Gramophone record composition

Details Gramophone record composition Gramophone record composition

1979-11-06

1981-08-11

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252182, 252381, 252383, 252384, 252385, 260 4575W, 260 4585E, 26099816, 260DIG15, C08K 509, C08K 510, C08L 2706

Patent

active

042833159

ABSTRACT:
Gramophone records are prepared from a vinyl polymer composition containing a fatty acid soap of an alkaline earth metal or zinc, sugar or polyol fatty acid esters and fatty acid mixed glycerides and is free of heavy metal ions.

REFERENCES:
patent: 2514424 (1950-07-01), Smith
patent: 3004000 (1961-10-01), Kauder et al.
patent: 3351577 (1967-11-01), Krumm
patent: 3362923 (1968-01-01), Knuth
patent: 3960790 (1976-06-01), Khanna
patent: 3975321 (1976-08-01), Heiberger
patent: 4032702 (1977-06-01), James
patent: 4055518 (1977-10-01), Kakitani et al.
patent: 4072790 (1978-02-01), Creekmore et al.

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