Nova Patents
EP0374751A3

Water-soluble light-projecting materials

Abstract

Compounds of the formula I U (̵SOL) n '(I), where n 'is a number from 1 to 4, U is a radical of a UV absorber of the hydroxyphenylbenzotriazole, cinnamic acid or triazine type and SOL is a group of the formula Iamean. The symbols in formula Ia have the meaning given in claim 1. The compounds, some of which are new, are useful as light stabilizers, particularly for recording materials and inks for ink jet printing.

Term

Term ended

Projected expiry passed 15 December 2009, 16.8 years ago.

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Citations
DocumentRelationOfficeCategoryCited during
EP0075202A2CitesEuropean Patent Office (EPO)ASearch report
EP0165608A2CitesEuropean Patent Office (EPO)ASearch report
EP0272576A1CitesEuropean Patent Office (EPO)ADSearch report
EP0357545A2CitesEuropean Patent Office (EPO)ESearch report