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:
Dec. 09, 2014
Filed:
Jun. 08, 2011
Daiji Hara, Kanagawa, JP;
Masato Shimizu, Kanagawa, JP;
Daiji Hara, Kanagawa, JP;
Masato Shimizu, Kanagawa, JP;
Tosoh Corporation, Yamaguchi, JP;
Abstract
A material suitable for sealing an LED element or for a gas barrier layer for a resin component, and an LED device, an FPD device and a semiconductor device using it. A process for producing a polymer composition, which includes mixing and reacting as component (A), an unsaturated group-containing siloxane compound of the following formula (1): wherein the siloxane structure is a chain or cyclic structure, as component (B), a siloxane compound having a structure of the following formula (2) wherein hydrogen is directly bonded to silicon, wherein the siloxane structure is a chain or cyclic structure, as component (C), at least one member selected from the group consisting of organic metal compounds of Group 1, 2, 12, 13 and 14 metals of the periodic table, and as component (D), a metal catalyst of Group 8, 9 or 10 metal of the periodic table.