22813results about "Disinfectants" patented technology

Composite structures composed of a device as a core structure, being a medical device or article, and a porous polymeric coat and designed capable of encapsulating bioactive agents while retaining the activity of these agents are disclosed. Further disclosed are processes of preparing such composite structures.

A method for promoting the health of a plant comprises administering malic acid to the plant or the soil in an amount effective to recruit plant growth promoting rhizobacteria (PGPR) to the plant. Administration of malic acid promotes biofilm formation of PGPR on the plant's roots, thereby restricting entry of a foliar pathogen through stomatal pores present in the leaves. Another method for promoting the health of a plant comprises administering acetoin to the plant or the soil in an amount effective to increase pathogen resistance in aerial parts of the plant.

Antimicrobial compositions and methods are disclosed. The antimicrobial compositions are particularly useful in providing antimicrobial capability to a wide-range of medical devices. In one aspect the invention relates a UV curable antimicrobial coating comprising a UV curable composition comprising an oligomer, a momoner, and a photoinitiator which are together capable of forming a UV curable polymer composition. The compositions include rheology modifiers as necessary. The compositions also include antimicrobial agents, which may be selected from a wide array of agents. Representative antimicrobial agents include cetyl pyridium chloride, cetrimide, alexidine, chlorexidine diacetate, benzalkonium chloride, and o-phthalaldehyde.

The invention relates to an antibacterial composition, comprising an organic antibacterial component containing at least one pyrithione salt, a pyrithione complex or an adduct thereof, an aqueous solution containing one or more metal ions or its The inorganic antibacterial component of the complex aqueous solution or its nanometer metal hydrosol or its nanometer metal oxide hydrosol and its composition, and the mass ratio of the organic antibacterial component to the inorganic antibacterial component is 1:100-50:1, It also includes other auxiliary agents, and its mass percentage in the antibacterial composition described in the patent is 0.001-20%. The antibacterial composition of the present invention can form a nanoparticle film on the surface of base materials such as natural fabrics, non-woven fabrics, clothing, bedding, toiletries, household items, medical care supplies, and filter screens, and realize its antibacterial properties through the nanoparticle film. Antibacterial, anti-mite, deodorizing and self-cleaning functions. The antibacterial composition of the invention is safe to use and can be used in medical treatment and life to protect people's health.

The invention provide a class of chain-extended polysiloxane crosslinkers which comprises (1) at least two polysiloxane segments, wherein each pair of adjacent polysiloxane segments is linked by one divalent organic radical which includes at least one pendant hydrophilic group (hydroxyl and / or carboxyl groups) or at least one dangling hydrophilic polymer chain and a di-thioether linkage —S-DR-S— in which DR is a divalent organic radical; and (2) two terminal ethylenically unsaturated groups. The present invention is also related to a polymer comprising crosslinking units derived from chain-extended polysiloxane crosslinker of the invention and to ophthalmic lenses comprising such a polymer.

Aqueous well treatment fluid compositions with biocidal activity are disclosed comprising a polymer for modifying fluid viscosity in the aqueous fluid, an organic monocarboxylic peracid being present in an anti-microbial amount of about 1 ppm to about 1000 ppm, and a controlled amount of hydrogen peroxide also being present. Peracetic acid is the preferred peracid. The viscosity-modifying polymer in the aqueous well treatment fluid composition may serve to reduce friction in the fluid or increase fluid viscosity. A method of using such compositions is also disclosed.

The invention relates to a composition for killing virus and preventing influenza and a cold prevention plaster prepared by the composition. An aromatic traditional Chinese medicine volatile extract product and fragrant plant essential oil are used as effective components of the plaster; high-molecular colloid, which can be compatible with the effective components and has a stereo network structure, and an excipient are used to wrap the effective components to prepare a microcapsule; the microcapsule is used to coat on a matrix to prepare a tablet; a double faced adhesive tape is used to plaster the tablet at the position close to mouth and nose (such as collar, shoulder, chest and the like) so as to allow the effective components to slowly release at uniform speed. The plaster can be used to kill pathogen and virus in the air and enhance the immunity of upper respiratory tract, has an obvious effect of preventing influenza, and has a certain prevention effect for common cold, hand-foot-mouth disease, varicella, measles, epidemic encephalitis B, epidemic mumps, chronic respiratory tract diseases and the like. The plaster is convenient to use, has fragrant smell and is safe without side-effect.

