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423 results about "Sustained Release Capsule" patented technology

The risk of these health problems can happen as soon as the first weeks of using this medicine (indomethacin sustained-release capsules) and may be greater with higher doses or with long-term use. Do not use this medicine (indomethacin sustained-release capsules) right before or after bypass heart surgery.

Memantine hydrochloride sustained-release capsule and preparation method thereof

The invention provides a preparation method of a memantine hydrochloride sustained-release preparation. According to the present invention, sustained-release pellets are obtained by sustained-release coating of drug-containing pellets containing memantine hydrochloride. The drug-containing pellets are obtained by extrusion spheronization or solution medicine-feeding or suspension medicine-feeding, and are nearly circular in shape. The shape and granularity-controllable drug-containing pellets are subjected to sustained-release coating and the thickness of the film formed by coating can also be controlled. The invention realizes the controllability of the coating film and the spherical pellets, and reproducibility of stability of releasing the memantine hydrochloride is controlled under the circumstance of guaranteeing nonoccurrence of crystal form of memantine hydrochloride. The preparation of the invention can provide sustained release in the form of a single dose within 24 hours. The drug penetrates and diffuses to the release medium through the film pores. Because the size is small, the medicine taking is less susceptible to foods and the efficacy is improved. The production method of the present invention is simple, is suitable for industrial production, and has a great application value.
Owner:SHANGHAI FOSUN PHARMA DEV CO LTD

Load-controllable hydrophobic pesticide sustained-release microcapsule and preparation method thereof

The invention discloses a load-controllable hydrophobic pesticide sustained-release microcapsule and a preparation method and applications thereof. The microcapsule comprises a core material and a wall material, wherein the wall material is prepared from hydroxyl acrylate polymers with carboxyl groups under the crosslinking of divalent metal ions, and the hydrophobic pesticide core material is fed into the microcapsule. The preparation method comprises the following steps of: firstly, dissolving a hydrophobic pesticide and hydroxyl acrylates so as to form a polymer solution; then, adding water into the polymer solution, and carrying out high-speed stirring on the obtained mixture so as to form an emulsion; and finally, adding a divalent metal ion solution into the emulsion so as to obtain a granular condensation product, and filtering and drying the obtained product. The size of the microcapsule can be flexibly controlled at 0.5-50 microns, and the mass of the core material accounts for 5-70% of the total weight of a sustained-release capsule. According to the sustained-release capsule disclosed by the invention, through adjusting parameters such as the compositions of the wall material, the solvent types, the ratio of the core material to the wall material, and the like, the effective loading of one or more hydrophobic pesticides can be realized, and the obtained drug-carrying microcapsule has an advantage that the drug-carrying capacity and the sustained-release performance are controllable, therefore, the preparation method is applicable to the preparation of multiple hydrophobic pesticide sustained-release microcapsules.
Owner:ZHONGKAI UNIV OF AGRI & ENG

Auxiliary composition and application thereof for low-temperature one-bath scouring and bleaching process of cotton textiles

ActiveCN102268814AAvoid affecting the effect of bleachingBleach smoothBleaching apparatusTextile printerSustained Release Capsule
The invention relates to an auxiliary agent composition used in a low temperature one-bath scouring and bleaching process for cotton textile and application thereof, belonging to the technical field of textile printing and dyeing. The auxiliary agent composition comprises, by weight, 10 to 15% of a hydrogen peroxide activator, 2 to 5% of low temperature activating catalyst sustained release capsule, 10 to 15% of a chelating agent, 30 to 40% of diatomite, 10 to 15% of a surfactant and 19 to 31% of a bulking agent. The invention also provides a low temperature one-bath scouring and bleaching process for cotton textile. The process comprises the steps of adding an effective amount of the auxiliary agent composition, hydrogen peroxide and caustic soda into cotton textile and carrying out scouring and bleaching at a temperature of 55 to 60 DEG C for 45 to 60 minutes. According to the invention, cooperative utilization of the auxiliary agent composition, hydrogen peroxide H2O2 and caustic soda enables the low temperature one-bath scouring and bleaching process in the invention to be realized and scouring and bleaching one-bath treatment at or below a temperature 60 DEG C to be carried out, and the effects of scouring and bleaching by using the process provided in the invention are identical with the whiteness and capillary effects of conventional high temperature alkali hydrogen peroxide one-bath process carried out at a temperature of 98 to 100 DEG C, or even at 130 DEG C.
Owner:义乌市中力工贸有限公司 +1

Levetiracetam slow release pellet capsule preparation and preparation method thereof

The invention relates to a levetiracetam slow release pellet capsule preparation and a preparation method thereof. The levetiracetam slow release pellet capsule preparation comprises the following components in percentage by mass: 50-70 percent of levetiracetam, 15-30 percent of blank pellet, 5-10 percent of hydroxypropylmethyl cellulose or polyvidone, 7-15 percent of ethylcellulose or acrylic resin, 1-8 percent of talc powder and 0.5-2 percent of cataloid. The preparation method comprises the following steps: coating levetiracetam fine powder on the blank pellet by a binding agent to be madeinto a medicine-contained pellet; coating an isolating layer on the medicine-contained pellet; coating a slow release coating film on the medicine-contained pellet coated with the isolating layer to prepare a slow release pellet; and mixing the slow release pellet, the talc powder and the cataloid and filling the mixture into a capsule. The levetiracetam is made into the slow release capsule preparation by a pellet and slow release technology, and the slow release preparation can stabilize blood medicine concentration, reduce the generating frequency and degree of the side effect and fundamentally solve the problems of great influence on a tablet by gastric pyloric sphincter and big differences of gastric emptying individuals.
Owner:天津药物研究院药业有限责任公司

