Matches 251 - 300 out of 651 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >
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5015710 Process for producing a blended metathesis/radical polymer composition  
A process is disclosed for preparing a blend of a metathesis polymer and a radical polymer wherein a norbornene polymer is metathesis polymerized in the presence of a vinyl compound having two...
5008355 Slurry polymerization of maleic anhydride and acrylic acid in a cosolvent system of ethyl acetate and cyclohexane  
Slurry copolymerization of maleic anhydride with (meth)acrylic acid and, optionally, with C 1 -C 4 alkyl vinyl ether in a cosolvent system of cyclohexane and ethyl acetate yields a pumpable...
4996274 Polycarboxylic acids with higher thickening capacity and better clarity  
Polymer and process of polymerizing a monomer charge containing at least 85% of an olefinically unsaturated carboxyl monomer of 3 to 5 carbon atoms at up to 15% of a copolymerizable comonomer, in...
4992517 Process for production of copolymers of maleic anhydride and an alkyl vinyl ether in a sterically hindered monoether solvent  
What is described herein is a process for making copolymers of maleic anhydride and a C 1 -C 8 alkyl vinyl ether. In this process, a reactor is precharged with a solution of maleic anhydride in a...
4990583 Copolymers containing isocyanate and acid anhydride groups, a process for their preparation and their use as a binder components  
Copolymers useful in binders for two-component coating compounds or sealing compounds are copolymers having a weight average molecular weight, determined by the gel permeation chromatography...
4988787 Alternating copolymers, a process for their preparation, and a method of use thereof  
The invention relates to alternating copolymers having the formula ##STR1## wherein one of R 1 , R 2 , and R 3 in each repeating unit is hydrogen and the others of R 1 , R 2 , and R 3 in each...
4962185 Process of rendering copolymer powders of maleic anhydride and an alkyl vinyl ether prepared in benzene solvent substantially benzene-free  
Substantially benzene-free copolymers of maleic anhydride and alkyl vinyl ethers having benzene present in an amount of less than 1 ppm and toluene present in an amount of about 2.0 wt. % or less...
4952558 Preparation of copolymers of ethylenically unsaturated dicarboxylic anhydrides and alkyl vinyl ethers  
Copolymers of ethylenically unsaturated dicarboxylic anhydrides and alkyl vinyl ethers are prepared by copolymerization of the monomers from which the copolymers are derived, in the presence or...
4948848 Solution feed, slurry polymerization process for the production of copolymers of maleic anhydride and an alkyl vinyl ether having predetermined specific viscosities  
What is described herein is a solution feed, slurry precipitation polymerization process for making copolymers of maleic anhydride and an alkyl vinyl ether within a predetermined viscosity range....
4946918 Synthetic resin compatibilizer  
A synthetic resin compatibilizer comprising a copolymer of a polyoxyalkylene derivative represented by general formula(I) with maleic anhydride, maleic acid, or a salt or an ester thereof ##STR1##...
4946904 Additives for cement  
An additive for cement comprising, as the effective component, a copolymer of a polyoxyalkylene derivative represented by following formula (1) and maleic anhydride, a hydrolyzed product of the...
4946627 Hydrophobically modified polycarboxylate polymers utilized as detergent builders  
This invention provides water soluble dispersible hydrophobically modified polycarboxylate polymers which are useful as detergent builders and detergent compositions utilizing these novel polymers...
4939198 Solution feed, solution polymerization process for production of copolymers of maleic anhydride and an alkylvinyl ether having low viscosities and high solids content  
A solution feed, solution polymerization method for making copolymers of maleic anhydride and an alkyl vinyl ether is described. In this process, maleic anhydride in a functional organic solvent is...
4933400 Method for the continuous solution polymerization of methyl methacrylate  
There is disclosed a process for the continuous polymerization of methyl methacrylate with a lesser cost, thermally polymerizable comonomer such as styrene, in the presence of a large quantity of...
4929694 Copolymers of p-mercaptostyrene and its esters  
There are provided novel copolymers of a p-mercaptostyrene ester, e.g., the acetate, with at least one comonomer selected from the group consisting of styrene, N-methylmaleimide, maleic anhydride...
