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| Number | Title | Issue Date |
| 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 influences the polymerization is varied according to a recurrent patt... | 02/26/2008 |
| 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 compounds, and to their use as additives for aqueous construction materials sy... | 07/03/2007 |
| 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 one a group containing compound and at least one aliphatic group contai... | 07/27/2004 |
| 6605182 | Polymers, their preparation and their use (Co)poly--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 2-hydroxy-2-carboxyethylene-1,2 monomer units, are suita... | 08/12/2003 |
| 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 medium including one or more water soluble or water dispersible ... | 03/27/2001 |
| 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 disclosed. The microparticles give excellent results in a number... | 10/10/2000 |
| 6127494 | 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 medium including one or more water soluble or water dispersible ... | 10/03/2000 |
| 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 resistant to water and many organic solvents. These coating... | 09/28/1999 |
| 5905127 | Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c... | 05/18/1999 |
| 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.... | 09/01/1998 |
| 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 decomposition of the compounds occurs and the resist film obtained... | 07/14/1998 |
| 5773480 | Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom Polymeric compositions are derived from copolymers of ,ଲ,ଲ-trifluorostyrene with a variety of substituted ,ଲ,ଲ-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange memb... | 06/30/1998 |
| 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 component (a) and has a cationic group, (c) at least one of ... | 12/16/1997 |
| 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 carboxylic acid monomers, such as acrylic acid and/or met... | 07/29/1997 |
| 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 a water soluble hydrophobically associating copolymer of ... | 01/28/1997 |
| 5512646 | Water soluble powdered cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compounds A water-soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide in which a) the dimethylaminopropylacrylamide is neutralized with mineral acids; b) the quotient of the intrinsic viscosity of the copolymers ... | 04/30/1996 |
| 5498639 | Trifluorostyrene and substituted trifluorostyrene copolymeric ion-exchange membranes Polymeric compositions are derived from copolymers of ,ଲ, ଲ-trifluorostyrene with a variety of substituted ,ଲ,ଲ-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange mem... | 03/12/1996 |
| 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 higher physiologic pH of the intestinal tract causing rele... | 01/16/1996 |
| 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 function, and a non-centrosymmetric system of pi (π) con... | 08/22/1995 |
| 5422411 | Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom Polymeric compositions are derived from copolymers of ,ଲ,ଲ-trifluorostyrene with a variety of substituted ,ଲ,ଲ-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange memb... | 06/06/1995 |
| 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 C3 -C6 monoethylenically unsaturated carboxylic acids; (b) from about 5... | 05/09/1995 |
| 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) trialykl ammonium salts at a pH of at least 9 and a temperature o... | 08/09/1994 |
| 5326840 | Radiation-sensitive mixture containing novel polymers embodying units composed of amides of , ଲ-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 ,ଲ-unsaturated carboxylic acids with which the polymers use... | 07/05/1994 |
| 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 polymers can be supplied as latex particles in aqueous compositi... | 01/11/1994 |
| 5274060 | Copolymers crosslinkable by acid catalysis Copolymers having a molecular weight (Mw) of from 103 to 106, measured by gel-permeation chromatography, that are crosslinkable by acid catalysis and that consist of a) 100-80 mol. % of structural repeating units of formulae I and II ... | 12/28/1993 |
| 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 R1, identical or different, represent a hydrogen atom or a methyl group, X represents an oxygen ato... | 11/16/1993 |
| 5241026 | Polylactones of poly--hydroxyacrylic acid The invention relates to the stabilization of alkaline solutions of peroxide bleaching compounds using, as stabilizing agent, a water-soluble poly--hydroxyacrylic acid salt which in the sodium salt form has an average molecular weight Mw from 2000 ... | 08/31/1993 |
| 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 and monomer units derived from a halohydroxyalkyl ester o... | 04/16/1991 |
| 4973637 | Polymers made from quaternary ammonium acrylic monomers Quaternary ammonium containing monomers, represented by the formula: ##STR1## wherein R1 is H or methyl, R2 is an alkyl group containing 6 to 22 carbon atoms, D is an alkylene group containing 1 to 4 carbon atoms, or a hydroxyla... | 11/27/1990 |
| 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 dispersible and are based on acrylyl monomers having the st... | 09/25/1990 |
| 4929687 | Polymers and process of making same Novel N-chloroamide polymers and a process for the production thereof are disclosed.... | 05/29/1990 |
| 4916178 | Stable solutions of poly--hydroxyacrylic acid salts The invention relates to the stabilization of alkaline solutions of peroxide bleaching compounds using, as stabilizing agent, a water-soluble poly--hydroxyacrylic acid salt which in the sodium salt form has an average molecular weight Mw from 2000 ... | 04/10/1990 |
| 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 methacrylamide, (2) a water insoluble vinyl monomer having an alky... | 08/15/1989 |
| 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 insoluble monomers. The water soluble monomers are ethylenica... | 05/30/1989 |
| 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 contaminants. These water soluble polymers contain both water ... | 05/16/1989 |
| 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 formula: about 10 to about 30 mole % of monomeric carboxylic acids corre... | 03/21/1989 |
| 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 paper made from aqueous pulps of paper making fibers.... | 11/15/1988 |
| 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 such additives. The polymeric additive according to the inve... | 07/19/1988 |
| 4743664 | Process for producing ,ଲ-unsaturated carboxylic acid polymer A less colored , ଲ-unsaturated carboxylic acid polymer having a relatively small molecular weigth and a sharp molecular weight distribution is produced by supplying an ,ଲ-unsaturated carboxylic acid monomer and a hydrogensulfite ... | 05/10/1988 |
| 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 copolymers, in the form of a powder, in water; methods for coa... | 04/12/1988 |
