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| Number | Title | Issue Date |
| 5739183 | Colorless, non-toxic, stabilized aqueous solution of a C1 -C5 alkyl vinyl ether and maleic acid copolymer A method of stabilizing an aqueous solution of an acid copolymer of maleic acid and a C1 -C5 alkyl vinyl ether against degradation in viscosity or molecular weight upon storage for an extended period of time in aqueous solution at am... | 04/14/1998 |
| 5731264 | Stabilized liquid emulsifiable concentrate for a sulfonyl or sulfamoylurea herbicide A stabilized liquid emulsifiable concentrate for an active sulfonyl or sulfamoylurea herbicide is described. The liquid delivery system in the concentrate includes a polar solvent capable of dissolving the active herbicide, and which does not promote prot... | 03/24/1998 |
| 5728390 | Cosmetic composition of an alpha or beta-hydroxy acid and a polyvinylpyrrolidone complexing agent What is described herein is a cosmetic composition of an alpha-hydroxy acid, such as lactic acid or glycolic acid, or a beta-hydroxy acid, such as salicylic acid, and a polyvinylpyrrolidone-complexing agent, or derivative thereof, in a suitable solvent, u... | 03/17/1998 |
| 5723524 | Method for preventing or retarding the formation of gas hydrates A composition for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate, during the transport of a fluid comprising water and a hydrocarbon, through a conduit, comprising, (a) a polymer or copoly... | 03/03/1998 |
| 5717045 | Crosslinked copolymers of vinyl pyrrolidone and dimethylaminoethyl methacrylate and process for making same in aqueous solution having desirable gel properties Crosslinked copolymers of vinyl pyrrolidone (VP) and dimethylaminoethyl methacrylate (DMAEMA) for use in personal care products are made herein in aqueous solution by copolymerization of VP and DMAEMA monomers in aqueous solution using 1-vinyl-3-(E)-ethyl... | 02/10/1998 |
| 5691430 | Process for making vinyl ether polymers A process for polymerizing a vinyl ether monomer which comprises contacting the vinyl ether with an initiator system of silicon dioxide and a one or more metallic oxides.... | 11/25/1997 |
| 5686067 | Low voc hair spray compositions A low VOC (volatile organic compounds) hair spray composition having a combination of desirable user performance characteristics is described herein. The hair fixative resin in the composition is a terpolymer of 40-75% by weight of a vinyl lactam, prefera... | 11/11/1997 |
| 5684105 | Process for providing homogeneous copolymers of vinylpyrrolidone and 3-dimethylaminopropyl methacrylamide (DMAPMA) which form clear aqueous solutions having high cloud points A process for making homogeneous copolymers of vinylpyrrolidone (VP) and 3-dimethylaminopropyl methacrylamide (DMAPMA) which form clear aqueous solutions having high cloud points. The process involves precharging VP and DMAPMA monomers in a predetermined ... | 11/04/1997 |
| 5672634 | Crosslinked PVP-I2 foam product A crosslinked PVP-I2 foam product, useful as an iodophor, contains about 0.1-2% crosslinker and about 16-18% total inorganic iodine.... | 09/30/1997 |
| 5663258 | Strongly swellable, moderately crosslinked copolymers of vinylpyrrolidone and vinyl acetate Strongly swellable, moderately crosslinked poly(vinyl pyrrolidone/vinyl acetate) copolymer (XL-PVP/VA) in the form of fine, white powders characterized by (a) an aqueous gel volume of about 15 to 150 ml/g of polymer, (b) a Brookfield viscosity in 5% aqueo... | 09/02/1997 |
| 5654385 | One-step process for making lightly-crosslinked polyvinylpyrrolidone hydrogel A one-step for making a lightly-crosslinked polyvinylpyrrolidone hydrogel by polymerizing vinyl pyrrolidone in water in the presence of a suitable crosslinker such as 1-vinyl-3(E)-ethylidene pyrrolidone and a free radical initiator under initial agitation... | 08/05/1997 |
| 5653965 | Low VOC, sunscreen spray composition containing a hydrophobic, film-forming polymer Stable, water-based formulations containing high levels of water insoluble UV protectants/insecticides are provided herein as sprayable microemulsions containing a film-forming polymer, e.g. Agrimer.RTM. VEMA ES 425 [poly(methyl vinyl ether-maleic acid mo... | 08/05/1997 |
| 5645859 | Process for producing an alpha or beta-hydroxy acid-vinylpyrrolidone polymer, copolymer or graft polymer complex in the form of free-flowing powders having a high acid loading A process is provided for making a free-flowing powder of a complex of an alpha-hydroxy acid (AHA) and/or a beta-hydroxy acid (BHA) and a vinylpyrrolidone (PVP) polymer, copolymer or graft polymers, as the complexing agent, at high acid loadings, preferab... | 07/08/1997 |
| 5635568 | Reactive extrusion process for making mixed salts of polymers containing an anhydride, acid or ester side groups A process of making a mixed salt of a polymer containing an anhydride, acid or ester side groups therein which comprises: (a) forming a reaction mixture of the polymer, mixed salt compounds and water, in a predetermined proportion, as a paste or slurry, (b) re... | 06/03/1997 |
