| Patent Number |
Title Of Patent |
Date Issued |
| 5314721 |
Process for sizing paper |
May 24, 1994 |
| The new vinyl polymer dispersions are obtainable by free radical polymerisation of olefinically unsaturated monomers in the presence of a cationic polyamidoamine which has been rendered hydrophobic, and can be used as sizing agents for paper which are distinguished, in particular, by |
| 5288787 |
Emulsion polymers |
February 22, 1994 |
| Emulsion polymers obtainable by emulsifying a mixture consisting ofA) 5 to 95 % by weight of at least one monomer from the series consisting of acrylonitrile, methacrylonitrile, optionally substituted styrene, vinyl carboxylate andB) 5 to 95 % by weight of acrylic and/or methacrylic esters,t |
| 5258466 |
Paper size |
November 2, 1993 |
| Emulsion polymers which are prepared by free-radical polymerisation of monomers in the presence ofa) polymers of the formulae ##STR1## wherein the radicals have the meanings given in the description, and b) low-molecular anionic emulsifiers,are outstandingly suitable as surface size |
| 5013794 |
Polymers of diisobutylene-sulfonate alkane maleic acid derivatives |
May 7, 1991 |
| Polymers obtainable by subjecting at least one monomer, polymerizable by free radicals, to a free-radical emulsion polymerization in the presence of a polymer of the formulae I and/or II ##STR1## in which M, n, R, R.sup.1, R.sup.2, x and y have the meanings mentioned in the descr |
| 4931510 |
Polymers from ethylenic monomers |
June 5, 1990 |
| Polymers obtainable by subjecting at least one monomer, polymerizable by free radicals, to a free-radical emulsion polymerization in the presence of a polymer of the formulae I and/or II ##STR1## in which M, n, R, R.sup.1, R.sup.2, x and y have the meanings mentioned in the descr |
| 4904727 |
Emulsion polymers |
February 27, 1990 |
| Emulsion polymers obtained by emulsifying a monomer mixture of(A) 5-95% by weight of acrylonitrile, methacrylonitrile and/or substituted or unsubstituted styrene and(B) 5-95% by weight of acrylic and/or methacrylic acid esters containing 1-12 carbon atoms in the alcohol group,the sum of comp |
| 4806591 |
Cationic sizing agents for paper |
February 21, 1989 |
| Cationic sizing agents for paper, obtainable by a process in which a water-soluble cationic terpolymer compound, built up in a chemically uniform manner, of (a) 7 to 40% by weight of N,N-dimethylaminoethyl acrylate and/or methacrylate, (b) 40 to 80% by weight of styrene and (c) 4 to |
| 4784727 |
Sizing agent and use thereof |
November 15, 1988 |
| A sizing agent which contains from 1 to 60 parts, by weight, of a fixing and sizing accelerating agent and from 0 to 80 parts, by weight, of conventional auxiliaries per 10 parts by weight of hydrophobic, cellulose-reactive sizing materials, the fixing and sizing accelerating agent b |
| 4771097 |
Tub sizes for paper |
September 13, 1988 |
| Tub sizes for paper, containing aqueous or aqueous-alcoholic alkali metal, amine or ammonium salt solutions of copolymers of maleic anhydride and diisobutylene and, if appropriate, a vinyl monomer of the formula ##STR1## in which R designates H, --CH.sub.3, --C.sub.2 H.sub.5, --OR.su |
| 4670100 |
Aqueous solutions or dispersions of polyisocyanate addition products, a process for their prepar |
June 2, 1987 |
| The present invention relates to aqueous solutions or dispersions of polyisocyanate addition products which contain about 2 to 300 milliequivalents per 100 g of solids of chemically incorporated ternary or quaternary ammonium groups and up to about 25% by weight, based on solids, of |
| 4659431 |
Cationic sizing agent for paper, and a process for its preparation |
April 21, 1987 |
| New, highly effective cationic sizing agents for paper have been provided. They can be obtained by a method in which a water-soluble cationic chemically pure terpolymer compound consisting of(a) 7-40% by weight of N,N-dimethylaminoethyl acrylate and/or methacrylate,(b) 40-80% by weight of st |
| 4616061 |
Aqueous solutions or dispersions of polyisocyanate addition products, a process for the producti |
