Movie film cleaning process

Details Movie film cleaning process Movie film cleaning process

1996-02-29

1997-09-23

Soderquist, Arlen

Cleaning and liquid contact with solids

Processes

Oils, grease, tar, or wax removal, by dissolving

134 15, 134 255, 134 32, 134 38, 510169, B08B 700, C23G 5028, C23G 5024, C11D 750

Patent

active

056699859

ABSTRACT:
This invention relates to a solvent system and process for cleaning cellulose triacetate polymer camera film. The solvent system comprises n-propyl bromide and an alkyl bromide in which the alkyl group contains 4 to 7 carbon atoms.

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Dipsol Chemicals Co., Ltd., Product Brochure entitled "Dipsol SC-52A--Cleaning Agent Substitute for Freon and Chlorine Solvents", date unknown, pp. 1-13 (w/translation--pp. 1-17).
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