Chemische Werke Huls A.G.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chemische Werke Huls A.G..The latest application filed is for "method for preparing improved molding materials from coated fine particulate expandable styrene polymers and application of the coated products".

Company Profile

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Chemische Werke Huls A.G. - Marl DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
One-component, heat-curing polyurethane-coatings, stable in storage Grant 4,495,229 - Wolf , et al. January 22, 1	1985-01-22
Method for preparing improved molding materials from coated fine particulate expandable styrene polymers and application of the coated products Grant 4,495,224 - Rigler , et al. January 22, 1	1985-01-22
Process for the production of an elastomer-filler mixture optionally containing extender oils Grant 4,366,285 - Lukaschek , et al. December 28, 1	1982-12-28
Adducts of alcohols and olefin oxides, suitable for reducing the interfacial surface tension of oily phases with respect to water Grant 4,302,349 - Kosswig , et al. November 24, 1	1981-11-24
Reacting olefins with ozone in a carboxylic acid medium Grant 4,287,130 - Dohm , et al. September 1, 1	1981-09-01
Process for the simultaneous manufacture of pure MTBE and a substantially isobutene-free mixture of C.sub.4 -hydrocarbons Grant 4,282,389 - Droste , et al. August 4, 1	1981-08-04
Process for the preparation of copolymers useful as viscosity-raising agents Grant 4,212,785 - Turck July 15, 1	1980-07-15
Process for the manufacture of heat-stable, nuclear-brominated polystyrenes Grant 4,200,703 - Diebel , et al. April 29, 1	1980-04-29
Method of producing blocked polyisocyanates by reaction of an imidazoline with an isocyanate Grant 4,200,725 - Gras , et al. April 29, 1	1980-04-29
Process for washing textiles in an automatic washing machine, working substances and apparatus for its performance Grant 4,110,075 - Graf , et al. August 29, 1	1978-08-29
Coating Compositions Grant 3,852,375 - Biethan , et al. December 3, 1	1974-12-03

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