October 7, 1986 |
| The present invention relates to aqueous solutions or dispersions of polyisocyanate addition products, which contain a quantity of incorporated sulphonate and/or carboxylate groups and optionally ethylene oxide units, --CH.sub.2 --CH.sub.2 --O--, incorporated in a polyether chain to |
| 4614759 |
Surface sizing agents for paper |
September 30, 1986 |
| Surface sizing agents for paper containing aqueous or aqueous-alcoholic alkali metal, amine or ammonium salt solutions of copolymers of maleic anhydride and diisobutylene and, if appropriate, a vinyl monomer of the formula ##STR1## in which R designates H, --CH.sub.3, --C.sub.2 H |
| 4614546 |
Sizes based on ketene dimers |
September 30, 1986 |
| New aqueous sizes, in particular paper sizes, are made available which contain(a) ketene dimers of the formula ##STR1## in which R.sub.1 and R.sub.2 can be identical or different and represent hydrocarbon radicals having 6 to 30 carbon atoms,(b) amine-modified starch,(c) hydrophobic |
| 4596863 |
N-alkylimide copolymers and their use as sizing agents |
June 24, 1986 |
| The present invention relates to new copolymers based on maleic anhydride/.alpha.,.beta.-unsaturated compounds and characterized in that they consist of(A) 10 to 40 mol percent of the structural element ##STR1## (B) 40 to 80 mol percent of the structural element ##STR2## and |
| 4568421 |
Monofluorotriazinyl compounds, processes for their preparation and their use as sizing agents |
February 4, 1986 |
| New monofluorotriazinyl compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 can be identical or different and represent a hydrocarbon radical with 12 to 24 C atoms andX represents an oxygen atom, a sulphur atom or the group NR.sup.3,whereinR.sup.3 denotes hydrogen or a hydrocar |
| 4568391 |
Sizing agents |
February 4, 1986 |
| The invention provides new sizing agents, in particular for paper, which contain chloroformic acid esters of ester alcohols and/or carboxamide alcohols.The chloroformic acid esters in question preferably have the following idealized structure:whereinX=an oxygen atom or an NH radical,R=an |
| 4499153 |
Sizes |
February 12, 1985 |
| New products having excellent sizing action, in particular on paper are obtained by reacting .alpha.,.beta.-unsaturated carboxylic acids or their reactive derivatives (such as, for example, esters or anhydrides) with amide-amines of higher carboxylic acids at temperatures above 120.degre |
| 4481319 |
Low-foam surface sizing agents for paper which contain copolymeric _maleic anhydride semi-amides |
November 6, 1984 |
| Low-foam surface sizing agents for paper in the form of aqueous or aqueous-alcoholic alkali metal, amine or ammonium salt solutions of copolymers containing carboxylic acid semi-amide groups obtainable by reacting copolymers of maleic acid anhydride and diisobutylene and/or terpolyme |
| 4434269 |
Cationic sizing agent for paper and a process for the preparation thereof |
February 28, 1984 |
| Cationic sizing agents for paper in the form of an aqueous colloid-disperse solution having average particle diameters of from 15 to 200 nm are obtained by dissolving a water-soluble cationic, chemically uniformaly composed terpolymer compound of:(a) from 7 to 40% by weight of N,N-dimeth |
| 4418175 |
Cationic sizing agents for paper |
November 29, 1983 |
| The aqueous solution of a statistical terpolymer containing quaternized amino groups and having a regular chemical structure of(a) from 8 to 20%, by weight, of N,N-dimethylaminoethyl acrylate and/or N,N-dimethylaminoethyl methacrylate;(b) from 45 to 80%, by weight, of styrene; and(c) from 8 |
| 4381367 |
Sizing agents for paper and a process for the production thereof |
April 26, 1983 |
| Paper sizing agents in the form of an aqueous preparation of maleic acid anhydride copolymers of which the anhydride groups had been reacted either with organic or inorganic bases or with primary-tertiary diamines and the reaction products subsequently reacted with epichlorohydrin or wit |
