Cover sheets with timing layer comprising cellulose acetate and

Details Cover sheets with timing layer comprising cellulose acetate and Cover sheets with timing layer comprising cellulose acetate and

1976-09-07

1977-06-14

Klein, David

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

96 3, 96 29D, 96 77, 428507, 428510, 428515, 428520, 428532, 428534, G03C 700, G03C 554, B44D 109, B44D 130

Patent

active

040298493

ABSTRACT:
Timing layer for color diffusion transfer assemblages comprises a mixture of cellulose acetate and a maleic anhydride copolymer with 2 to 20% by weight of the mixture being said copolymer.

REFERENCES:
patent: 3721562 (1973-03-01), Land
patent: 3753764 (1971-08-01), Haefner
"Neutralizing Mat'l . . . Elements", Research Disclosed No. 12331 7/1974 pp. 22-24.
B351,673, Jan. 1975, Fleckenstein et al., 96/3.

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