Base for reflection-photographic elements

Details Base for reflection-photographic elements Base for reflection-photographic elements

1987-11-02

1989-07-11

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428402, 428480, 428913, 430512, 430533, 430DIG933, B32B 700

Patent

active

048471496

ABSTRACT:
A base for reflection-photographic elements is disclosed which has a biaxially stretched film support, said film comprising polyester resin and titanium dioxide, wherein said film contains at least one compound represented by the following general formula (I) or (II). ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom, an unsubstituted or substituted alkyl group, an alkoxy group, a dialkylamino group or an aryl group, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may cooperate to form a ring. ##STR2## wherein A represents --CH.dbd.CH--, ##STR3## and R.sub.6, R.sub.7, R.sub.8 and R.sub.9 each represents a hydrogen atom, a halogen atom, an unsubstituted or substituted alkyl group, an alkoxy group, a dialkylamino group or an aryl group, provided that R.sub.6 and R.sub.7, and R.sub.8 and R.sub.9 each may cooperate to form a ring.

REFERENCES:
patent: 4336326 (1982-06-01), Evans
patent: 4628025 (1986-12-01), Komaita et al.
"Optically brightened subbing for photographic materials" Research Disclosure Oct. '79 p. 573 by Bellinger et al.

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