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Inventor:
Rinno; Helmut
Address:
Hofheim am Taunus, DE
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
5006617 Emulsion polymers free from emulsifiers and protective colloids, a process for their preparation April 9, 1991
The preparation of polymers free from emulsifiers and protective colloids by the free-radical initiated emulsion polymerization of ethylenically unsaturated copolymerizable monomers, wherein the emulsion polymerization is carried out in the absence of emulsifiers and protective colloids,
4945146 Dispersion polymers processes for their preparation and their use July 31, 1990
The invention relates to dispersion polymers, processes for their preparation, and their use, and also active dispersion polymers (latex conjugates) prepared therefrom, the dispersion polymers being obtained by polymerizing compounds of the formula Iin whichn denotes 1-6;R.sub.1 denotes
4665142 Emulsion polymers free from emulsifiers and protective colloids, a process for their preparation May 12, 1987
The preparation of polymers free from emulsifiers and protective colloids by the free-radical initiated emulsion polymerization of ethylenically unsaturated co-polymerizable monomers, wherein the emulsion polymerization is carried out in the absence of emulsifiers and protective colloids
4610898 Process for bake coating the surfaces of solid substances September 9, 1986
Process for bake coating the surfaces of solid materials by applying the required amount of an aqueous dispersion to the surface to be coated, the dispersion containing, as the binder, a coarse-grained, crosslinkable dispersion copolymer formed from olefinically unsaturated monomers and,
4569965 Crotonate-containing copolymers, processes for their preparation and their use as thickeners in February 11, 1986
Copolymers prepared by emulsion or solution copolymerization, initiated by free radicals, of unsaturated copolymerizable monomers, the copolymers being built up from(a) 1-45% by weight of ethylenically unsaturated carboxylic acids,(b) 0.5-30% by weight of a surface-active crotonic acid ester
4558092 Aqueous dispersion of sulfo-containing polymers for cement additive applications December 10, 1985
An aqueous plastics dispersion is manufactured by copolymerization of several olefinically unsaturated monomers, one of them at least being free from amide and sulfo groups, one of them at least having an amide group and one of them at least having a sulfo group. Copolymerization is carr
4544689 Aqueous polyvinyl ester dispersion, process for its manufacture, and its use October 1, 1985
An aqueous polyvinyl ester dispersion having a solids content of 35 to 65 weight % and containing 3 to 12 weight % (relative to the total amount of dispersed particles) of polyvinyl alcohol and 2 to 70 weight % (relative to the total amount of dispersed particles) of a natural starch has
4492780 Process for the preparation of a polymer dispersion January 8, 1985
An aqueous polymer dispersion is prepared by polymerizing at least two different olefinically unsaturated monomers in an aqueous medium at a temperature of 30.degree. to 100.degree. C. and in the presence of a polymerization initiator which forms free radicals, an emulsifier, a prote
4418207 Acetylacetoxyalkyl-allyl ethers November 29, 1983
Unsaturated acetoacetic acid esters are suitable as comonomers in the polymerization of unsaturated compounds in an aqueous medium. Particularly suitable are acetylacetoxyalkyl-allyl ethers which may be synthesized in an easy manner and correspond to the formulae ##STR1## Said al
4405747 Aqueous polyvinyl ester dispersion, process for its preparation, and the use September 20, 1983
An aqueous polyvinyl ester dispersion having a solids content of 40 to 70 percent by weight and containing 3 to 15 percent by weight (relative to the total amount of polyvinyl ester and additive) of a polyvinyl alcohol and 5 to 60 percent by weight (relative to the total amount of polyvi
4357455 Process for the preparation of copolymers containing hydroxyl groups and the use thereof November 2, 1982
Process for preparing copolymers soluble in organic solvents and containing hydroxyl groups, by the polymerization and esterification of (a) at least one .alpha.,.beta.-olefinically unsaturated carboxylic acid with (b) at least one olefinically unsaturated copolymerizable monomer and (c)
4296226 Vinyl polymer with acetylacetoxy groups, process for its manufacture and an agent obtained there October 20, 1981
Vinyl polymers with acetylacetoxy groups form the basis of polymer dispersions which are used as binding agent dispersions in paints, particularly suitable vinyl polymers are obtained by polymerizing an acetylacetoxy compound together with a least one further olefinically unsaturated
4190573 Process for the isolation of the polyvalent proteinase inhibitor February 26, 1980
What is disclosed is a method for the isolation of the polyvalent proteinase inhibitor from aqueous extracts of animal organs by adsorbing the inhibitor from its aqueous solutions at pH 0.5 to 10.5 on an ion exchanger containing functional sulfonate or phosphonate groups and eluting
4146516 Thixotropic mixture March 27, 1979
Thixotropic mixture consisting of(a) one or several aqueous plastics dispersions containing a copolymer of .alpha.,.beta.-unsaturated compounds,(b) a hydroxyl groups-containing protective colloid,(c) a heavy metal chelate and(d) optionally further usual additives for the preparation of coating










 
 
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