Inorganic Particle Patents (Class 424/421)
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Patent number: 6254880Abstract: A deer repellent formulation and method for warding off a deer from a shrub or plant. The formulation is an admixture of water, eggs, adhesive and animal blood. Hot peppers can also be added to the formula. The formulation can be applied to a support medium such as clay or a length of rope and then associated with the vegetation to be protected.Type: GrantFiled: June 2, 1999Date of Patent: July 3, 2001Inventor: James Messina
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Patent number: 6251417Abstract: An inorganic antimicrobial composition has the formula AB2O4, wherein A and B are low temperature far infrared irradiating metals, A is Mg, Zn, Mn, Ni, Co, or Fe(II), B is Al, Cr(III), Mn(III) or Fe(III), and O is oxygen. An antimicrobial article is made by coating said composition on a porous honeycomb-shaped substrate. An organic antimicrobial article is made from a quarternary ammonium salt coated on a porous honeycomb-shaped substrate. Processes of making the antimicrobial articles are provided.Type: GrantFiled: July 19, 1999Date of Patent: June 26, 2001Inventors: Yen-Kuen Shiau, Chung-Hsun Wu
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Patent number: 6224891Abstract: This invention relates to the treatment of diarrhea and related conditions caused by pathogenic E. coli infection. More specifically, this invention is drawn to the unexpected discovery that by administering a composition which binds and removes the shiga like toxins (SLT) produced by pathogenic E. coli whenever an antibiotic is administered, improved treatment is provided. Novel compositions containing both antibiotic and toxin binding composition and methods of treatment which use simultaneous administration toxin binding composition whenever antibiotic is administered are provided. These compositions and methods kill the enteric E. coli organisms which produce the conditions and neutralize the SLT produced by the organisms and/or released from the organisms when they are killed. Thus, these compositions and methods are better able to ameliorate the symptoms of the infection and inhibit progression of this infection into hemolytic uremic syndrome (HUS) than conventional treatment.Type: GrantFiled: February 23, 1999Date of Patent: May 1, 2001Assignee: Synsorb Biotech, Inc.Inventors: David John Rafter, Robert Murray Ratcliffe, Bradley G. Thompson, Glen D. Armstrong
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Patent number: 6221375Abstract: A pesticidal or herbicidal composition in particulate form which comprises composite particles. Each of said particles contains a core of an inert substance having a pesticidal herbicide associated therewith and a coating of an electrically resistive material around the core. The particles may also include a second pesticidal material adhering to the electrically resistive coating. The particles carry an electrostatic charge.Type: GrantFiled: July 21, 1998Date of Patent: April 24, 2001Assignee: University of SouthamptonInventor: Philip Edwin Howse
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Patent number: 6217892Abstract: A regenerative water treatment composition and a process of making a regenerative water treatment composition by retaining a first bacteria killing material such as a zinc in fluid proximity with a second bacteria killing material such as silver chloride for insitu killing of bacteria to allow the silver chloride to continue to kill or damage bacteria that comes into contact with the silver chloride while the zinc carries away the dead bacteria.Type: GrantFiled: October 24, 1997Date of Patent: April 17, 2001Inventor: Joseph A. King
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Patent number: 6165482Abstract: A composition for treating the gastrointestinal tract comprising a porous insoluble absorbent in which the pores of the insoluble absorbent are clogged by a coating material which causes the insoluble absorbent to adhere to the gastrointestinal lining. Active ingredients, including antacids, antibiotics, antibacterial agents, platelet inhibitors, antispasmodics, and soporifics, can be mixed with or absorbed into the composition.Type: GrantFiled: January 12, 1998Date of Patent: December 26, 2000Inventor: Georges Serge Grimberg
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Patent number: 6165485Abstract: A bentonite based organoclay, when mixed with a biocidal quaternary amine containing a benzyl molecule within its structure, acts as a reasonably effective biocide.When this organoclay is further treated with iodine and iodide compounds, its efficiency is greatly enhanced.Type: GrantFiled: July 28, 1998Date of Patent: December 26, 2000Assignee: Biomin, Inc.Inventor: George Alther
