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.

Date of Patent:
Aug. 17, 2021

Filed:

Jun. 19, 2018
Applicants:

Dow Silicones Corporation, Midland, MI (US);

Dow Toray Co., Ltd., Tokyo, JP;

Inventors:

Jong-Chan Park, Cheongju-si, KR;

Min-Hee Kwon, Haman-si, KR;

Yutaka Oka, Ichihara, JP;

Assignees:

DOW SILICONES CORPORATION, Midland, MI (US);

DOW TORAY CO., LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 83/04 (2006.01);
U.S. Cl.
CPC ...
C08L 83/04 (2013.01);
Abstract

Disclosed is a liquid silicone composition for transfer- or injection-molding optical parts. The liquid silicone composition comprises: (A) a linear organopolysiloxane having in a molecule at least two silicon-bonded Calkenyl groups and at least one silicon-bonded Caryl group; (B) an organopolysiloxane resin represented by a specific average unit formula; (C) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule; (D) a hydrosilylation reaction catalyst; and (E) a hydrosilylation reaction inhibitor.


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Park, Jong-Chan. (2021). Liquid silicone composition for transfer- or injection-molding optical parts, optical parts made therefrom, and a method thereof (U.S. Patent No. 11091636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11091636

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