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WO/1995/033782A1 |
A function-containing fluoroolefin represented by the following general formula: CH2 = CFCF2-Rf6-(CH2)k-X2 (wherein X2 represents -CH2OH, (a) or (b); Rf6 represents C1-C40 fluoroalkyl or -ORf7; Rf7 represents C1-C40 fluoroalkylene or C3-...
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WO/1995/029941A1 |
Polymer composition obtained by polym�rization of a polymerizable composition comprising: at least 50 % by weight of a monomer or a mixture of monomers of formula (I) wherein X is formula (II) and R and R' are H or CH3; 0-50 % by weigh...
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WO/1995/029959A1 |
A composition comprising: (a) at least one olefinic monomer (A), (b) at least one polymer of at least one olefinic monomer, (c) an indicator dye to the basic structure of which an olefinic polymerisable group is covalently bonded directl...
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WO/1995/028213A1 |
The invention relates to a stable aqueous dispersion of particles which can be flocculated by increasing the temperature to a value above the transition temperature. The invention is characterized in that the dispersion comprises a polym...
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WO/1995/017456A1 |
ahis invention relates to a 1-8 % crosslinked terpolymer of alkyl vinyl ether, maleic anhydride and a C10 to C20 alkyl (meth)acrylate in a critical molar ratio of from 1-3:1:0.01-0.08, which polymer has a pH of from about 4 to about 11, ...
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WO/1995/016431A1 |
A cosmetic containing, as the cutaneous indigenous bacterium growth accelerator component, triolein and yeast extract, and further optionally L-cysteine hydrochloride.
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WO/1995/013861A1 |
A separation method comprising the steps: (i) contacting an aqueous liquid that contains a dissolved substance that is to be enriched with a polymer under conditions allowing selective partition of said substance to said polymer, whereaf...
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WO/1995/012624A1 |
Packaging material comprising at least one polymer-based film with (i) unsaturated alcohol-derived units and (ii) vinyl ester-derived units, so that the resulting oxygen permeability, measured at 23 �C and at 100 % relative humidity, i...
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WO/1995/010541A1 |
A perfluorocarbon copolymer having functional groups is produced by dispersing a perfluorocarbon monomer having a functional group, represented by the following general formula (1): CF2 = CF-O-(CF2CF(CF3)-O)n-(CF2)m-Z, in water in the fo...
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WO/1995/006074A1 |
Water-soluble copolymerizates are disclosed containing carboxyl groups, and also containing the following components incorporated by polymerization: (a) 30 to 80 mol % monoethylenically unsaturated C3-C8 carboxylic acids, anhydrides ther...
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WO/1994/027290A1 |
A magnetic recording medium having a magnetic layer on one surface of a nonmagnetic support and a back coat layer on the other surface, wherein the back coat layer contains two kinds of carbon black having different average particle size...
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WO/1994/025433A1 |
Described is a compound of formula (I) in which A is an n-valent organic group and n is an integer greater than 1.
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WO/1994/020547A1 |
A water-absorbent resin particle that exhibits a centrifuged absorption capacity of 26 g/g or greater, an absorption under load of 24 g/g or greater at 0.6 psi load. Other aspects of the invention are processes for the preparation of suc...
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WO/1994/020573A2 |
A method for producing stabilized polymers, exhibiting enhanced thermal stability, which comprises polymerizing a mixture comprising: a monomer comprising an allyl-containing group which is bonded to primary and/or secondary hydroxyl gro...
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WO/1994/015978A1 |
The invention concerns biodegradable polymers made from a) monoethylenically unsaturated dicarboxylic acids and/or their salts; b) monoethylenically unsaturated monocarboxylic acids and/or their salts; c) singly unsaturated monomers whic...
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WO/1994/014738A1 |
Described are monomers of the formula (I) (e.g. 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) plus copolymers prepared from such monomers and from one or more monomers copolymerizable with them. Such compounds are suitable for use in ...
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WO/1994/014741A1 |
Disclosed herein are novel monomers of the formula CF2 = CF(CF2)nCH2OCF = CF2, wherein n is 1,2 or 3, and novel intermediates of the formula CF2C1CFCl(CF2)nCH2OCF = CF2 wherein n is 1, 2 or 3. Also disclosed is a fluoro-polymer containin...
