Photographic element with improved slip

Details Photographic element with improved slip Photographic element with improved slip

1975-07-15

1977-08-16

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 50PL, 96 67, 96 84R, 96 94R, G03C 178, G03C 196, G03C 176

Patent

active

040423999

ABSTRACT:
Photographic elements with surfaces having improved slip are produced by incorporating in a surface layer a polyester of the formula --O--CO--(CH.sub.2).sub.n --CO--O--R-- wherein n = 1-8 and R is selected from certain aliphatic or hydroaromatic groups.

REFERENCES:
patent: 2698239 (1954-12-01), Alles et al.
patent: 3035941 (1962-05-01), Cohen et al.
patent: 3206311 (1965-09-01), Campbell et al.
patent: 3386935 (1968-06-01), Jackson et al.
patent: 3434840 (1969-03-01), De Keyser et al.
patent: 3495985 (1970-02-01), De Keyser et al.
patent: 3625692 (1971-12-01), Meyer et al.
patent: 3666532 (1972-05-01), Reedy et al.

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