4911736 Emulsifier and stabilizer for water base emulsions and dispersions of hydrocarbonaceous materials  
Oil-in-water emulsions are stabilized against separation of the components by the addition of a novel interpolymer comprising (1) about 97 to about 99 percent by weight of a water soluble...
4900809 Process of rendering copolymers of maleic anhydride and alkyl vinyl ethers prepared in benzene solvent substantially benzene-free  
Substantially benzene-free copolymers of maleic anhydride and alkyl vinyl ethers having benzene present in an amount of less than about 1 ppm and an alkyl-substituted aromatic hydrocarbon present...
4886859 Slightly crosslinked, water-soluble polymaleic acid, its preparation and its use  
Slightly crosslinked, water-soluble polymaleic acid which is obtainable by polymerization of maleic anhydride with from 0.1 to 10% by weight of a crosslinking agent in an aromatic hydrocarbon at...
4874539 Carboxy hydroxamic acid polymers and their use as detergent additives  
Polymeric carboxy hydroxamic acids useful as detergent additives are disclosed which are advantageously prepared from polyacrylic acid by first dehydrating the polyacrylic acid to form polyacrylic...
4818795 Polymaleic acid, its preparation and its use  
A process for the preparation of polymaleic acid by polymerizing maleic anhydride in an aromatic hydrocarbon at from 60° to 200° C., using from 1 to 20% by weight, based on maleic anhydride, of...
4814425 Novel alternate copolymers  
Novel alternate copolymers consisting of isopentenyl compounds having a specific structure and certain types of unsaturated compounds are provided.
4800220 Crosslinked carboxylic copolymers usable as thickeners in aqueous media and preparation thereof  
The invention relates to the chemistry of polymers and to cross-linked carboxylic copolymers obtained by copolymerization of an unsaturated carboxylic monomer, a cross-linking agent, an acrylic or...
4789716 Method of manufacturing polymaleic anhydride powders  
A method of manufacturing pulverulent polymaleic anhydrides in which maleic anhydride is polymerized in an organic solvent in the presence of a dispersant. Polymerization results in high yields of...
4782126 Polymers formed from allyl-substituted or methallyl-substituted, bicyclic, unsaturated dicarboxylic anhydrides  
Polymers formed from anhydrides of the formula I ##STR1## in which R 1 and R 2 independently of one another are hydrogen or methyl. The novel polymers are suitable for use as curing agents for...
4774265 Process for preparing magnetic polymer particles  
Magnetic polymer particles prepared by treating compact or porous polymer particles with a solution of iron salts and, if desired, salts of other metals which are capable of forming magnetic...
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...
4745138 Radiation curable partial esters of anhydride-containing copolymers  
Radiation-curable low molecular weight partial ester copolymer compositions comprising products of a terminally ethylenically unsaturated compound and a maleic anhydride characterized by having...
4737549 Terpolymers of maleic acid anhydride, (meth)acrylic acid, and (meth)acrylonitrile  
Terpolymers of 30 to 75% by weight of maleic acid (anhydride), 5 to 60% by weight of (meth)acrylic acid and 5 to 40% by weight of (meth)acrylonitrile are suitable as retanning agents for...
4725655 Preparation of copolymers of monoethylenically unsaturated mono- and dicarboxylic acids and anhydrides  
Copolymers which contain, as copolymerized monomer units, monoethylenically unsaturated mono- and dicarboxylic acids are prepared by a process in which (a) from 10 to 60% by weight of a...
4722947 Production of radiation curable partial esters of anhydride-containing copolymers  
Radiation-curable low molecular weight partial ester copolymer compositions comprising products of a terminally ethylenically unsaturated compound and a maleic anhydride characterized by having...
4713236 Polymeric amine conditioning additives for hair care products  
Polymers containing the primary pendant amine group or the corresponding amine salt are useful for imparting good conditioning properties to hair.
4710537 Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid  
Substantially homogeneous acrylate/maleate copolymers of number average molecular weight of 500 to 5000 are prepared by copolymerizing 35 to 65 mole percent acrylic or methacrylic acid with 65 to...
4709091 Production of polymaleic acid  
A polymer or copolymer of maleic acid is produced by neutralizing (I) maleic acid in an aqueous medium with (III) an alkali metal hydroxide or ammonia at a molar ratio of (I) to (III) in the range...