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Patent number: 6156327Abstract: Disclosed are horticultural substrates coated with a particulate membrane and a method for controlling pests and providing enhanced horticultural effect by applying a particulate membrane to the surface of the horticultural substrate.Type: GrantFiled: November 18, 1997Date of Patent: December 5, 2000Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of AgricultureInventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
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Patent number: 6156329Abstract: Spent silver catalysts, from which the recoverable silver has already been stripped, was discovered to be useful for controlling microorganisms such as bacteria and fungi, including microorganisms in fluids such as water, or on surfaces to which coatings containing the stripped, spent silver catalysts are applied, and also in and on products or substrates in which the stripped, spent silver catalysts are incorporated.Type: GrantFiled: December 14, 1998Date of Patent: December 5, 2000Assignee: Ames Goldsmith CorporationInventor: Ronald F. Davies
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Patent number: 6149843Abstract: Microcapsules containing a biologically active material which is sensitive to ultraviolet light are prepared which contain an ultraviolet light protectant selected from titanium dioxide, zinc oxide and mixtures thereof, suspended and thoroughly dispersed in a liquid.Type: GrantFiled: July 22, 1998Date of Patent: November 21, 2000Assignee: Zeneca LimitedInventors: Herbert B. Scher, Jin Ling Chen
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Patent number: 6143312Abstract: Disclosed is a water-floating microbial pesticide comprising a microorganism, a water-in-oil type surfactant, oil, and powder having a low bulk specific gravity. Also disclosed are a method for producing the water-floating microbial pesticide and a method for using the water-floating microbial pesticide.Type: GrantFiled: August 25, 1998Date of Patent: November 7, 2000Assignee: Japan Tobacco Inc.Inventors: Masatoshi Gohbara, Hiroshi Tsukamoto
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Patent number: 6143318Abstract: There is provided an antimicrobial composition for combatting infections. The material is a controlled release glass having two or more agents selected from the group consisting of metals, selenium and boron. Preferably the agents are selected from the group consisting of copper, silver, magnesium, zinc, cerium,consisting of copper, silver, magnesium, zinc, cerium, manganese bismuth, selenium and boron. The combinations of copper and silver and of copper and zinc are particularly preferred and exhibit synergist activity. The antimicrobial composition is effective against infections due to Proteus spp.Type: GrantFiled: August 6, 1997Date of Patent: November 7, 2000Assignee: Giltech LimitedInventors: Thomas Gilchrist, David Michael Healy
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Patent number: 6139864Abstract: Sugar alcohol mixtures are used as antimicrobially active compounds.Type: GrantFiled: October 20, 1998Date of Patent: October 31, 2000Assignee: Sudzucker AktiengesellschaftInventors: Tillmann Durr, Bodo Fritzsching, Michael Klingeberg, Jorg Kowalczyk, Gunhild Kozianowski, Markwart Kunz, Knut M. Rapp, Peter J. Strater
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Patent number: 6106853Abstract: Processes for controlling pollution by: (a) devolatizing vapor phase chemical pollutants (VP's) found in effluents and other bodies and streams of gases and liquids, and (b) stabilizing substrates from which the VP's are released. The offending VP's are converted to less offensive or inoffensive materials by interaction with an appropriately formulated treating agent (VTA/C) containing a primary halogen and at least one additional ingredient selected from the following classes of constituents (optional if bromine is the primary halogen and otherwise required): oligodynamically active metals, cohalogens, adjuncts, and facilitators. The major constituent(s) may be supplied as such, or a source of the constituent may be provided. Actinic radiation can be employed to promote reactions between the VP and the VTA/C, which is often formulated as an aqueous scrubbing medium.Type: GrantFiled: March 20, 1996Date of Patent: August 22, 2000Inventors: James P. Cox, Robert W. Duffy Cox
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Patent number: 6077522Abstract: Microcapsules containing a biologically active material which is sensitive to ultraviolet light are prepared which contain an ultraviolet light protectant selected from titanium dioxide, zinc oxide and mixtures thereof, suspended and thoroughly dispersed in a liquid.Type: GrantFiled: July 23, 1998Date of Patent: June 20, 2000Assignee: Zeneca LimitedInventors: Herbert B. Scher, Jin Ling Chen
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Patent number: 6051246Abstract: An inorganic anticmirobial composition has the the formula AB.sub.2 O.sub.4 wherein A and B are low temperature far infrared irradiating metals, A is Mg, Zn, Mn, Ni, Co, or Fe(II), B is Al, Cr(III), Mn(III) or Fe(III), and O is oxygen. An antimicrobial article is made by coating said composition on a porous honeycomb-shaped substrate. An organic antimicrobal article is made from a quarternary ammonium salt coated on a porous honeycomb-shaped substrate. Processes of making the antimicrobial articles are provided.Type: GrantFiled: March 25, 1998Date of Patent: April 18, 2000Assignee: Parker Holding Services Corp.Inventors: Yen-Kuen Shiau, Chung-Hsun Wu
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Patent number: 6030632Abstract: An antimicrobial material comprising an antimicrobial metallic material and a biguanide polymer reacted with a crosslinker to form an adduct is described. Both freestanding antimicrobial materials and antimicrobial films are provided. The antimicrobial material does not release biocidal levels of leachables into a contacting solution.Type: GrantFiled: September 11, 1998Date of Patent: February 29, 2000Assignee: BioPolymerix and Surfacine Development CompanyInventors: Samuel P. Sawan, Sundar Subramanyam, Alexander Yurkovetskiy
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Patent number: 6027740Abstract: Disclosed is a method for protecting surfaces from arthropod infestation which involves treating the surface with an effective amount of finely divided calcined kaolins, hydrophobic calcined kaolins, hydrous kaolins, hydrophobic hydrous kaolins, hydrophobic calcium carbonates, calcium carbonates or mixtures thereof.Type: GrantFiled: November 18, 1997Date of Patent: February 22, 2000Assignee: Engelhard CorporationInventors: Gary J. Puterka, Dennis G. Sekutowski, David Michael Glenn
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Patent number: 6017553Abstract: Anti-microbial coatings and method of forming same on medical devices are provided. The coatings are preferably formed by depositing an anti-microbial, biocompatible metal by vapor deposition techniques to produce atomic disorder in the coating such that a sustained release of metal ions sufficient to produce an anti-microbial effect is achieved. Preferred deposition conditions to achieve atomic disorder include a lower than normal substrate temperature, and one or more of a higher than normal working gas pressure and a lower than normal angle of incidence of coating flux. Anti-microbial powders formed by vapor deposition or altered by mechanical working to produce atomic disorder are also provided. Novel anti-microbial silver materials are defined, characterized by having a positive rest potential, a T.sub.rec /T.sub.m less than 0.33, and a grain size less than 200 nm.Type: GrantFiled: June 2, 1995Date of Patent: January 25, 2000Assignee: Westaim Technologies, Inc.Inventors: Robert Edward Burrell, Larry Roy Morris, Prasad Shrikrishna Apte, Sudhindra Bharat Sant, Kashmir Singh Gill
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Patent number: 6004569Abstract: A pesticide and a method of using the pesticide to kill invertebrates, especially insects, arachnids and larvae. The method is to prepare a mixture of a carrier with the pesticide and apply the mixture to the insects, arachnids and larvae and their habitat. The pesticide is a neurotransmitter affector utilizing octopamine receptor sites in the insects, arachnids and larvae. The affector agent is a chemical having a six membered carbon ring having substituted thereon at least one oxygenated functional group. The affector agent is a chemical component of a plant essential oil and is naturally occurring. Deposition of the chemicals of the present invention on a surface provides residual toxicity for up to 30 days. Various carriers for the affector agent are disclosed. The chemicals of the present invention deter feeding of insects, arachnids and larvae and also retard growth of the larvae of the insects and arachnids.Type: GrantFiled: June 6, 1997Date of Patent: December 21, 1999Assignee: Ecosmart Technologies, Inc.Inventors: Steven M. Bessette, Myron A. Beigler
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Patent number: 6001158Abstract: A method has been discovered for controlling bacterial growth using a dry biocide. Tetra-kis-hydroxymethyl-phosphonium sulfate (THPS) is adsorbed on a solid, particulate substrate through a spraying technique. The THPS in a dry form eliminates or reduces risks involved in handling and shipping the normally liquid THPS.Type: GrantFiled: February 18, 1999Date of Patent: December 14, 1999Assignee: Baker Hughes IncorporatedInventors: Eugene A. Elphingstone, Frank B. Woodworth
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Patent number: 5985301Abstract: A production process of cellulose fiber is characterized in that tertiary amine N-oxide is used as a solvent for pulp, and a silver-based antibacterial agent and optionally magnetized mineral ore powder are added, followed by solvent-spinning. The cellulose fiber exhibits an excellent long lasting antibacterial effect and serves preferably as medical products such as bandage, gauze, and surgical robes.Type: GrantFiled: February 11, 1998Date of Patent: November 16, 1999Assignees: Kenji Nakamura, Koji NakamuraInventors: Kenji Nakamura, Koji Nakamura
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Patent number: 5961843Abstract: An antimicrobial solid material having a satisfactory antimicrobial activity for a long term against sewage in any form of circulating, static and flowing waters or contacting portions thereof and a utilizing method thereof are provided. An antimicrobial solid material as one embodiment of the present invention comprises both of an antimicrobial metal ion and an antimicrobial metal in a metal state. In general, it is believed that antimicrobial metal ions have a potent antimicrobial effect when they exist in a liquid to be treated with a certain concentration or more, but they are rapidly released and exhausted so that their antimicrobial effects cannot last long. On the other hand, it is believed that the antimicrobial metal in a metal state does not have a prompt effect, but exhibits a certain bacteriostatic and fungistatic effect continuously for a long term.Type: GrantFiled: April 3, 1997Date of Patent: October 5, 1999Assignee: Toto Ltd.Inventors: Makoto Hayakawa, Toshiya Watanabe, Tamon Kimura, Mitsuyoshi Kanno, Keiichiro Norimoto
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Patent number: 5958438Abstract: The invention relates to a Bordeaux mixture in which virtually all of the copper is in the form of brochantite and which, in dry form, contains not more than 20% by weight of bassanite.The absence of cupric complexes other than brochantite and a small amount of bassanite in the dry product makes it possible to avoid the drawbacks of standard Bordeaux mixtures.Type: GrantFiled: October 3, 1996Date of Patent: September 28, 1999Assignee: Elf Atochem Agri S.A.Inventors: Michael Courtade, Georges Ramel
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Patent number: 5958439Abstract: A composition containing, as active ingredient, one or more water soluble plant protection active materials and further containing an effective amount of one or more polyalkoxylated amidoamines of average formula (1) or (2), wherein all R.sup.1, which are the same or different, are a straight or branched C.sub.2 -C.sub.22 alkyl or alkenyl hydrocarbon group, cycloalkyl or alkylaryl, all R.sup.2, which are the same or different, are hydrogen or a C.sub.1 -C.sub.4 alkyl radical, and p, q, r, s and t, which are the same or different, are integers that can be zero, such that p+q is 1-20 and r+s+t is 1-20. Applications of said composition as a herbicide, a fungicide or a fertilizer are also described.Type: GrantFiled: January 30, 1998Date of Patent: September 28, 1999Assignee: Rhodia ChimieInventor: Isabelle Gubelmann
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Patent number: 5958440Abstract: Anti-microbial coatings and method of forming same on medical devices are provided. The coatings are preferably formed by depositing an anti-microbial, biocompatible metal by vapour deposition techniques to produce atomic disorder in the coating such that a sustained release of metal ions sufficient to produce an anti-microbial effect is achieved. Preferred deposition conditions to achieve atomic disorder include a lower than normal substrate temperature, and one or more of a higher than normal working gas pressure and a lower than normal angle of incidence of coating flux. Anti-microbial powders formed by vapour deposition or altered by mechanical working to produce atomic disorder are also provided. Novel anti-microbial silver materials are defined, characterized by having a positive rest potential, a T.sub.rec /T.sub.m less than 0.33, and a grain size less than 200 nm.Type: GrantFiled: November 18, 1993Date of Patent: September 28, 1999Assignee: Westaim Technologies, Inc.Inventors: Robert Edward Burrell, Larry Roy Morris, Prasad Shrikrishna Apte, Sudhindra Bharat Sant, Kashmir Singh Gill