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WO/1994/013716A1 |
The invention concerns copolymers made up of (a) 20-60 % by wt. of ethylenically unsaturated monomers with acid groups, (b) 40-80 % by wt. of ethylenically unsaturated glycerin derivatives in which one of the glycerin hydroxyl groups is ...
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WO/1994/007929A1 |
An improved process for the polymerization of fluoromonomers to fluoropolymers which comprises using as a chain transfer agent the compound Y(CF2)mCH2CH2I, wherein m is 3 to 12, and Y is F or -CH2CH2I.
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WO/1994/007274A1 |
An ion exchange membrane or ion exchange membrane/electrode assembly having increased efficiency in proton exchange processes as the result of membrane hydration processing comprising heating a hermetically sealed membrane or membrane/el...
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WO/1994/003505A1 |
The present invention relates to a rapidly curable, silicone-free release coating composition comprising (a) between about 50 and about 95 wt. % of a vinyl ether having the formula: CnH2n+1O-CH=CH2, wherein n has a value of from 8 to 20,...
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WO/1994/003503A2 |
A fluoroorganic polymeric material which comprises a polymeric chain and at least one group pendent from the polymeric chain, in which the group pendent from the polymeric chain comprises at least one ion-exchange group or group converti...
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WO/1994/003575A1 |
Deflocculating polymer having hydrophilic backbone and one or more hydrophobic side chains, being a block copolymer having alternating hydrophobic and hydrophilic groups, or having nonionic monomers and ionic monomers, comprising monomer...
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WO/1994/000502A1 |
Homopolymers prepared from diunsaturated mono- or polyhaloperfluoro or perfluoro ethers, and copolymers prepared from two or more of such ethers, or one or more of such ethers and one or more other ethylenically unsaturated monomers; and...
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WO/1993/023444A1 |
Novel block copolymers comprising from 20 to 95 mole % of monomer units derived from itaconic acid or a homologue thereof and from 5 to 80 mole % of monomer units derived from vinyl alcohol or a lower vinyl ester are excellent binders of...
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WO/1993/023445A1 |
Copolymers contain, as characteristic polymerized monomer units, (a) 2 to 50 mol % vinylalkylether with 3 to 30 C atoms in the molecule; (b) 10 to 88 mol % monoethylenically unsaturated dicarboxylic acid anhydrides and (c) 10 to 88 mol %...
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WO/1993/022379A1 |
The mechanical properties of cured perfluoroelastomers are enhanced by incorporating into compounds of uncured perfluoropolymer a fluoropolymer containing a hydroxyl group. The modified fluoropolymer can be either a fluoroplastic or a fl...
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WO/1993/022374A1 |
A process is disclosed for stabilising copolymers of maleic acid or maleic anhydride and vinyl alkyl ethers so that they do not lose their molecular weight in an aqueous solution or in a solution of organic solvent. For that purpose, 0.0...
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WO/1993/020155A1 |
A radiation curable coating composition comprising acrylate oligomers and monomers, vinyl ether monomers, and a free radical photoinitiator. The vinyl ether monomers replace N-vinyl-pyrrolidone or other undesirable reactive diluents whil...
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WO/1993/019126A1 |
A process for the production of an ethanol solution of an ethyl or butyl alkyl half-ester copolymer of maleic anhydride and an alkyl vinyl ether which comprises: (a) copolymerizing the monomers in acetone as solvent by simultaneously fee...
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WO/1993/010160A1 |
The invention concerns fluoropolymers with enhanced heat stability and improved resistance to deformation when hot. The fluoropolymers are made from fluoroethylenes, using as comonomers perfluoro cylcoalkyl vinyl ethers and, optionally, ...
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WO/1993/006142A1 |
The invention concerns copolymers of hydroxyalkyl vinyl ethers obtained by the cation-initiated or radical-initiated copolymerization of: (a) 99 to 1 % by wt. of hydroxyalkyl vinyl ethers; (b) 1 to 99 % by wt. of the addition products fo...
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WO/1993/002119A1 |
What is provided is a composition for cationic polymerization of vinyl ethers without color formation. The composition includes a defined additive comonomer to inhibit the formation of undesired colored materials during polymerization wi...