| 5631273 | Synergistic water soluble preservative compositions of biocidal mixtures A water soluble preservative antimicrobial composition for addition to commercial use products at predetermined use levels to provide synergistic biocidal activity against a wide range of fungi and gram-negative and gram-positive bacteria, comprising an a... | 05/20/1997 |
| 5629261 | Free-flowing, non-dusting water dispersible granules of a water-insoluble, hydrophobic agriculturally active chemical having low friability and superior crush strength A free-flowing, non-dusting water dispersible granule (WDG) of a water-insoluble, hydrophobic agriculturally active chemical having low friability and superior crush strength for delivery to a desired site as a stable, rainfast suspension in water, withou... | 05/13/1997 |
| 5626835 | Low VOC hair spray composition A low volatile organic compounds hair spray microemulsion in the form of a stable, clear, single phase system in which the particles therein have a diameter of less than 1 micron, consisting essentially of, by weight, (a) an ethyl half-ester of a copolymer of ... | 05/06/1997 |
| 5626836 | Low VOC hair spray compositions containing terpolymers of vinyl pyrrolidone, vinyl caprolactam and 3-(N-dimethylaminopropyl) methacrylamide Low VOC hair spray resin compositions containing homogeneous terpolymers of vinyl pyrrolidone, vinyl caprolactam and 3-(N-dimethylaminopropyl) methacrylamide are described. The hair spray compositions are made using a solution of the terpolymer which is c... | 05/06/1997 |
| 5622003 | Seed coating containing Mn (NO3)2 .multidot.6H2 O What is described herein are homogeneous, aqueous, non-freezing seed coating compositions containing high loadings of a nutrient such as Mn(NO3)2.6H.sub.2 O.... | 04/22/1997 |
| 5621136 | Colorless, non-toxic, stabilized aqueous solution of a C1-C5 alkyl vinyl ether and maleic acid copolymer A method of stabilizing an aqueous solution of an acid copolymer of maleic acid and a C1 -C5 alkyl vinyl ether against degradation in viscosity or molecular weight upon storage for an extended period of time in aqueous solution at am... | 04/15/1997 |
| 5614173 | Hair spray composition having 80% or less VOC and advantageous physical and performance characteristics A hair spray composition of 80% or less VOC includes a fixative which is the half-ester of a copolymer of maleic anhydride and methyl vinyl ether having advantageous physical and performance properties even at low fixative levels. The copolymer is made by... | 03/25/1997 |
| 5609865 | Substantially homogeneous copolymers of vinyl pyrrolidone and N-3,3-dimethylaminopropyl methacrylamide for personal care applications Substantially homogeneous copolymers comprising 20-99% of vinyl pyrrolidone (VP) and 1-80% of N-3,3-dimethylaminopropyl methacrylamide, (DMAPMA), preferably 50-95% VP and 5-50% DMAPMA, and, most preferably, about 80:20, by weight, having a weight average ... | 03/11/1997 |
| 5608024 | Process for making polymers of vinyl lactam and a polymerizable carboxylic acid, optionally with, a hydrophobic monomer, as a stable composition in an alcohol-water solvent system, having a residual vinyl lactam content of less than 500 PPM What is described herein is a process for making polymers of a vinyl lactam and a polymerizable carboxylic acid, optionally including a hydrophobic monomer, as a stable composition in an alcohol-water solvent system having a residual vinyl lactam content ... | 03/04/1997 |
| 5603919 | Low VOC hair spray fixative compositions containing a tetramer Low VOC hair spray fixative compositions containing a fixative which is a tetramer of vinyl pyrrolidone, vinyl caprolactam, 3-(N-dimethylaminopropyl) methacrylamide and a C8 -C18 alkyl acrylamide or acrylate, in predetermined composi... | 02/18/1997 |
| 5604275 | Color stabilized aqueous n-vinyl heterocyclic copolymer solutions This invention relates to an N-vinyl heterocyclic copolymer in substantially pure deionized water or in aqueous alcoholic solution which exhibits significantly reduced color and odor and which is obtained by contacting an alcohol-copolymer mixture with wa... | 02/18/1997 |
| 5603942 | Stable, single phase w/o microemulsion matrix formulation for forming sprayable, aerosol agriculturally active compositions Stable, single phase w/o aerosol microemulsion final use compositions containing a sprayable agriculturally active composition are described herein.... | 02/18/1997 |
| 5597870 | Process for making C1 -C22 dialkyl esters of a copolymer of a monoethylenically unsaturated dicarboxylic acid and a vinyl monomer A process for making a C1 -C22 dialkyl ester of a copolymer of a monoethylenically unsaturated dicarboxylic acid, anhydride or mono-C1 -C22 alkyl ester thereof, and a vinyl monomer, such as a C1 -C | 01/28/1997 |
