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:
Jul. 10, 2018
Filed:
Jun. 29, 2015
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Michael Stepp, Ueberackern, AT;
Herbert Koller, Emmerting, DE;
Assignee:
WACKER CHEMIE AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/21 (2006.01);
U.S. Cl.
CPC ...
C07F 7/21 (2013.01);
Abstract
Cyclic siloxanes are prepared economically by reaction of an alkali metal siliconate having a mol ratio of alkali metal cation to silicon of less than one or their hydrolysis/condensation products or mixture thereof, with a halosilane.