Dieter Hille has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: The invention relates to aqueous dispersions based on a polyurethane synthetic resin which has been obtained by reacting a hydroxyl-containing unsaturated polyester with a diisocyanate and reacting the product with a dihydroxycarboxylic acid, dihydroxysulfonic acid, diaminocarboxylic acid or diaminosulfonic acid, neutralizing the intermediate product with a tertiary amine and transferring it into an aqueous phase, and then reacting the terminal isocyanate groups with a primary and/or secondary diamine, as a chain-lengthening agent. The dispersions contain hydrolyzed shellac as second binder component. They produce coatings having excellent solvent resistance and excellent adhesion, even to difficult substrates.
Abstract: A water-dilutable coating agent for preparing the base layer of a multilayer coating. The coating agent contains pigments and optionally flow-control agents, thixotroping agents, fillers, organic solvents and other customary auxiliaries.
February 18, 1983
Date of Patent:
December 18, 1984
BASF Farben & Fasern AG
Hermann-Josef Drexler, Franz Ebner, Hans-Dieter Hille, Ulrich Roth