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Patent number: 5955094Abstract: Intercalates formed by contacting an activated layered material, e.g., an activated phyllosilicate, with an intercalant pesticide to intercalate an intercalant pesticide between adjacent platelets of the layered material is disclosed. Sufficient intercalant pesticide is sorbed between adjacent platelets to expand the adjacent platelets to a spacing of at least about 5 .ANG. (as measured after water removal to a maximum of 5% by weight water) up to about 100 .ANG., and preferably in the range of about 10 to about 45 .ANG., so that, if desired, the intercalate can be exfoliated into individual platelets. The intercalate can be combined with an organic liquid to form a viscous composition for delivery of a pesticide compound. Alternatively, the intercalate can be exfoliated prior to combination with the organic liquid. The intercalated complex also can be admixed with solid particles to provide a granular, dust, or wettable powder pesticide composition.Type: GrantFiled: November 4, 1997Date of Patent: September 21, 1999Assignee: Amcol International CorporationInventors: Gary W. Beall, Semeon Tsipursky, Katherine R. Turk
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Patent number: 5945113Abstract: A readily, water-dispersible pesticide formulation in the form of a thick paste containing 1 to 80% by weight of the pesticide, 0.30 to 2.0% by weight of a micropore-generating agent and 30 to 50% by weight of effervescent agents the percentages being based on the total weight of the formulation.Type: GrantFiled: September 26, 1996Date of Patent: August 31, 1999Assignee: Hoechst Marion RousselInventors: Colette Meinard, Jean-Claude Suglia
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Patent number: 5945114Abstract: The water dispersible granule of the present invention is obtained by mixing a pesticide having a melting point of not more than 70.degree. C., a calcined product of precipitated hydrated silicon dioxide and a surface active agent, and granulating the resulting mixture by the wet granulation method or compaction method. This water dispersible granule is an excellent formulation of which the physical properties such as disintegrability-in-water, dispersibility, suspensibility, storage stability, etc. are good, and which is free from dust-scattering and is capable of being measured by volume.Type: GrantFiled: May 8, 1992Date of Patent: August 31, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Masao Ogawa, Toshiro Ohtsubo, Shigenori Tsuda
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Patent number: 5935608Abstract: An antibacterial titania comprising a titania to which ions of an antibacterial metal are adhered, wherein the antibacterial metal is silver; and the antibacterial titania further contains chlorine at a Cl/Ag molar ratio in a range of from 2.8 to 7.2. A process for producing an antibacterial titania which comprises the steps of: (1) incorporating a salt of an antibacterial metal into a slurry of metatitanic acid to adhere ions of the antibacterial metal to titania in the metatitanic acid slurry; and (2) adding a source of chlorine ions to the slurry, wherein the antibacterial metal is silver.Type: GrantFiled: April 15, 1997Date of Patent: August 10, 1999Assignee: Nittetsu Mining Co., Ltd.Inventors: Hideki Fujikawa, Katsuyuki Tanabe
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Patent number: 5928652Abstract: The invention relates to a binder composition comprising:(i) at least 20% by weight, relative to the total weight of the binder composition, of at least one ester which is liquid at room temperature comprising at least two hydrocarbon chains, each hydrocarbon chain independently containing at least 10 carbon atoms, the ester containing no hydroxyl groups and having a wettability ranging from 30 seconds to 10 minutes,(ii) the possible difference to 100% by weight, relative to the total weight of the binder composition, of at least one fatty substance which is compatible with the ester, in an anhydrous composition in powder form comprising at least one pulverulent compound,and its use as an agent for aiding the dispersion of the anhydrous composition in powder form and/or for improving the solidity and/or strength of an anhydrous composition in compact powder form.Type: GrantFiled: February 28, 1997Date of Patent: July 27, 1999Assignee: L'OrealInventor: Sophie Bodelin-LeComte
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Patent number: 5925367Abstract: A composition for controlling harmful insects and representatives of the order Acarina, containing as biologically active components a) a substance that modifies the behavior of the pests and b) at least one pesticidally active compound, wherein the biologically active components are contained in a flowable or viscous non-hardening matrix that is resistant to water and weather, is protected against light and is suitable for distribution in the form of droplets or droplet-like units or spots that adhere to a substrate, by means of which matrix the behavior-modifying substance is protected against UV radiation and from which it is slowly released in a biologically effective amount over a prolonged period, and wherein the pesticidally active compound can be taken up in a pesticidally effective amount from the surface of the droplets or droplet-like units or spots by the pests to be controlled; as well as a method of controlling the said pests, especially plant-destructive insects.Type: GrantFiled: January 19, 1995Date of Patent: July 20, 1999Assignee: Ciba-Geigy CorporationInventors: Max Angst, Fran.cedilla.ois Gugumus, Gunther Rist, Manfred Vogt, Jean Rody
