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:
Sep. 04, 2018
Filed:
Sep. 08, 2015
Nissan Chemical Industries, Ltd., Tokyo, JP;
Keisuke Shuto, Funabashi, JP;
Taku Kato, Funabashi, JP;
Junpei Kobayashi, Funabashi, JP;
Masayoshi Suzuki, Funabashi, JP;
NISSAN CHEMICAL INDUSTRIES, LTD., Tokyo, JP;
Abstract
A sealing material composition for LED has excellent heat-resistant transparency, adhesion, and crack resistance, and low sulfur gas permeability. A sealing material composition for LED has the following (A), (B), (C), and (D): (A): polysiloxane containing units (1-1), (1-2), and (1-3): wherein Ris Calkyl or Caryl, Ris hydrogen, Calkyl, or Si constituting main chain of polysiloxane as (A); (B): polysiloxane containing units (2-1), (2-2), and (2-3): wherein Rand Rare each hydrogen, Calkyl, or Si constituting main chain of polysiloxane as (B); (C): adhesive; and (D): condensation catalyst for silanol group.