Ultraviolet light screening resin composition

Details Ultraviolet light screening resin composition Ultraviolet light screening resin composition

1982-07-21

1984-02-14

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 89, 524109, 524111, 524217, 524222, C08K 520

Patent

active

044317620

ABSTRACT:
A resin composition containing at least one compound (A) selected from compounds of formulas ##STR1## wherein R.sub.1 and R.sub.2 each denote a hydrogen atom, halogen atom, or alkyl or alkoxy group having 1 to 10 carbon atoms, ##STR2## R.sub.3 denotes a hydrogen atom, alkyl group containing 1 to 10 carbon atoms, naphthyl group or substituent of formula ##STR3## wherein R.sub.4 to R.sub.8, which may be the same or different, each denote a hydrogen atom, halogen atom, nitro group and alkyl or alkoxy group having 1 to 10 carbon atoms.

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patent: 2653927 (1953-09-01), Graenacher et al.
patent: 2653928 (1953-09-01), Graenacher et al.
patent: 2911314 (1959-11-01), Armento et al.
patent: 2964494 (1960-12-01), Lappin et al.
patent: 3022268 (1962-02-01), Armitage et al.
patent: 3389004 (1968-06-01), Dressler et al.

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