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. 09, 2010
Filed:
Aug. 07, 2008
Applicants:
Arndt Brückner, Mülheim a.d. Ruhr, DE;
Carsten Schiller, Mülheim a.d. Ruhr, DE;
Christian Mund, Essen, DE;
Inventors:
Arndt Brückner, Mülheim a.d. Ruhr, DE;
Carsten Schiller, Mülheim a.d. Ruhr, DE;
Christian Mund, Essen, DE;
Assignee:
Evonik Goldschmidt GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 77/06 (2006.01); C08G 77/04 (2006.01); C08G 77/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of branched siloxanes containing R—SiOunits, where R=organic radical, wherein straight-chain polysiloxanes containing silane hydrogen in the polymer chain are reacted in the presence of ammonium or metal carboxylates as a catalyst in the absence of hydroxy-functional organic compounds, and to siloxanes thus prepared and the use thereof in the preparation of polyurethane foams and antifoam formulations.