The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2008
Filed:
Feb. 17, 2006
Jürgen Köcher, Langenfeld, DE;
Gerald Kurek, Leverkusen, DE;
Holger Casselmann, Odenthal, DE;
Jürgen Urban, Köln, DE;
Thomas Feller, Solingen, DE;
Jürgen Köcher, Langenfeld, DE;
Gerald Kurek, Leverkusen, DE;
Holger Casselmann, Odenthal, DE;
Jürgen Urban, Köln, DE;
Thomas Feller, Solingen, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
This invention relates to solutions of polyurethaneureas in γ-butyrolactone or mixtures of γ-butyrolactone with toxicologically acceptable organic solvents. A process for coating substrates using these polyurethaneurea solutions, and substrates coated by said process are also provided. The substrates coated according to the invention are preferably textile products or leather, but materials such as wood or concrete can also be coated according to the invention.