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:
Jul. 10, 2001
Filed:
Dec. 10, 1999
Applicant:
Inventors:
Hubertus Eversheim, Wermelskirchen, DE;
Ottfried Schlak, Köln, DE;
Assignee:
GE Bayer Silicones GmbH & Co. KG, Erkrath, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/08 ; C07F 7/10 ;
U.S. Cl.
CPC ...
C07F 7/08 ; C07F 7/10 ;
Abstract
Process for the preparation of organofunctional polysiloxanes, which comprises reacting cyclic dialkylsiloxanes with at least one compound of the type HO—R′—X, wherein X═—OH, —COOH, —NR″,—, —CR″═CR″,and R═alkyl, aryl, alkylene, oxyalkylene or arylene, in the presence of an equilibration catalyst.