4670514 Production of hydrolyzed polymaleic anhydride  
The invention provides a process for the production of hydrolyzed polymaleic anhydride which comprises heating a reaction mixture comprising (a) maleic anhydride, (b) a reactive aromatic solvent,...
4670520 Method for modifying polyfumaric acid diester  
According to the invention, a method for modifying a polyfumaric acid diester is provided. The method comprises subjecting the polyfumaric acid diester to thermal treatment to thereby obtain a...
4663491 Copolymers of n-alkyl acrylates and maleic anhydride and their use as crystallization inhibitors for paraffin-bearing crude oils  
The invention relates to copolymers of esters of acrylic acid or methacrylic acid with unbranched alcohols that contain at least 16 C atoms, and maleic anhydride, and also the use of these...
4654395 Water-soluble polymer sheet for delivering laundry care additive and laundry care product formed from same  
An addition polymer of a water insoluble soft monomer, a water soluble anionic monomer and, optionally, a water soluble nonionic monomer and water insoluble hard monomer is neutralized to at least...
4647504 Dispersion of solvent-suspendible pressure sensitive adhesive particles and pressure sensitive adhesive sheet utilizing the properties of the dispersion  
A dispersion of solvent-suspendible pressure sensitive adhesive particles, which comprises (A) pressure sensitive adhesive particles comprising an internally cross-linked copolymer and having a...
4647396 Copolymers for detergents and cleaning agents  
The invention relates to copolymers as ingredients for detergents and cleaning agents, which contain monoethylenically unsaturated mono- and dicarboxylic acids, their hydroxyalkyl esters and, if...
4636258 Ink for thermal transfer printing  
An ink composition for thermal transfer printing of about 30 to 50 weight percent of a masterbatch including a pigment or dye uniformly dispersed in a copolymer of at least one of styrene and an...
4613646 Cleaning and polishing compositions  
A surface-treating water-in-oil emulsion composition, which is essentially wax-free, comprising water, hydrocarbon solvent, film-former, nonionic emulsifier and an alpha-olefin/maleic anhydride...
4611039 Wettable, gas permeable contact lens  
Wettable, oxygen and carbon dioxide permeable, optically clear contact lenses are made of a composition comprising styrene or a substituted styrene compound, an ethylenically polyunsaturated...
4605718 Polyaldehyde/polyacetal compositions  
Water-soluble monomers and water-soluble polymers derived therefrom are disclosed. These materials can be used with other vinyl monomers to form water-soluble polymers which are reactive with...
4595736 Thermally stable drilling fluid additive comprised of a copolymer of catechol-based monomer  
This invention relates to a water soluble polymer and method for its preparation. The water soluble polymer exhibits superior thermal stability characteristics when used as an additive in aqueous...
4585847 Curable molding compositions containing a half ester of an organic polyol  
Described herein are curable molding compositions comprising a mixture of: (a) a half ester of an organic polyol characterized by the following empirical formula: ##STR1## wherein n is a number...
4559159 Copolymers, their preparation and their use as assistants in detergents and cleansing agents  
Water-soluble copolymers which consist of from 40 to 90% by weight of one or more ethylenically unsaturated monocarboxylic acids of 3 to 5 carbon atoms, from 60 to 10% by weight of one or more...
4547559 Acrylate/maleate copolymers, their preparation and use as antiscalants  
Substantially homogeneous acrylate/maleate copolymers of number average molecular weight of 500 to 5000 are prepared by copolymerizing 35 to 65 mole percent acrylic or methacrylic acid with 65 to...
4543403 Curable composition  
A moisture curable composition comprising an acrylate or methacrylate polymer having a silicon functional group capable of causing crosslinking or chain extension by moisture, at least in molecular...
4517329 Polymeric antitumor agent  
The disclosure relates to pharmaceutically acceptable amide and imide derivatives of low molecular weight copolymers of chloroethyl vinyl ether and maleic anhydride having antitumor activity.
4510285 Terpolymeric antitumor agent  
The disclosure relates to pharmaceutically acceptable amide and imide derivatives of low molecular weight terpolymers of butyl vinyl ether, maleic anhydride and maleimide having antitumor activity.
Matches 251 - 300 out of 651 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >