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:
Nov. 05, 2013
Filed:
May. 02, 2011
Applicants:
Christof Brehm, Burghausen, DE;
Robert Schroeck, Altoetting, DE;
Inventors:
Christof Brehm, Burghausen, DE;
Robert Schroeck, Altoetting, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for preparing emulsions of organopolysiloxanes (O), which includes polymerizing: (1) 100 parts by weight of hydroxyl-terminated organopolysiloxanes and (2) at least 0.01 part by weight of trialkylsilyl-terminated organopolysiloxanes having a viscosity of at least 55 mm/s in the presence of (3) acidic catalyst and (4) emulsifier in an aqueous medium until the desired molecular size is reached.