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:
May. 24, 2005
Filed:
Jul. 30, 2001
Applicants:
Ulrich Gerber, Uitikon-Waldegg, CH;
Werner Meyer, Zollikon, CH;
Paul Schelbert, Ottenbach, CH;
Inventors:
Assignee:
Sika Schweiz AG, Zurich, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G063/16 ;
U.S. Cl.
CPC ...
Abstract
A reactive polyester polyol is described that is obtainable by half ester formation starting from at least one dicarboxylic anhydride and at least one hydroxyl group carrying, saturated or unsaturated fatty acid and/or a respective ester, in particular castor oil and/or ricinoleic acid, as well as final esterification by at least one polyol.