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7335709 |
Polymerizate composition and a method for producing the same
The invention relates to water-soluble, preferably powder-form polymer compositions which are obtained by continuous polymerization of at least one unsaturated monomer. At least one parameter that...
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7238760 |
Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof
The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl...
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6767979 |
Crosslinked polymers and refractive devices formed therefrom
A polymer is formed of ethylenically unsaturated monomers including a zwitterionic monomer, an aromatic monomer and a cross-linking monomer. Preferably the crosslinking monomer includes at least...
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6605182 |
Polymers, their preparation and their use
(Co)poly-α-hydroxyacrylic-acid-based polymers (P), optionally in lactonized form or in salt form, optionally as Mg-complexes, and which are characterized by a content in carbohydrate units and...
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6207771 |
Method for producing polymers using micellar polymerization
A process for forming a hydrophobically modified water soluble or water dispersible polymer by utilizing a micellar polymerization technique comprising the steps of: (1) providing a reaction...
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6130303 |
Water-soluble, highly branched polymeric microparticles
Water-soluble, high molecular weight, polymeric, microparticles with a high degree of branching are disclosed. A microemulsion polymerization process for preparing the microparticles is also...
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5959016 |
Composition for preparing a solvent-resistant coating
A water-based polymer composition containing a polyvalent metal complex and a polymer having pendant strong cationic groups and weak acid salt groups forms fast dry-to-the-touch coatings that are...
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5801221 |
Polymeric phase transition artificial receptors, antibodies, and enzymes
Multiple-phase transition copolymers are formed which can selectively bind and release a chemical, or which can selectively catalyze a specific chemical reaction.
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5780566 |
Polymers containing protected styrene and unprotected hydroxybenzyl (meth)acrylamides
Novel polymers may be used in resist formulations for the fabrication of printing plates and circuit boards and, in particular, for the fabrication of integrated circuits. No autocatalytic...
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5773480 |
Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
Polymeric compositions are derived from copolymers of α,β,β-trifluorostyrene with a variety of substituted α,β,β-trifluorostyrenes. These compositions are suitable for use as membranes,...
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5698627 |
Additive for papermaking
A novel additive for papermaking is disclosed. The additive comprises an aqueous solution of a copolymer obtained by reacting (a) an acrylamide, (b) a vinyl monomer which is copolymerizable with...
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5652296 |
Water-based adhesives
A water-based adhesive comprising water-soluble polymers having carboxy groups and quaternary ammonium groups wherein the polymers can be derived by copolymerizing one or more unsaturated aliphatic...
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5597858 |
Hydrophobically associating dispersants used in forming polymer dispersions
An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer...
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5498639 |
Trifluorostyrene and substituted trifluorostyrene copolymeric ion-exchange membranes
Polymeric compositions are derived from copolymers of α,β, β-trifluorostyrene with a variety of substituted α,β,β-trifluorostyrenes. These compositions are suitable for use as membranes,...
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5484610 |
pH and temperature sensitive terpolymers for oral drug delivery
Terpolymers which are sensitive to pH and temperature are useful carriers for conducting bioactive agents through the gastric juices of the stomach in protected form. Such terpolymers swell at the...
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5444136 |
Optionally oriented, monomeric and polymeric nonlinearly optically active materials and derivatives thereof
Nonlinearly optically active monomer species comprising at least two carbon-carbon activated double bonds, i.e., the polymerization of which is facilitated by the presence of an electron attracting...
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5422411 |
Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
Polymeric compositions are derived from copolymers of α,β,β-trifluorostyrene with a variety of substituted α,β,β-trifluorostyrenes. These compositions are suitable for use as membranes,...
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5413731 |
Aminoacryloyl-containing terpolymers
This invention provides novel water-soluble terpolymers. These terpolymers contain as polymerized units (a) from about 92 to about 30 percent by weight of one or more C 3 -C 6 ...
