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Title:
METHOD OF PREPARING MOULDED ARTICLES BY MEANS OF PHOTOPOLYMERISATION IN VISIBLE OR NEAR-ULTRAVIOLET LIGHT
Document Type and Number:
WIPO Patent Application WO2004070427
Kind Code:
A3
Abstract:
The invention relates to a method using visible and/or near-ultraviolet light for the photopolymerisation of a composition free from mineral particles, comprising at least one photopolymerisable monomer and at least one photoinitiator which is selected from suberone derivatives and mixtures of an alpha -diketone and an organic peroxide. The invention is suitable for use in the production of ophthalmic lenses.

Inventors:
GROTZINGER CAROLINE (FR)
BURGET DOMINIQUE (FR)
FOUASSIER JEAN-PIERRE (FR)
RICHARD GILLES (FR)
PRIMEL ODILE (FR)
YEAN LEANIRITH (FR)
Application Number:
PCT/FR2004/050041
Publication Date:
September 16, 2004
Filing Date:
February 03, 2004
Export Citation:
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Assignee:
ESSILOR INT (FR)
GROTZINGER CAROLINE (FR)
BURGET DOMINIQUE (FR)
FOUASSIER JEAN-PIERRE (FR)
RICHARD GILLES (FR)
PRIMEL ODILE (FR)
YEAN LEANIRITH (FR)
International Classes:
C08F2/50; C08F22/10; (IPC1-7): C08F2/50; C08F22/10
Domestic Patent References:
WO1999007757A11999-02-18
Foreign References:
EP0448978A21991-10-02
EP0090493A21983-10-05
DE3927480A11991-02-21
Other References:
See also references of EP 1592716A2
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