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:
Jan. 23, 1996
Filed:
Feb. 09, 1995
Applicant:
Inventors:
Israel Cabasso, Syracuse, NY (US);
Daniel Graiver, Midland, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 23 ; 525100 ;
Abstract
A process for the rearrangement of polyorganosiloxanes using solid sulfonated polyethylene as a rearrangement catalyst. The process comprises contacting polyorganosiloxanes at a temperature within a range of about 20.degree. C. to 110.degree. C. with a rearrangement catalyst consisting essentially of a solid sulfonated polyethylene. In a preferred process, the solid sulfonated polyethylene is in the form of hollow fibers through which the polyorganosiloxanes are passed to effect rearrangement.