| 5597551 | Low VOC hair spray composition A low volatile organic compound hair spray composition in the form of a stable, clear, single phase microemulsion in which the particles therein have a diameter of less than 1 micron, consisting essentially of by weight, (a) a butyl half-ester of a copoly... | 01/28/1997 |
| 5573792 | Method of growing fish or crustaceans at increased conversion, growth and survival rates A method of growing fish and crustaceans at increased conversion, growth and survival rates by feeding the fish or crustacean with a particulate foodstuff composition which includes polyvinylpyrrolidone (PVP) having a K-value of 15-120 to bind said foodst... | 11/12/1996 |
| 5567787 | Crosslinked terpolymers of high salt tolerance This invention relates to a 1-8% crosslinked terpolymer of a C1 -C4 alkyl vinyl ether, maleic anhydride and a hydrophobic C6 to C18 alkyl vinyl ether in a critical molar ratio of from 1-3:1:0.01-0.20, which poly... | 10/22/1996 |
| 5567786 | Polymerizable composition of vinylpyrrolidone and vinyl caprolactam A polymerizable composition consisting essentially of about 50 to about 90% by weight of vinylpyrrolidone monomer, about 10 to about 50% by weight of vinyl caprolactam monomer, and about 0.5 to about 7% by weight of a crosslinker, which is capable of prol... | 10/22/1996 |
| 5560927 | Co-processing method for making a free-flowing compressible powder and tablet therefrom A process for making a free-flowing, compressible powder by spraying a selected amount of an aqueous solution of polyvinylpyrrolidone onto a fluid bed containing a predetermined admixture of starch and polyvinylpyrrolidone therein, and drying. An active-c... | 10/01/1996 |
| 5552425 | Synergistic water soluble preservative compositions of biocidal mixtures A water soluble preservative antimicrobial composition for addition to commercial use products at predetermined use levels to provide synergistic biocidal activity against a wide range of fungi and gram-negative and gram-positive bacteria, comprising an a... | 09/03/1996 |
| 5523369 | Homogeneous polymerization process for making substantially homogeneous terpolymers A homogeneous polymerization process is described for making substantially homogeneous terpolymers of, by weight, 55-99%, preferably 65-95% of vinyl pyrrolidone; 0.5-49%, preferably 1-25% of a quaternary amino monomer, preferably 3-methacrylamidopropyl tr... | 06/04/1996 |
| 5521256 | Process for hydrolyzing and neutralizing a crosslinked polymer of maleic anhydride and a C1 -C5 alkyl vinyl ether, optionally with a hydrophobic monomer, substantially instantly at room temperature A process for hydrolyzing and neutralizing a crosslinked polymer of maleic anhydride and a C1 -C5 alkyl vinyl ether, and, optionally a hydrophobic monomer, in anhydride form substantially instantaneously in water at room temperature,... | 05/28/1996 |
| 5516828 | Process for the preparation of stable water based stock solutions of crosslinked lower alkyl vinyl ether and maleic anhydride copolymers and hydrogel product of the process This invention relates to stable colorless concentrates and stock solutions of 1-5% crosslinked lower alkyl vinyl ether/maleic anhydride copolymers having a Brookfield viscosity of up to about 25,000 cps and to the process for their preparation.... | 05/14/1996 |
| 5502136 | Process for making substantially homogeneous copolymers of vinyl pyrrolidone and vinyl acetate which form clear aqueous solutions A process is described for making substantially homogeneous copolymers comprising 50-90% of vinyl pyrrolidone (VP) and 10-50% of vinyl acetate (VA), by weight, which form clear aqueous solutions.... | 03/26/1996 |
| 5496842 | Synergistic water soluble preservative compositions of biocidal mixtures A water soluble preservative admixture of biocidal compounds for addition to commercial use compositions at predetermined use levels, and uniformly distributed therein, to provide long-time synergistic biocidal activity against a wide range of fungi and b... | 03/05/1996 |
| 5492988 | Homogeneous polymerization process for making substantially homogeneous terpolymers of vinyl pyrrolidone, an organic quarternary ammonium monomer and a hydrophobic monomer A homogeneous polymerization process is described for making substantially homogeneous terpolymers of, by weight, 55-99%, preferably 65-95% of vinyl pyrrolidone; 0.5-49%, preferably 1-25% of a quaternary amino monomer, preferably 3-methacrylamidopropyl tr... | 02/20/1996 |
| 5492989 | Charge imbalanced polyelectrolyte composition A charge imbalanced polymer comprising: (a) about 10 to 90 mole % of polymeric units having the formulas ##STR1## where A is present in an amount of about 0.1-0.8 mole, and B is present in an amount of about 0.05-0.4 mole, and where A is 2-6 times B, wher... | 02/20/1996 |
