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:
Jun. 08, 2021
Filed:
Jun. 28, 2019
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Tomoyuki Mizunashi, Annaka, JP;
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Abstract
A curable organosilicon resin composition is provided comprising (A) an organopolysiloxane of block polymer structure consisting of 30 to 80 mol % of RSiO, 10 to 70 mol % of (R)SiOand 0 to 30 mol % of (R)SiOunits, having Mw of 5,000-100,000, and containing at least a part of the (R)SiOunit having an average number of 3 to 80 repetitions, at least two silicon-bonded alkenyl groups per molecule, 0.001 to 1.0 mol/100 g of silicon-bonded hydroxyl groups, and up to 1.0 mol/100 g of silicon-bonded alkoxy groups, (B) an organohydrogenpolysiloxane containing at least two SiH groups and at least one silicon-bonded aryl group per molecule, and (C) a hydrosilylation catalyst.