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7608665 |
Temporary wet strength resin for paper applications
A thermosetting resin comprising a reacted A) first partially crosslinked glyoxalated polymer comprising a reacted (i) first polyacrylamide backbone and (ii) a first glyoxal component; and B) a...
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7547747 |
Modified polyallylamine and process for producing the same
The present invention relates to a polyallylamine-based high-molecular-weight polymer which is easily soluble in water and in an organic solvent and gives an excellently stable aqueous solution or...
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7541409 |
Hydrophobically modified polymers containing vinylamine or ethylenimine units, method for the production thereof, and their use as retention agents
Hydrophobically modified polymers containing vinylamine or ethylenimine units and obtainable by reacting
(a) polymers containing vinylamine or ethylenimine units with (b) compounds of the formula
...
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7517705 |
Phosphorus-containing polymers for optical signal transducers
The invention relates to a phosphorus-containing polymer for coating dielectric materials, to processes for its preparation and to its use, as well as to an optical signal transducer having a...
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7473739 |
Particulate water absorbent agent and production method thereof, and water absorbent article
A particulate water absorbing agent of the present invention includes a water absorbent resin, having a cross-linking structure, whose surface has been cross-linked by adding a surface treatment...
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7399821 |
Alkylated poly(allylamine) polymers and methods of use
The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically...
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7138462 |
Functionalized polymers for binding to solutes in aqueous solutions
A functionalized polymer for binding a dissolved molecule in an aqueous solution is presented. The polymer has a backbone polymer to which one or more functional groups are covalently linked. The...
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7101945 |
Phosphorus-containing polymers for optical signal transducers
The invention relates to a phosphorus-containing polymer for coating dielectric materials, to processes for its preparation and to its use, as well as to an optical signal transducer having a...
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7094853 |
Crosslinked polymer, method for manufacturing it and use thereof
It is an object of the present invention to provide a basic crosslinked polymer having excellent ion exchange and catalyst properties with high resistance to thermal degradation which is,...
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6962959 |
Composite electrolyte with crosslinking agents
A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics...
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6951905 |
Bisoxazolone based polymers
A method of preparing an elastomeric polymer comprising the step of reacting a bisoxazolone with a primary or secondary di-amine terminated oligomer. Also disclosed is a polymer having the formula...
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6894110 |
Preparation of water soluble polymer dispersions from vinylamide monomers
The present invention relates to a novel process for the production of a water soluble polymer dispersion from vinylamide monomers, and, more particularly, polymers formed from N-vinylformamide...
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6803348 |
Hydrophobically modified polymers for water control
The use of a hydrophobically modified water soluble polymer is described capable of being chemically cross-linked so as to produce a stable gel for blocking a water-bearing formation from a...
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6784254 |
Process for removing bile salts from a patient and alkylated compositions therefor
The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically...
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6608137 |
Microdispersions of hydroxamated polymers
Stable, gel-free, water-in-oil microdispersions comprising a continuous phase of an oil and an emulsifier and a discontinuous phase of an aqueous solution of a hydroxamated vinyl polymer are...
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6583248 |
Polymerizable cyclodextrin derivatives
The polymerizable cyclodextrin derivatives (“PCDs”) of this invention relate to cyclodextrin derivatives wherein substantially each molecule of which contains one or more covalently attached...
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6541573 |
Method for eliminating formamide from polymerizates containing n-vinyl formamide units
A process for the elimination of formamide from polymers containing N-vinylformamide units involves treating formamide-containing polymers with from 1 to 2 mol-equivalents of an acid or a base,...
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6465579 |
Silica-polymer composite, method of production thereof, and rubber composition using the same
A silica-polymer composite, featuring a low viscosity and excellent processability when being kneaded with a rubber and superior in dispersibility and tensile strength, comprising a polymer having...
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6458348 |
Use of water-soluble polymers as biocides
The use of polymers comprising as essential structural elements units of the formula I and/or II in which R 1 is H, alkyl, cycloalkyl, aryl or aralkyl, R 2 and R 3 independently of one...
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6423786 |
Alkylhydrazine functionalized resin
Disclosed are polymers comprising alkylhydrazine-functionalized styrene units of Formula 1 wherein m is an integer from 1 to 3; n is an integer from 0 to 50; p is an integer from 1 to 25; and R...
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6388021 |
Acrylic metal surface treatment composition with hydroxy and amino/ammonium functionality
A metal surface treatment composition is provided which improves corrosion resistance and film adhesion, and confers slip properties. This composition is an acrylic resin-containing metal surface...
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6369165 |
Method for the production of polymers from n-vinyl compounds
A process for preparing polymers of N-vinyl compounds comprises polymerizing the vinyl compounds in the presence of free radicals of the formula I where Q is NR 2 or S and T is CR 3 R 4 or S...
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6365676 |
Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams
The invention concerns a process for the reaction of a perfluoroalkyl iodide of the formula CF 3 (CF 2 ) h —I, where h is an integer from 4 to 18, with a compound having a terminal olefinic...
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RE37037 |
Emulsified mannich acrylamide polymers
Mannich (alk)acrylamide microparticles are produced at high solids contents without a significant increase in bulk viscosity by inverse microemulsion polymerization and provide superior dewatering...
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RE36884 |
Mannich acrylamide polymers
Mannich (alk)acrylamide microparticles are produced at high solids contents without a significant increase in bulk viscosity by inverse microemulsion polymerization and provide superior dewatering...
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6028132 |
Antistatic agents, coatings and adhesives
Antistatic agents, adhesives and coatings with high antistatic properties under low humidity and temperature, which contain a quaternary ammonium salt of formula I: ##STR1## wherein each of R 1 , R...
