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Patent Searching and Data


Title:
THIOPHOSPHINE COMPOUNDS AND METHOD OF MAKING POLYMERISABLE COMPOSITIONS CONTAINING THEM AND THEIR USE FOR MAKING OPHTALMIC LENSES
Document Type and Number:
WIPO Patent Application WO2004085447
Kind Code:
A3
Abstract:
The present invention relates in general to thiophosphine compounds (also named phosphine sulfide compounds) and their use for making polymerizable compositions which after polymerisation give optically transparent articles, such as ophthalmic lenses, having improved mechanical and optical properties and in particular having an improved UV cut.

Inventors:
JALLOULI AREF (US)
TURSHANI YASSIN (US)
WANIGATUNGA SIRISOMA (US)
RICKWOOD MARTIN (US)
Application Number:
PCT/EP2004/003142
Publication Date:
November 11, 2004
Filing Date:
March 24, 2004
Export Citation:
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Assignee:
ESSILOR INT (FR)
JALLOULI AREF (US)
TURSHANI YASSIN (US)
WANIGATUNGA SIRISOMA (US)
RICKWOOD MARTIN (US)
International Classes:
C07F9/50; C07F9/53; C08F26/06; C08G75/08; C08G79/02; G02B1/04; (IPC1-7): C08L81/04; C07F9/53; G02B1/04; C08G75/04
Domestic Patent References:
WO2002051911A12002-07-04
WO2002024786A22002-03-28
Foreign References:
EP1116735A12001-07-18
EP0394495A11990-10-31
EP0273661A11988-07-06
US4698448A1987-10-06
US4847419A1989-07-11
EP1326095A12003-07-09
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