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5336729 |
Acrylamide co-polymers with (2-acrylamido-2-hydroxyethyl) lower trialkyl ammonium salts
An acrylamide co-polymer which contains from between 1-60 mole percent of (2-acrylamido-2-hydroxy ethyl) trialkyl ammonium salt groups. These co-polymers are made by reacting (formylmethyl)...
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5326840 |
Radiation-sensitive mixture containing novel polymers embodying units composed of amides of α, β-unsaturated carboxylic acids as binders
A radiation-sensitive mixture is disclosed that contains a polymeric binder having acid-cleavable side groups and a compound which forms a strong acid on irradiation. Novel amides of...
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5278267 |
Carboxy containing monomers and polymers and latices prepared from same
Certain ethylenically unsaturated polymerizable monomers having a reactive carboxy group are useful for preparing homo- and copolymers for a variety of uses, including diagnostic assays. The...
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5274060 |
Copolymers crosslinkable by acid catalysis
Copolymers having a molecular weight (Mw) of from 10 3 to 10 6 , measured by gel-permeation chromatography, that are crosslinkable by acid catalysis and that consist of a) 100-80 mol. % of...
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5262238 |
Cationic copolymers which are insoluble in water, new dispensions and their use in the coating of papers
Cationic copolymers which are insoluble in water based on acrylamide, and a cationic monomer of general formula (I) ##STR1## in which R and R 1 , identical or different, represent a hydrogen atom...
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5241026 |
Polylactones of poly-α-hydroxyacrylic acid
The invention relates to the stabilization of alkaline solutions of peroxide bleaching compounds using, as stabilizing agent, a water-soluble poly-α-hydroxyacrylic acid salt which in the sodium...
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5008358 |
Polymer compositions
A hydrophilic crosslinkable copolymer comprising monomer units derived from an ester of an ethylenically unsaturated carboxylic acid wherein the ester group contains a labile primary hydroxyl group...
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4973637 |
Polymers made from quaternary ammonium acrylic monomers
Quaternary ammonium containing monomers, represented by the formula: ##STR1## wherein R 1 is H or methyl, R 2 is an alkyl group containing 6 to 22 carbon atoms, D is an alkylene group containing...
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4959432 |
Acid viscosifier compositions
Cationic, anionic and amphoteric polymers suitable for the preparation of acid viscosifier compositions and the acid viscosified compositions are provided. The polymers are water soluble or water...
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4929687 |
Polymers and process of making same
Novel N-chloroamide polymers and a process for the production thereof are disclosed.
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4916178 |
Stable solutions of poly-α-hydroxyacrylic acid salts
The invention relates to the stabilization of alkaline solutions of peroxide bleaching compounds using, as stabilizing agent, a water-soluble poly-α-hydroxyacrylic acid salt which in the sodium...
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4857621 |
Cationic polymeric stabilizers for oil-in-water emulsions
A mixture having emulsifying and emulsion stabilizing properties resulting from the polymerization of (1) a water soluble vinyl monomer selected from the group consisting of acrylamide and...
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4835234 |
Hydrophobically functionalized cationic polymers
Novel hydrophobically associating terpolymer compositions containing cationic functionality are described. These water soluble or water dispersible polymers contain both water soluble and water...
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4831092 |
Micellar process for preparing hydrophobically functionalized cationic polymers (C-2114)
This invention provides a process for preparing novel hydrophobically associating terpolymers containing cationic functionality which are useful for clean-up of waste waters containing organic...
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4814101 |
Zwitterionic polymers and their use in hair treatment preparations
New zwitterionic polymers are obtained as the copolymerization product of: from about 30 to about 70 mole % of monomers containing quaternary ammonium groups and corresponding to the following...
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4785055 |
Process for the preparation of N-haloamide polymers
Aqueous solutions of polyacrylamides are acidified and then reacted with halogen gas or hypohalites to provide N-halogenated polymers. The product of the process are good wet strength additives for...
