Protective coatings for polyacetylenic recording media

Details Protective coatings for polyacetylenic recording media Protective coatings for polyacetylenic recording media

1990-02-16

1991-01-15

Ryan, Patrick J.

Stock material or miscellaneous articles

Sheet including cover or casing

Complete cover or casing

428 64, 428500, 428513, 106135, 427162, B32B 300

Patent

active

049852906

ABSTRACT:
The invention relates to a light stabilizing and antioxidant coating for polyacetylenic recording media which comprises an aqueous composition of ascorbic acid, gelatin and less than 2% by weight of surfactant wherein the mole ratio of acid to gelatin is between about 1:1 and about 10:1 dissolved in from about 35 wt. % to about 80 wt. % of water.

REFERENCES:
patent: 2461475 (1949-02-01), Kaszuba
patent: 2905561 (1959-09-01), Barnett et al.
patent: 3501308 (1970-03-01), Adelman
patent: 4581315 (1986-04-01), Garito
patent: 4734355 (1988-03-01), Lewis et al.

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