Light screening compositions

Details Light screening compositions Light screening compositions

1998-12-23

2000-01-25

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25124, C07D25170

Patent

active

060180447

ABSTRACT:
The present invention concerns new s-triazines of the formula ##STR1## wherein W.sup.1, W.sup.2 and W.sup.3 each independently signifies C.sub.1 -C.sub.20 alkyl or a group SpSil;

REFERENCES:
patent: 4617390 (1986-10-01), Hoppe et al.
patent: 5053290 (1991-10-01), Canivenc
patent: 5185445 (1993-02-01), Meuwly et al.
patent: 5233040 (1993-08-01), Raspanti
patent: 5786475 (1998-07-01), Fuso et al.

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