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. 13, 2011
Filed:
Sep. 08, 2006
Applicant:
Hartmut Ackermann, Burghausen, DE;
Inventor:
Hartmut Ackermann, Burghausen, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Organopolysiloxanes are prepared in a multistage process by a first partial hydrolysis with from 0.002 to 0.6 mol water per hydrolyzable chlorine and alcohol at a water to alcohol ratio of 0.001 to 1.5, then further hydrolyzing with additional water, and then separating an aqueous alcoholic phase from an organopolysiloxane phase.