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:
Dec. 01, 2020
Filed:
Nov. 10, 2016
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Georg Loessel, Emmerting, DE;
Manfred Meisenberger, Hochburg, AT;
Assignee:
WACKER CHEMIE AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/16 (2006.01); C08G 77/06 (2006.01);
U.S. Cl.
CPC ...
C08G 77/06 (2013.01); C08G 77/16 (2013.01);
Abstract
High hydroxyl-content organopolysiloxanes of low molecular weight are prepared in a continuous process by metering in alkoxysilanes and chlorosilanes in a weight proportion of 60:40 or more to a reaction mixture containing water and non-polar solvent, and continuously removing an organic phase containing organopolysiloxanes from the reaction mixture.