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:
Oct. 26, 1993
Filed:
Feb. 18, 1993
Applicant:
Inventors:
Takuya Ogawa, Kanagawa, JP;
Toshio Suzuki, Kanagawa, JP;
Assignee:
Dow Corning Japan, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525477 ; 528 33 ; 528 34 ; 528 39 ;
Abstract
The present invention is a novel method for the manufacture of branched polysiloxanes having the polysiloxane SiO.sub.4/2 unit as the branch center precisely bonded to one end of a diorganopolysiloxane. The present invention concerns a method for the manufacture of a branched polysiloxane characterized by reacting alinear polysiloxane with a reactive polysiloxane having halogen substitution.