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:
Jun. 23, 2020
Filed:
Nov. 02, 2016
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Georg Loessel, Emmerting, DE;
Frank Betschinger, Altoetting, DE;
Manfred Meisenberger, Hochburg, AT;
Assignee:
WACKER CHEMIE AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/06 (2006.01); C08G 77/16 (2006.01);
U.S. Cl.
CPC ...
C08G 77/16 (2013.01); C08G 77/06 (2013.01);
Abstract
Organopolysiloxanes having an OH content of 3.0-10.0% by weight are produced in a continuous process in which silanes of the formula IRSiRX  (I),in which with the proviso that 4−m=n+o, and that in at least 30 mol % of the silanes of the general formula I, n≠0 und o≠0, water, and water-insoluble non-polar solvent are metered in continuously into a reactor to form a reaction mixture and the reaction mixture is continuously discharged from the reactor.