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:
Mar. 15, 2016
Filed:
Jul. 02, 2013
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Tobias Halbach, Munich, DE;
Juergen Stohrer, Pullach, DE;
Bernhard Rieger, Elchingen, DE;
Christian Anger, Munich, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 7/18 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
C07F 7/1868 (2013.01); C07F 7/0834 (2013.01); C07F 7/184 (2013.01); C07F 7/1892 (2013.01);
Abstract
Oxasilacycles are prepared by the intramolecular condensation of silanes bearing Si-bonded hydrogen and ethylenically unsaturated radicals in the presence of a triorganoborane, aminoborane complex, or phosphine-borane complex as a hydrosilylation catalyst. Spirocyclic oxasilacycles, and alkoxy-substituted oxaspirocycles with quaternary substitution of a C atom adjacent to oxygen may be prepared.