Title of Invention

"POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, OPTICAL MATERIAL AND METHOD FOR MANUFACTURING OPTICAL MATERIAL"

Abstract Disclosed is a polymerizable composition for optical materials containing (a) an aromatic isocyanate, (b) a mercapto group-containing compound, and (c) a phosphorus-containing compound represented by the following general formula (1). (O=)nP-X3 (1) (wherein n represents an integer of 0 or 1. X represents a substituted or unsubstituted straight or branched alkyl group having 1 to 6 carbon atoms or the like. In the case where X is a substituted group, the substituted group represents a halogen atom or the like.)
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Documents:

http://ipindiaonline.gov.in/patentsearch/GrantedSearch/viewdoc.aspx?id=cPBe1S4itDjK4ubOkezfsg==&loc=+mN2fYxnTC4l0fUd8W4CAA==


Patent Number 279512
Indian Patent Application Number 4300/DELNP/2011
PG Journal Number 04/2017
Publication Date 27-Jan-2017
Grant Date 24-Jan-2017
Date of Filing 08-Jun-2011
Name of Patentee MITSUI CHEMICALS, INC.
Applicant Address 5-2, HIGASHI-SHIMBASHI, 1-CHOME, MINATO-KU, TOKYO 105-7117, JAPAN
Inventors:
# Inventor's Name Inventor's Address
1 AKINORI RYU C/O MITSUI CHEMICALS, INC, 30, ASAMUTACHO, OMUTA-SHI, FUKUOKA 836-8610, JAPAN
2 SEIICHI KOBAYASHI C/O MITSUI CHEMICALS, INC, 30, ASAMUTACHO, OMUTA-SHI, FUKUOKA 836-8610, JAPAN
PCT International Classification Number C08G 18/38
PCT International Application Number PCT/JP09/004279
PCT International Filing date 2009-09-01
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 2008-311983 2008-12-08 Japan