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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.:

US 10544283 B1

PDFFull Text
Date of Patent:
Jan. 28, 2020

Filed:

Mar. 11, 2016

Iso(thio)cyanate composition, and resin composition including same for optical member

Applicant:

Hoya Lens Thailand Ltd., Prachatipat, Thanyaburi, Patumthani, TH;

Inventors:

Masahisa Kousaka, Tokyo, JP;

Natsumi Tasaki, Tokyo, JP;

Assignee:

HOYA LENS THAILAND LTD., Pathumthani, TH;

Attorney:

Oliff PLC

Primary Examiner:

Hannah J Pak

Int. Cl.
CPC ...
C09K 5/00 (2006.01); C08K 5/521 (2006.01); G02C 7/02 (2006.01); C08G 18/38 (2006.01); C08G 18/76 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08K 5/521 (2013.01); C08G 18/3876 (2013.01); C08G 18/7642 (2013.01); G02B 1/041 (2013.01); G02C 7/02 (2013.01);
Abstract

An iso(thio)cyanate composition has excellent storage stability. The iso(thio)cyanate composition for an optical component includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2), a total amount of the phosphoric acid ester compounds being 1 ppm to 25,000 ppm, based on the mass of the iso(thio)cyanate compound.

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Kousaka, Masahisa. (2020). Iso(thio)cyanate composition, and resin composition including same for optical member (U.S. Patent No. 10544283). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10544283

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