, is disclosed. Two or more of such laminated glass units can be utilized in various configurations to form an insulated glass unit. The thin films deposited on the unbonded glass surfaces have anti-reflective, iridescence-suppressing and solar control properties when suitable configurations, materials and layer thicknesses are chosen. The laminated glass unit and insulated glass units of the invention exhibit an excellent combination of low visible light reflectance and thermal insulating properties.
Owner:PILKINGTON NORTH AMERICA INC

Coated degradable chewing gum with improved shelf life and process for preparing same

A coated chewing gum element comprising about 25 to 99.9% by weight of a chewing gum centre comprising at least one environmentally degradable elastomeric or resinous polymer and about 0.1 to 75% by weight of an outer coating and processes for providing the chewing gum. The outer coating is a hard sugar or sugarless coating, a film coating or a soft coating. The application of an outer coating prevents degradation of the degradable polymers prior to chewing due to physical or chemical effects, thereby improving the shelf life of the environmentally degradable chewing gum. After chewing, the chewing gum will degrade in the environment and can be removed more readily than chewing gum based on non-degradable polymers.
Owner:FERTIN PHARMA AS

Cladded quartz sand fracturing support agent for oil production

The present invention relates to one kind of fracturing proppant for petroleum production and its production process. The proppant comprises quartzite grains and hardened thermoset resin film coating the surface of the quartzite grains. The proppant of the present invention has high breaking strength and low cost, and may be used to replace expensive haydite sand.
Owner:BEIJING RECHSAND SCI & TECH GRP

Low permeability airbag cushions having film coatings of extremely low thickness

Coated inflatable fabrics, more particularly airbags to which very low add-on amounts of coating have been applied, are provided which exhibit extremely low air permeability. The inventive inflatable fabrics are primarily for use in automotive restraint cushions that require low permeability characteristics (such as side curtain airbags). Traditionally, heavy, and thus expensive, coatings of compounds such as neoprene, silicones and the like, have been utilized to provide such required low permeability. The inventive fabric utilizes an inexpensive, very thin coating to provide such necessarily low permeability levels. Thus, the inventive coated inflatable airbag comprises a film laminated on at least a portion of the target fabric surface wherein the film possesses a tensile strength of at least 2,000 and an elongation at break of at least 180%. The film provides a low permeability airbag cushion exhibiting a leak-down time of at least 5 seconds wherein the film is present on the surface in an amount of at most 3.0 ounces per square yard of the fabric.
Owner:MILLIKEN & CO

Method and apparatus for applying aqueous coating to cooked foods

A cooked snack food or cooked edible core material, such as roasted nuts, or baked snack chips, while still hot from the cooking step, is tumbled and sprayed with an aqueous solution of a water-soluble, film-forming coating component, such as a maltodextrin. The tumbling and spraying is performed immediately after cooking so that latent heat from the cooked edible core material, reduces the moisture content of the applied aqueous solution to form a dry, thin film coating of the coating component on the edible core material. The need for a separate, subsequent drying step or forced air drying equipment to reduce the moisture content is eliminated by evaporative cooling of the hot cooked snacks and flashing of the applied aqueous coating solution. The dry, coated cooked snack may be cooled to obtain a snack food having a thin, uniform coating which enhances appearance, texture, taste and shelf life.
Owner:KRAFT FOODS GRP BRANDS LLC

Filtered cathodic-arc plasma source

A filtered cathodic-arc plasma source of lower plasma losses and higher output plasma current to input current efficiency is disclosed. Plasma filtering is accomplished in a right angle bend magnetic filter arranged to include the effects of at least three added magnetic coils located at the right angle bend of the filter path. These magnetic coils and other filter attributes, including an array of transverse fins and a magnetic cusp trap in the filter path, achieve desirable magnetic flux paths, lower plasma collision losses and reduced undesired particle output from the plasma filter. Multiple cathode sources, multiple plasma output ports, Larmour radius influence, equipotential magnetic flux lines and electron / ion interaction considerations are also included in the plasma source. Application of the plasma source to film coating processes is included.
Owner:THE UNITED STATES OF AMERICA AS REPRESETNED BY THE SEC OF THE AIR FORCE

Moisture barrier film coating composition, method and coated form

A dry moisture barrier film coating composition for forming a moisture barrier film coating for pharmaceutical tablets and the like comprises polyvinyl alcohol, soya lecithin, and optionally a flow aid, a colorant, and / or a suspending agent. A liquid coating solution or dispersion for forming a moisture barrier film coating for pharmaceutical tablets and the like comprises polyvinyl alcohol, soya lecithin, water, and optionally a flow aid, a colorant, and / or a suspending agent. A method of coating pharmaceutical tablets and the like with a moisture barrier film coating comprises forming a liquid coating solution or dispersion for forming a moisture barrier film coating for pharmaceutical tablets and the like comprising polyvinyl alcohol, soya lecithin, water, and optionally a flow aid, a colorant, and / or a suspending agent, applying the coating solution or dispersion onto the tablets to form a film coating on the tablets, and drying the film coating on the tablets.
Owner:BPSI HLDG LLC
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