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5936042 |
Process for producing an aqueous dispersion of a water-soluble cationic polymer
A process for producing an aqueous dispersion of a water-soluble cationic polymer which process comprises modifying a polymer obtained by homopolymerization of an N-vinylcarboxylic acid amide or...
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5876623 |
Biodegradable aspartic acid polymers for preventing scale formation in boilers
A biodegradable anti-scalant for steam generators, boilers and other heat transfer equipment is provided. Anti-scalants prepared in accordance with the present invention include aspartic acid,...
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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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5789488 |
Preparation of water soluble graft copolymers
Disclosed are methods for reducing turbidity of aqueous systems and clarifying wastewater systems utilizing a graft copolymer having the structure: ##STR1## whereby the cationic monomer (F) is...
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5753770 |
Preparation of hydrogen peroxide, C1 to C4-monopercarboxylic acid and C4- to C18-dipercarboxylic acid complexes in a fluidized-bed process
A fluidized-bed process for preparing hydrogen peroxide, C 1 -C 4 -monopercarboxylic acids and C 4 -C 18 -dipercarboxylic acid complexes in which a solution of hydrogen peroxide, a C 1 -C 4 ...
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5712363 |
Oligomeric sterically hindered polyamine crosslinkers and coating compositions containing the same
The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine...
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5710200 |
Natural rubber treated with viscosity stabilizers and production thereof
Natural rubber containing viscosity stabilizers is treated under drying conditions to result in 10% or less of the difference of gel content and 85% or more of molecular weight retention between...
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5698305 |
Newsprint paper
A newsprint paper coated with a surface treating agent including a polyacrylamide-based compound and a vinyl acetate/maleic acid half ester copolymer in an coating amount of 0.01 to 0.2 g/m 2 . By...
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5696193 |
Immunoassay elements comprising polymers containing vandium IV (V+4) ions
A dry immunoassay analytical element, for assaying a ligand, comprising in the following order: (a) a layer containing a labeled ligand; (b) a spreading layer; (c) a receptor layer...
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5631326 |
Crosslinked nitrogen-containing vinyl copolymers processes for their preparation and the use of these compounds
Crosslinked, nitrogen-containing vinyl copolymers having units of the formula I ##STR1## and physiologically tolerated salts thereof, in which, in formula I, A1, A2, R, w, x, y and z have the...
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5605974 |
Process for the preparation of a modified copolymer as a pigment dispersant for aqueous coating compositions
The present invention is directed to a process for the preparation of modified copolymers as a pigment dispersant for coating compositions comprising the steps of a) polymerizing i) an...
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5484865 |
Copolymers of ampholytic ion pairs containing vinylic tertiary amine
A composition of a superabsorbent polymer and a process for using the polymer to absorb an aqueous electrlyte solution are disclosed. The composition comprises repeating units derived from: (a) an...
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5430110 |
Polyvinylamine derivatives having hydrophilic centers, processes for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliary
Polyvinylamine derivatives having hydrophilic centers, processes for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliary. Polyvinylamine...
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5426009 |
Polymeric composite material
The invention relates to a polymeric composite material which: is based on a liquid crystal polymer component, exhibits a high glass transition temperature of at least 60° C. and a...
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RE34903 |
Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same
Disclosed herein is a vinylamine copolymer having the structural units represented by the following formulas (I), (II), (III) , and (IV) and (VI) : ##STR1## wherein x.crclbar. represents an...
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5389722 |
Hydrophilic resin and method for production thereof
A hydrophilic resin is produced by a method which comprises copolymerizing a hydrophilic unsaturated monomer with 0.001 to 50 mol %, based on the amount of said monomer, of a first cross-linking...
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5376728 |
Amino-substituted polymers containing graft polymer segments derived from aromatic nitrogen-containing monomers
The novel polymers of the present invention are prepared by graft polymerization of at least one aromatic nitrogen-containing monomer onto a low T g amino-substituted polymer (e.g., an ethylene...
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5354366 |
Ink composition and resins and methods relating thereto
An amine functional water reducible resin and an ink composition incorporating an amine functional water reducible resin which is water insoluble under certain pH conditions and selectively water...
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RE34713 |
Vinylamine copolymer flocculating agent etc.
Disclosed herein is a vinylamine copolymer having the structural units represented by the following formulas (I), (II), (III), (IV) and (V): ##STR1## wherein X .crclbar . represents an anion or...
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5324787 |
Modification of poly (vinylamine)
Poly(vinylamine) homopolymers and copolymers are hydrophobically modified by reaction of amine units present in the polymer with a saturated aliphatic or aromatic glycidyl ether compound. The...
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5310786 |
Reversibly precipitable, water-soluble polymer conjugates
The invention relates to polymer conjugates which are reversibly precipitable from aqueous solution and are composed of a carrier polymer which is soluble in aqueous medium and of a catalytically...
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5292821 |
Catonic acrylamide polymers and the applications of these polymers
This invention provides cationic acrylamide polymers which are highly effective as paper strength agents, drainage agents and suspension flocculants, and which do not show much temporal...
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5280078 |
Homopolymers and copolymers of acrylamide N-substituted acrylamide or N-substituted methacrylamide solid state cross-linked with polyamines or polyols
Cross-linked polymeric gels or films are prepared by dissolving in a suitable solvent a linear polymer or polymers at least one of which is predominantly (at least 80%) made from monomers...
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5272218 |
Polymeric compositions for nonlinear optics
Disclosed are polymers which contain NLO dye moieties based upon a barbituric acid group, a thiobarbituric acid group or a 1,3-bis(dicyanomethylene)indan-2-ylidene group. These polymers, after...
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