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WO/1993/002117A1 |
What is provided herein is a sunscreen composition consisting essentially of a crosslinked, neutralized terpolymer of maleic anhydride, a C1-C5 alkyl vinyl ether and a C12-C14 alpha-olefin monomer as a thickener; water; an ultraviolet su...
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WO/1993/001220A1 |
A process for the manufacture of benzene-free maleic anhydride/lower alkyl vinyl ether polymer having a specific viscosity ranging from about 1.0 to about 5.5 by premixing maleic anhydride and the alkyl vinyl ether in a mole ratio of bet...
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WO/1992/020720A1 |
Perfluoroelastomers characterized by low molecular weight and freedom from color-forming impurities can be prepared by pyrolysis techniques, and are useful in pellicle coatings and other optical applications.
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WO/1992/016565A1 |
The subject invention pertains to large particle size, attrition-resistant, continuous, but wrinkled, high surface area aqueous fluid absorbent polymers, preferably of a crosslinked acrylic acid or acrylate. These absorbents have absorpt...
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WO/1992/005221A1 |
This invention relates to superior bioadhesive compositions having time extended adhesive properties comprising a non-toxic carrier and a polymer having between about 45 and about 70 weight % of units having the structure (A). between ab...
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WO/1992/004383A1 |
This invention relates to a coating composition which can be cured by exposure to radiation energy in the presence of a cationic photoinitiator. The composition comprises a mixture of between about 1 and about 75 wt. % of a reactive viny...
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WO/1992/004405A1 |
What is described herein is a process for making ethanol solutions of alkyl half-esters of copolymers of maleic anhydride and a C1-C4 alkyl vinyl ether which are benzene and acetone-free. The invention is characterized by (a) precharging...
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WO/1992/002564A1 |
What is described herein is a process for making a copolymer of high specific viscosity by polymerisation of maleic anhydride and a C¿1?-C¿4? alkyl vinyl ether monomer. The invention involves polymerizing said monomers to form a slurry...
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WO/1991/018859A1 |
Trifluorovinyl ethers containing selected functional groups, and homo- and copolymers prepared from them, are disclosed, as well as intermediates useful in the preparation of the ethers.
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WO/1991/018024A1 |
What is described herein is a process for making copolymers of maleic anhydride and C1-C4 alkyl vinyl ethers of predetermined specific viscosities extending over a wide viscosity range. The invention is characterized by (a) precharging a...
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WO/1991/015526A2 |
The invention provides acrylamide polymers that, when mixed with water solvent, provide thermoreversible solutions that form low viscosity melts at temperatures separated by a third region of maximum viscosity.
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WO/1991/014198A1 |
An electrochromic device (10) incorporating an electrochromic material (13) and a perfluorosulfonic acid polymer ion conducting layer (14) interposed between a working electrode (12) and a counter electrode (15), characterized by the fea...
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WO/1991/010689A1 |
A polymerization process is described herein for making crosslinked copolymers of maleic anhydride and an alkyl vinyl ether characterized in that polymerization is carried out in a solvent system which is a mixture of a carboxylic acid e...
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WO/1991/007449A1 |
Polymers comprising recurring units represented by structures (1), (2) and (3), where R?1¿, R?2¿, D, J, Y, a, b, and c are as defined herein are useful for controlling wandering of filter dyes in photographic elements.
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WO/1991/006584A1 |
A fluorocopolymer composed of 40 to 60 mole % of fluorolefin units, 25 to 55 mole % of vinyl ester or ether units and 5 to 25 mole % of hydroxylated vinyl ether units, wherein the intrinsic viscosity as measured in an uncured state in te...
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WO/1991/003521A1 |
The invention relates to polymers containing units of the structure (A) and (B) or (B-1) or (B-2), or mixtures of A with more than one of B, B-1 and B-2; wherein R and R1 are each independently C1 to C18 alkyl; R2 is oxygen, sulfur or -N...
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WO/1991/002094A1 |
Copolymerizates obtained by radical copolymerization of (a) C�8? to C�40? alkyl vinyl ethers, possibly mixed with up to 50 mol-% of C�8? to C�40? monoolefins, with (B) ethylenically unsaturated C�4? to C�8? dicarboxylic acid ...
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