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Patent number: 5925368Abstract: A method and device are disclosed which preventing the decay and deterioration of wooden objects caused by pests by using a controlled release device. This controlled release device utilizes polymers which incorporate pesticides. In the disclosed method, the controlled release device is placed in contact with the wood of the wooden object. The pesticide is gradually released from the device and absorbed into the wood structure. The pesticide absorbed by the wood creates a barrier or an exclusion zone to penetration by inserts. The controlled release device maintains a minimal effective level of pesticide in the barrier or exclusion zone for a predetermined period of time.Type: GrantFiled: June 7, 1995Date of Patent: July 20, 1999Assignee: Battelle Memorial InstituteInventors: Peter Van Voris, W. Eugene Skiens, Frederick G. Burton, Dominic A. Cataldo
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Patent number: 5902596Abstract: Controlled release compositions of matter are disclosed comprising complexes for treating a population of one or more aquatic organisms in a column of water. The complexes comprise at least one system wherein the system comprises at least one bioactive agent as a component selected for treating a population of aquatic organisms, at least one carrier component, and at least one coating component for regulating the controlled release rate and release profile of the bioactive agent in water or at least one bioactive agent and one joint-function component that can serve as both a carrier and coating to regulate the controlled release rate and release profile of the bioactive agent in water, with or without optional binder components and/or additional formulation materials. The components are selected to sink or float so that the complexes will permeate and/or remain in any planar or volumetric segment of a water column for a period of time that is sufficient to effectively treat a population of aquatic organisms.Type: GrantFiled: September 29, 1997Date of Patent: May 11, 1999Assignee: Lee County Mosquito Control DistrictInventor: Richard Levy
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Patent number: 5888528Abstract: A powder for sustained release of a gas including a hydrophilic core, a hydrophobic layer on an outer surface of the hydrophilic core, and particles in contact with the hydrophobic layer. The hydrophobic layer contains an acid releasing agent. The particles contain an anhydrous material capable of binding with water. The core, the particles, and the hydrophobic layer are substantially free of water, and the core is capable of generating and releasing a gas after hydrolysis of the acid releasing agent.Type: GrantFiled: May 19, 1997Date of Patent: March 30, 1999Assignee: Bernard Technologies, Inc.Inventors: Stephen T. Wellinghoff, Sumner A. Barenberg, Hong Dixon, Joel J. Kampa
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Patent number: 5888526Abstract: The present invention is to provide a fibrous material containing an antibacterial antifungal agent consisting of specific metal salt of organic compound effective for both antibacterial and antifungal functions and various articles containing the same fibrous material. The inclusion of the antibacterial antifungal agent consisting of specific metal salt of organic compound in fibrous materials allows production of fibrous materials having extremely high antibacterial antifungal activity. Various articles containing the fibrous materials have found to exhibit excellent antibacterial antifungal effects.Type: GrantFiled: April 3, 1997Date of Patent: March 30, 1999Assignee: Mitsubishi Paper Mills LimitedInventors: Yasuo Tsubai, Mitsuo Yoshida, Eisuke Yamaya
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Patent number: 5885603Abstract: This invention relates to novel biopesticidal compositions comprising an active insecticidal ingredient selected from insecticidal bacteria and viruses such as B. thuringiensis crystal protein or spores or mixtures thereof and baculoviruses such as nuclear polyhedrosis viruses, granulosis viruses and non-occluded viruses; a polymer; and an inorganic light blocking agent wherein the light blocking agent protects the active ingredient from both ultraviolet light and sunlight and the polymer forms a matrix in which the active ingredient and light blocking agent are dispersed therein. Methods for producing the biopesticidal compositions and methods of controlling insects are also included within the scope of the invention.Type: GrantFiled: August 7, 1997Date of Patent: March 23, 1999Assignee: Novartis CorporationInventors: Jeffrey D. Fowler, Benjamin E. Feinstein