Dexlansoprazole sustained-release capsule and preparation method thereof

The invention relates to a dexlansoprazole sustained-release capsule and a preparation method thereof. The capsule comprises two dexlansoprazole micropills, wherein the two micropills consist of hollow pill cores, active medicine layers, isolating coating layers and sustained-release coating layers. The dexlansoprazole sustained-release capsule provided by the invention can be released in the intestinal tract in position so as to persistently inhibit acid release.
Owner:BEIJING RED SUN PHARMA

Slowly released clamycin capsule

A slow-released clamycin capsule and its preparing process are disclosed. Said capsule is composed of the medicine pill as core with 0-10 mm in diameter and the isolating layer.
Owner:GUANGZHOU PUIS PHARMA FACTORY

Trimetazidine hydrochloride sustained-release capsule and preparation method thereof

The invention discloses a trimetazidine hydrochloride sustained-release capsule and a preparation method thereof, belonging to the technical field of medicines. The sustained-release capsule is prepared by filling sustained-release pellets containing trimetazidine in capsules, wherein the sustained-release pellets are a framework control preparation. The trimetazidine hydrochloride sustained-release capsule prepared by the preparation method is simple in process and low in cost. As the capsule is in a multiunit control release system of drug, the user does not need to worry about abrupt release of drug. Compared with preparations such as sustained release tablets, the trimetazidine hydrochloride sustained-release capsule is safe and reliable in medication and high in medication compliance.
Owner:万全万特制药(厦门)有限公司

Metformin hydrochloride sustained-release capsule and its preparation method

The invention relates to a metformin hydrochloride sustained-release capsule and its preparation method. The metformin hydrochloride sustained-release capsule is prepared by steps of coating a metformin hydrochloride granule sustained-release material and putting into an enteric capsule. In comparison with the prior art, sustained-release granules and enteric capsule filling technology are combined together to prepare the new dosage form of metformin hydrochloride sustained-release (enteric-coated) capsule. As the sustained-release granule coating and enteric capsule filing technology is adopted, metformin hydrochloride will not be disintegrated and will not stimulates gastric mucosa, and adverse reactions such as nausea, stomachache, diarrhoea and the like caused by medication can be avoided. Meanwhile, metformin hydrochloride will not be damaged by gastric juice, and bioavailability of metformin hydrochloride is raised. In addition, the product provided by the invention is also a sustained-release enteric-coated preparation. The medicine can be stably released in a body, effective plasma concentration is maintained for a long time, and toxic and side effect which might be caused by higher plasma concentration within a short time are avoided. The frequency for taking the medicine is reduced, and patient compliance is also raised.
Owner:BOSEN BIO PHARMA SHANXI PROVINCE

Dexlansoprazole sustained release capsule and preparation method thereof

The invention belongs to the technical field of pharmaceutical preparation and aims at improving bioavailability of dexlansoprazole in vivo. The dexlansoprazole sustained release capsule provided by the invention is hardly released in gastric acid, and can be disintegrated in intestines, and active ingredients are dissolved out, so that destruction of dexlansoprazole in the gastric acid is avoided; the dexlansoprazole sustained release capsule provided by the invention contains two different types of enteric micropelets, so that two-time dual drug release (DDR) is realized; in a process of preparing eudragit S100 aqueous dispersion, different amounts of alkaline substances are added, different mol numbers of carboxyls in polymers are neutralized, and an enteric-coating material is controlled to be dissolved at different pH values, so that two-time release is realized; besides, an aqueous dispersion coating is adopted, so that ethanol residue is effectively avoided.
Owner:SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES

Sustained-release capsule containing propiverine hydrochloride and preparation method of sustained-release capsule

The invention discloses a sustained-release capsule containing propiverine hydrochloride and a preparation method of the sustained-release capsule. The sustained-release capsule comprises sustained-release micropills and an empty capsule, wherein, the sustained-release micropills comprise pill cores containing drugs accounting for 75 to 97 percent and sustained-release coating layers accounting for 3 to 25 percent by weight percentage. The sustained-release capsule containing propiverine hydrochloride comprises hundreds of the sustained-release micropills with uniform particle sizes, and preparation errors or preparation defects of individual micropills cannot influence the drug release behavior of the whole preparation seriously, so that the sustained-release capsule is safer than a sustained-release tablet, the irritant activity to gastrointestinal tracts is smaller, plasma concentration is smoother, the bioavailability is higher, and the sustained-release capsule can continuously release the drugs for 24 hours if being taken for one time per day so as to treat overactive bladder. The preparation method of the sustained-release capsule prepares the pill cores containing the drugs in an extrusion and spheronization method or a drug added manner, adopts a fluidized bed to coat the sustained-release coating layers, achieves simple technology, and is easy to achieve industrialized mass production.
Owner:广州科的信医药技术有限公司

A novel enteron pharmaceutical preparation and its preparing method

The present invention relates to a novel digestive canal pharmaceutical preparation and its preparation method, the first contribution of the present invention is to give more choices to people in general oral administration preparations, wherein, oral administration preparations such as honey pill, micropill, concentration pill, water pill, gel preparation, cream, tablet, chewing tablet, powder agent, granule, capsule, slow release capsule etc. is convenient, capable of suitable for different consumption level people; the second contribution of the present invention is to upgrade the general oral administration preparations into stomach retention floating oral administration preparation by inducting corresponding supplementary, greatly prolonging medicine retain time in stomach, greatly increasing the local focal medicine effective concentrate in stomach, in order to short period of treatment, promote clinic effective rate and cure rate to provide necessary condition; the third contribution of the present invention is to upgrade the oral administration preparations and the stomach retention floating oral administration preparation into loading far infrared auxiliary therapeutic function oral administration preparation by inducting corresponding supplementary nanocrystallization, leading product curative effect to promote further.
Owner:丛繁滋
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