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. 11, 2003
Filed:
Mar. 05, 2002
Hydrosilyation cured silicone resin containing colloidal silica and a process for producing the same
Applicant:
Inventors:
Zhongtao Li, Midland, MI (US);
Frederick J. McGarry, Weston, MA (US);
Dimitris E. Katsoulis, Tokyo, JP;
John R. Keryk, Midland, MI (US);
Debora F. Bergstrom, Midland, MI (US);
Kermit S. Kwan, Midland, MI (US);
Bizhong Zhu, Midland, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/36 ; C08G 7/706 ;
U.S. Cl.
CPC ...
C08K 3/36 ; C08G 7/706 ;
Abstract
A hydrosilylation reaction curable composition including a silsesquioxane polymer, a cross-linking compound, a hydrosilylation reaction catalyst and colloidal silica having a surface coating formed thereon. The curable composition is cured to form a cured resin having high fracture toughness and strength without the loss of elastic modulus and glass transition temperature.