Naphthyltriazines as stabilizers for organic material

Details Naphthyltriazines as stabilizers for organic material Naphthyltriazines as stabilizers for organic material

2006-08-08

2006-08-08

Balasubramanian, Venkataraman (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C544S213000, C544S217000, C524S100000, C252S380000

Reexamination Certificate

active

07087753

ABSTRACT:
Novel compounds of formula I are describedwhereinE corresponds to the formulaor to the formulaand the radicals R1, R2, R11, R22, R′22, R′33and R′33are as defined in claim1. Compounds of formula I are suitable for stabilizing organic material, especially plastics materials, surface-coatings, cosmetic preparations, sun protection agents or photographic material, against damage by light, oxygen and/or heat.

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