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Patent number: 5885598Abstract: Insecticidal compositions which have an active content of buprofezin (I) ##STR1## in combination with insect-pathogenic fungi.Type: GrantFiled: August 10, 1995Date of Patent: March 23, 1999Assignee: Hoechst Schering Agr Evo GmbHInventors: Werner Knauf, Esperanza Morales
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Patent number: 5885605Abstract: Controlled release compositions of matter are disclosed comprising complexes for treating a population of one or more aquatic organisms in a column of water. The complexes comprise at least one system wherein the system comprises at least one bioactive agent as a component selected for treating a population of aquatic organisms, at least one carrier component, and at least one coating component for regulating the controlled release rate and release profile of the bioactive agent in water or at least one bioactive agent and one joint-function component that can serve as both a carrier and coating to regulate the controlled. release rate and release profile of the bioactive agent in water, with or without optional binder components and/or additional formulation materials.Type: GrantFiled: September 2, 1997Date of Patent: March 23, 1999Assignee: Lee County Mosquito Control DistrictInventor: Richard Levy
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Patent number: 5882689Abstract: This invention provides a method for controlling soilborne fungal disease in cultivated field plants such as a peanut crop. Field crop soil is treated with a free-flowing granular fungicide composition which can be applied by aerial means with minimal settling on plant foliage. The granular fungicide composition comprises ammonium bicarbonate and a solid surfactant ingredient, and is effective against soilborne fungi such as a Sclerotinia, Rhizoctonia, Pythium, Fusarium, Phytophthora or Verticillium species.Type: GrantFiled: December 23, 1997Date of Patent: March 16, 1999Assignee: Church & Dwight Co., Inc.Inventors: M. Steven Lajoie, Carl E. Henry
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Patent number: 5866247Abstract: An insulator material made from rice husks is provided for producing a bulk insulator, characterized by a density in the range from 200 through 250 kg/m.sup.3 in the packaged condition. A method for the manufacture of insulator material from rice husks as well as method for producing a bulk insulator from rice husks are also provided.Type: GrantFiled: February 28, 1997Date of Patent: February 2, 1999Assignee: Frank ZiechInventors: Carsten Klatt, Frank Ziech
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Patent number: 5858384Abstract: Controlled release compositions of matter are disclosed comprising complexes for treating a population of one or more aquatic organisms in a column of water. The complexes comprise at least one system wherein the system comprises at least one bioactive agent as a component selected for treating a population of aquatic organisms, at least one carrier component, and at least one coating component for regulating the controlled release rate and release profile of the bioactive agent in water or at least one bioactive agent and one joint-function component that can serve as both a carrier and coating to regulate the controlled release rate and release profile of the bioactive agent in water, with or without optional binder components and/or additional formulation materials. The components are selected to sink or float so that the complexes will permeate and/or remain in any planar or volumetric segment of a water column for a period of time that is sufficient to effectively treat a population of aquatic organisms.Type: GrantFiled: August 21, 1997Date of Patent: January 12, 1999Assignee: Lee County Mosquito Control DistrictInventor: Richard Levy
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Patent number: 5855899Abstract: A biocidal material comprises a biocide immobilized in a porous inorganic polymer network such as a sol-gel matrix. The polymer may be coated on an inorganic support. The material can be used for inhibiting microbial growth in an aqueous medium, e.g., the wash solution of a photoprocessing system. The material can be housed in a flow-through container.Type: GrantFiled: June 26, 1997Date of Patent: January 5, 1999Assignee: Eastman Kodak CompanyInventors: Gregory Nigel Batts, Karen Leeming, Christopher Peter Moore, Danielle Wettling
