Dispersion

Details Dispersion Dispersion

1987-01-12

1988-12-13

Thexton, Matthew A.

Compositions

Light transmission modifying compositions

Ultraviolet

430512, 106180, F21V 906

Patent

active

047909595

ABSTRACT:
A dispersion of oil globules which contains an ultra-violet absorber and a high-boiling solvent is disclosed. The UV absorber is a mixture of 15 to 45 wt % of a compound of formula (I) and 85 to 55 wt % of a compound of formula (II): ##STR1## (wherein R.sub.1 and R.sub.2 each represents an alkyl group having 1 to 4 carbon atoms; X is a hydrogen atom, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group or an aryl group); ##STR2## (wherein R.sub.3 and R.sub.4 each represents an alkyl group, provided that the total number of carbon atoms in the alkyl groups represented by R.sub.3 and R.sub.4 is 9 or more; Y is a hydrogen atom, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group or an aryl group).

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patent: 3533794 (1970-10-01), Ohi et al.
patent: 3738837 (1973-06-01), Kuwabara et al.
patent: 3892889 (1975-07-01), Cohnen et al.
patent: 3936305 (1976-02-01), Hiraishi et al.
patent: 4077971 (1978-03-01), Fujita et al.

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