The invention provides a pesticide emulsifiable concentrate preparation which comprises the following components by weight percent: 1-70 percent of pesticide active ingredients, 0-8 percent of stabilizer, 1-25 percent of cosolvent, 5-20 percent of emulsifier and the balance of plant source solvent, wherein the plant source solvent is one or more of alpha-pinene, D-limonene and Jatropha curcas oilmethyl. Compared with the prior art, the pesticide emulsifiable concentrate preparation does not contain any arene organic solvents or other non-environment-protection dissolving assistant, is friendly and safe for the environment, has high security for human and crops, favorable safety in the process of production, storage, transportation and use as well as better integrative preventing effect than that of a pesticide emulsifiable concentrate preparation prepared by applying arene solvents.

A method is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity derived from Bacillus sp. to produce peroxycarboxylic acids.

The invention provide a class of chain-extended polysiloxane crosslinkers which comprises (1) at least two polysiloxane segments, wherein each pair of adjacent polysiloxane segments is linked by one divalent organic radical which includes at least one pendant hydrophilic group (hydroxyl and / or carboxyl groups) or at least one dangling hydrophilic polymer chain and a di-thioether linkage —S-DR—S— in which DR is a divalent organic radical; and (2) two terminal ethylenically unsaturated groups. The present invention is also related to a polymer comprising crosslinking units derived from chain-extended polysiloxane crosslinker of the invention and to ophthalmic lenses comprising such a polymer.

The invention concerns the application of the fungal organism Pythium oligandrum as a strong mycoparasite in connection with the applicable inorganic or organic carrier of the efficient agens as a preparation for additional fertilization and for protection of plants against the originators of microbial diseases and as a preparation for the elimination of post-harvest losses and losses during storage of commodities coming from plant or animal production, including the preparation for the liquidation of wood-destroying fungi. The application of the preparation for the protection of plants against the originators of microbial diseases can also be performed in the form of aerial spraying.

The present invention provides novel microorganisms, compositions and methods of use thereof, for treating, inhibiting or preventing the developing of a plant pathogenic disease and for killing or inhibiting growth of a variety of pests or pathogens. Provided are compositions comprising a novel endophytic fungal organism effective to inhibit the growth of or kill pests and pathogenic microbes, including Ganoderma boninense. Invention compositions are especially useful in preventing and treating basal stem rot in the oil palm, and can be applied on or in the vicinity of the plant or used to sterilize the plant growth medium prior to or concurrent with plant growth therein. The disclosure further provides substantially purified polynucleotides and polypeptides encoded thereby, together with methods of using those products, for example for making transgenic organism.

Stable aqueous spore-containing chemical formulations having a low to medium viscosity profile are provided. The formulations comprise at least one spore in a mixture of water and at least one water miscible solvent, optionally at least one surfactant, optionally at least one stabilizer such as a metal salt, optionally at least one biocide, optionally at least one buffer, and optionally at least one chemical insecticide or fungicide or a mixture thereof. The formulations are particularly suitable as a seed coating and foliar spray. Methods of preparation as well as methods of treating a plant are also provided.

Disclosed herein are multi-component formulations for enzymatically producing aqueous solutions of peroxycarboxylic acids suitable for use in, e.g., disinfectant and / or bleaching applications. The multi-component peroxycarboxylic acid formulations comprise at least one carbohydrate esterase family 7 enzyme having perhydrolytic activity.

The present invention relates to a preservative or antimicrobial compositions which comprise low concentrations of botanical extracts, in synergistic combinations with alkanediols in a solvent system, optionally with fruit acids. Additionally, the present invention relates to a preservative or antimicrobial compositions which comprise a silver compound, an essential oil or individual constituent, one or more zinc salts, and one or more alkanediol. The compositions of the invention may be used in personal care products including wound care products or in veterinary use. Preferably, the compositions of the invention have little or no human-detectable fragrance.

Disclosed herein are multi-component peroxycarboxylic acid generation systems for enzymatically producing aqueous formulations of peroxycarboxylic acids suitable for use in, e.g., disinfectant and / or bleaching applications. The multi-component peroxycarboxylic acid generation systems comprise at least one carbohydrate esterase family 7 enzyme having perhydrolytic activity.

The invention relates to a composition for driving and killing mosquitoes. The composition is characterized by comprising the following substances by portions: 20 to 50 portions of natural essential oil, 10 to 35 portions of pyrethroid, 25 to 50 portions of solvent oil, 3 to 20 portions of surface active agent and 5 to 15 portions of antioxidant. The composition has the advantages of: (1) having no toxic side effect to body, having multiple action of driving mosquitoes, sterilizing and essence, being capable of reducing the cost of the product and bringing pleasant feeling to a user; (2) having different effective components with different action mechanism for target insects and also being capable of effectively retarding the drug resistance thereof; (3) having higher safety than chemosynthetic insecticide due to easy decomposition and low residue of the natural essential oil in natural environment; (4) having obvious control effect to mosquitoes, flies and cockroaches and being capable of effectively reducing the using amount of pyrethroid due to adding of the natural essential oil; and (5) having a certain action of restraining and killing various harmful bacterium such as golden staphylococcus aureus, shigella shigae and Pseudomonas aeruginosa due to adding of natural vegetable garlic oil.

Melt additive ionic and non-ionic surfactants to impart stable durable hydrophilicity to thermoplastic polymers or blends thereof.

A non-toxic antimicrobial surface sanitizer composition comprising a water-miscible alcohol, water, a weak acid and a multivalent cation (e.g., metal ion or metal compound). The composition may also include one or more of an emollient, oxidative agent, humectant, lubricant, plant-derived alkene, antimicrobial component or plant-derived essential oil. These compositions can be formulated as solutions for sanitizing hard surfaces such as countertops and floors, or as solutions / gels for application to animal skin.

In situ preparation of peracid-based removable antimicrobial coating compositions and their methods of use for controlling microorganisms at various loci are disclosed.

The present invention relates to shelf stable and / or less corrosive peroxycarboxylic acid antimicrobial compositions, including ready-to-use compositions. Shelf stable compositions can include defined ratios of hydrogen peroxide to peroxycarboxylic acid and / or hydrogen peroxide to protonated carboxylic acid, but need not include strong acid. Reduced corrosion compositions can include carboxylic acid and corrosion inhibitor at acid pH. Compositions of the invention can have advantageous activity against spores.

The invention relates to solids made of a porous crystalline metal-organic framework (MOF) loaded with at least one gas of biological interest, and to a method for preparing the same. The MOF solids of the present invention are capable of adsorbing and releasing in a controlled manner gases having a biological interest. They can be used in the pharmaceutical field and / or for applications in the cosmetic field. They can also be used in the food industry.

The invention belongs to the field of pesticides, and relates to a binary composition and an application thereof. The binary composition contains an active component a and an active component b, the active component a is a compound A, and the active component b is selected from compounds with insecticidal or bactericidal activity; and the compound A is a compound with the structural formula shown in the specification, and a weight part ratio of the active component a to the active component b is 100:1-1:100. The composition has the advantages of synergy, control spectrum enlargement and the like, and can be used for controlling pests and pest mites, and plant diseases induced by various fungi, bacteria, threadworms and viruses.

The invention relates to zeolite-based composite antibiotic material and a process for preparation, the material of which is low-silicon-aluminum-ratio zeolite molecular sieve which is used as the base and carrier, the outer surface of the invention is covered with nanometer titanium dioxide particles, and the pore passages or cages of the invention are provided with metallic ions which have antibiotic effect. The process for preparing the material is that low-silicon-aluminum-ratio zeolite molecular sieve absorbs organic amine to saturation and then is dipped into soluble titanates for roasting to generate nanometer titanium dioxide on the outer surface of zeolite, and metallic ions such as silver ions, copper ions and the like which have antibiotic effect are exchanged to zeolite by the ion exchange process to form the novel composite antibiotic material. The composite antibiotic material not only has the antibiotic effect of metallic ions but also has the antibiotic effect of nanometer titanium dioxide, and thereby the antibiotic effect is strengthened. The composite antibiotic material is easy to prepare, low in price and suitable for industrial production.

An antimicrobial composition, including a synergistic combination of three or more agents as an active ingredient. Each of the three or more potentiating agents can be selected from the following types of compounds: sequestering agents, carbohydrates and carbohydrate derivatives, terpenes / terpenoids, amines and amine derivatives, plant-derived oils, sulfonates, phenols, fatty acids, dibenzofuran derivatives, organo isothiocyanates, quaternary ammonium compounds, peroxides and peroxide donors, and macrolide polyenes. At least two of the three or more potentiating agents are not of the same type of compound. The antimicrobial composition can have strong antimicrobial efficacy in control of microorganisms having resistance to currently used antimicrobials.