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Patent number: 5849319Abstract: Spent silver catalysts, from which the recoverable silver has already been stripped, was discovered to be useful for controlling microorganisms such as bacteria and fungi, including microorganisms in fluids such as water, or on surfaces to which coatings containing the stripped, spent silver catalysts are applied, and also in and on products in which the stripped, spent silver catalysts are incorporated.Type: GrantFiled: October 22, 1996Date of Patent: December 15, 1998Assignee: Ames Goldsmith Corp.Inventor: Ronald F. Davies
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Patent number: 5849311Abstract: An antimicrobial material is described which can be used to form on the surface on a substrate a non-leaching antimicrobial coating or layer which kills microorganisms on contact. The non-leaching antimicrobial coating or layer is a unique combination of an organic matrix immobilized on the surface of the substrate to having biocidal metallic materials non-leachably associated with the matrix. When a microorganism contacts the coating or layer, the biocidal metallic material is transferred to the microorganism in amounts sufficient to kill it.Type: GrantFiled: October 28, 1996Date of Patent: December 15, 1998Assignees: BioPolymerix, Inc., Surfacine Development Company, LLCInventors: Samuel P. Sawan, Tadmor Shalon, Sundar Subramanyam, Alexander Yurkovetskiy
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Patent number: 5846554Abstract: Microcapsules containing a biologically active material which is sensitive to ultraviolet light are prepared which contain an ultraviolet light protectant selected from titanium dioxide, zinc oxide and mixtures thereof, suspended and thoroughly dispersed in a liquid.Type: GrantFiled: April 27, 1995Date of Patent: December 8, 1998Assignee: Zeneca LimitedInventors: Herbert B. Scher, Jin Ling Chen
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Organic/inorganic gels for delivering controlled quantities of active compounds in aqueous solutions
Patent number: 5846555Abstract: The invention concerns a composite gel comprising an inorganic matrix containing a fibrous inorganic polymer in which an active organic compound is dispersed.The invention also concerns a device comprising the gel and a process for delivering a controlled quantity of active organic compound in an aqueous solution.The invention applies to the prevention of biological growth in aqueous solutions used domestically, agriculturally or industrially, in particular in the solutions used in photographic processing.Type: GrantFiled: September 5, 1996Date of Patent: December 8, 1998Assignee: Eastman Kodak CompanyInventors: Olivier Jean Christian Poncelet, Danielle Marie Henriette Wettling, Jeannine Rigola -
Patent number: 5837275Abstract: Anti-microbial coatings and method of forming same on medical devices are provided. The coatings are preferably formed by depositing an anti-microbial, biocompatible metal by vapor deposition techniques to produce atomic disorder in the coating such that a sustained release of metal ions sufficient to produce an anti-microbial effect is achieved. Preferred deposition conditions to achieve atomic disorder include a lower than normal substrate temperature, and one or more of a higher than normal working gas pressure and a lower than normal angle of incidence of coating flux. Anti-microbial powders formed by vapor deposition or altered by mechanical working to produce atomic disorder are also provided. Novel anti-microbial silver materials are defined, characterized by having a positive rest potential, a T.sub.rec /T.sub.m less than 0.33, and a grain size less than 200 nm.Type: GrantFiled: June 2, 1995Date of Patent: November 17, 1998Assignee: Westaim Technologies, Inc.Inventors: Robert Edward Burrell, Larry Roy Morris, Prasad Shrikrishna Apte, Sudhindra Bharat Sant, Kashmir Singh Gill
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Patent number: 5830576Abstract: A composition for agricultural and other actives, comprising a finely-divided particulate combination of microcrystalline cellulose, at least one nitrogen compound such as urea, an ammonium sulfate or phosphate and, optionally, a suspending agent for the micro-crystalline cellulose. The composition can be compacted to form shaped, solid dosage forms such as tablets which disintegrate rapidly in an aqueous medium.Type: GrantFiled: May 23, 1997Date of Patent: November 3, 1998Assignee: FMC CorporationInventors: Dev K. Mehra, Nagui I. Ibrahim, Edwin G. Fleck, Jr.
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Patent number: 5830480Abstract: Methods for increasing the biocompatibility of silica-based glass having a concentration of silicon greater than 55%, compositions resulting therefrom, and methods for expeditious formation of calcium-phosphate films on sol-gel derived, silica-based bioactive glass are disclosed.Type: GrantFiled: May 9, 1996Date of Patent: November 3, 1998Assignee: The Trustees of the University of PennsylvaniaInventors: Paul Ducheyne, Shulamith Radin, Sylvie Falaize, Erick Manuel Santos