Photographic silver halide element having antistatic properties

Details Photographic silver halide element having antistatic properties Photographic silver halide element having antistatic properties

1993-08-19

1994-11-15

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430510, 430527, G03C 185

Patent

active

053647521

ABSTRACT:
A recording material comprising a sheet, ribbon or web support and a hydrophilic colloid binder layer incorporating an ionic copolymer in the form of dispersed particulate material providing to said material an antistatic character, characterized in that said ionic copolymer is a cross-linked addition copolymer wherein at least 30 mole % of its recurring units are recurrring units containing a sulphonic acid salt group that has been obtained via a reaction of propane sultone or butane sultone with carboxylate salt groups present originally in recurring units of said copolymer.

REFERENCES:
patent: 4147550 (1979-04-01), Campbell et al.
patent: 4388402 (1982-06-01), Mukunoki et al.
patent: 4396708 (1983-08-01), Ogawa et al.
patent: 4582782 (1986-04-01), Valsecchi
patent: 4585730 (1986-04-01), Cho

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