Coating processes – Fraud or tamper detecting
Patent
1984-04-19
1985-08-06
Silverberg, Sam
Coating processes
Fraud or tamper detecting
424 33, 427195, 427212, 427222, 427221, 427202, A61R 932, C08L 132
Patent
active
045335621
ABSTRACT:
Solid materials, especially pharmaceutical preparations, are coated, without the use of solvents, with a powdered film-forming polymer and with a liquid plasticizer having an affinity for the polymer.
REFERENCES:
patent: 2772181 (1956-11-01), Rogers
patent: 4344979 (1982-08-01), Gago
Myers "Film Forming Compositions" 1968, pp. 349, 356.
Ichikawa Izuo
Ikegami Yoshihiko
Kurihara Kozo
Nakane Hisanori
Sankyo Company Limited
Silverberg Sam
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