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:
May. 14, 1991
Filed:
Jun. 22, 1989
Applicant:
Inventors:
Atsushi Togashi, Ichihara, JP;
Toshio Saruyama, Narashino, JP;
Assignee:
Toray Silicone Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 15 ; 528 31 ; 528 32 ; 525478 ; 42721336 ;
Abstract
This invention provides particulate catalyst compositions comprising a platinum-containing hydrosilation reaction catalyst and a polydiorganosilane exhibiting a softening point of from 50.degree. to 200.degree. C. The average particle size of the particulate does not exceed 100 micrometers, and the surface layer of the particulate is substantially free of said catalyst. Curable organopolysiloxane compositions containing the present catalyst compositions exhibit excellent storage stability.