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4758365 |
Polymeric additives useful for inhibition of the deposit of paraffins in crude oils
This invention relates to polymeric additives useful for inhibition of the deposit of paraffins and improvement of the flow properties of crude oils and to compositions containing crude oils and...
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4743664 |
Process for producing α,β-unsaturated carboxylic acid polymer
A less colored α, β-unsaturated carboxylic acid polymer having a relatively small molecular weigth and a sharp molecular weight distribution is produced by supplying an α,β-unsaturated...
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4737357 |
Aqueous coating dispersions
Aqueous dispersions of a water-swellable but water-insoluble polymer formed between a quaternary ammonium monomer and a nonionic monomer; methods for making such dispersions by dispersing said...
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4710526 |
Alkaline curing emulsions for use in cement admixtures
A cement admixture which results in a cement mortar with excellent adhesion to various adherents and with excellent flexibility over a wide range of temperatures, including very low temperatures,...
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4649219 |
Unsaturated cyclic amido-substituted ether compounds and preparation process thereof
Disclosed herein are novel unsaturated cyclic amide-substituted ether compounds having a wide range of utility in crosslinking agents, adhesives, paints, raw materials for hygroscopic resins, etc....
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4631327 |
β-Elimination polymers useful for providing diffusion control layers in diffusion transfer photographic products
Polymers comprising recurring units having cyclic β-elimination moieties capable of undergoing β-elimination in an alkaline environment and are disclosed for use in diffusion control layers in...
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4625006 |
Adhesivizing agent copolymers containing both acrylate or methacrylate groups and alkoxysilyl groups
The present invention relates to copolymers which can be used as adhesion mediating agents (adhesivers) between polymers and inorganic-oxide material. They are characterized by a reactive...
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4489192 |
Cationic vinyl ester based polymer latices, their preparation and use as formaldehyde-free binders
High solids, low viscosity, alkaline-curable, thermosetting cationic vinyl ester based polymer latices, characterized by the high molecular weight of the polymer therein, are prepared by...
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4460758 |
Drag reduction agents for aqueous salt solutions
The present invention relates to improved drag reduction agents for aqueous solutions which comprises a polymeric complex which is a terpolymer of acrylamide/metal styrene...
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4444971 |
Acrylic and methacrylic quaternary chloromethyl ammonium chloride cationic monomers and polymers thereof
The present invention is directed to a new class of cationic monomers and to polymers thereof. The monomers are quaternary chloromethyl ammonium chlorides having the following general formula: CH...
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4420541 |
Radiation polymerizable compounds and conductive coatings from same
This invention is directed to a novel water soluble conductive material which is capable of being polymerized by actinic radiation. More specifically, this invention involves the use of a radiation...
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4414374 |
Butadiene-styrene-N,N-dialkylacrylamine terpolymers
The terpolymers disclosed herein comprise 60-87 percent by weight butadiene, 10-30 percent styrene and 3-15 percent N, N-dialkylacrylamide in the polymer molecules. These are prepared by emulsion...
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4357447 |
Polymere N-halogenamide auf basis von acryl-und methacrylamid
Polyfunctional N-chloramide derivatives of homo-or copolymers of acrylamide or methacrylamide. These may be copolymers of methacrylamide and acrylamide; or of either of these with any of styrene,...
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4325794 |
Combined visible light and thermally activated continuous polymerization process
Continuous process for the preparation of water-soluble polymers in which highly concentrated monomer solutions may be polymerized by a combination of a visible light and a thermally initiated...
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4237218 |
Micro-carrier cell culture
Insoluble cationic acrylamide copolymers for use as cell growth carriers and a novel copolymer of dimethylaminopropylmethacrylamide, acrylamide and methylene-bis-acrylamide useful as both a carrier...
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4224150 |
Process for clarifying aqueous systems employing quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylamide
This invention relates to adducts of salts of polymerizable tertiary amines with acrylic compounds illustrated by acrylamide and acrylonitrile; to polymers and copolymers containing said adducts...
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