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:
Oct. 03, 2023
Filed:
Aug. 17, 2018
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Volker Stanjek, Ampfing, DE;
Lars Zander, Altoetting, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/08 (2006.01); C08G 18/71 (2006.01); C08G 18/22 (2006.01); C08G 18/38 (2006.01); C08G 18/77 (2006.01); C08G 77/26 (2006.01);
U.S. Cl.
CPC ...
C08G 18/718 (2013.01); C08G 18/227 (2013.01); C08G 18/3893 (2013.01); C08G 18/778 (2013.01); C08G 77/08 (2013.01); C08G 77/26 (2013.01);
Abstract
Silane-terminated polymers of the formula (I)Y—[Z—C(═O)—NR—(CR)—SiR(OR)]  (I),are produced by reacting at least one hydroxy-functional polymer (a), comprising at least one polyether, polyester and/or polyacrylate unit, with at least one compound having at least one isocyanate group, in the presence of at least one bismuth-containing catalyst (K), with the proviso that the reaction mixture comprises 50 to 250 ppm water at the start of the reaction.