Method of cleaning/coating a substrate

Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...

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134 40, 134 64P, B08B7/04

Patent

active

059024127

ABSTRACT:
Mixtures comprised of the compounds trans-1,2-dichloroethylene and/or cis-1,2-dichloroethylene and perchloroethylene are disclosed; as is a method for cleaning a solid substrate which comprises treating the substrate with said mixtures. A method for precision cleaning is disclosed, comprising the steps of showering the contaminated surfaces with said mixtures and then rinsing said surfaces with said mixtures that have been cleaned by distillation in-system. A method for dissolving and reconstituting polymers, waxes and oils by use of said mixtures or by use of mixtures consisting essentially of trans-1,2-dichloroethylene or cis-1,2-dichloroethylene is also disclosed; as is a method for delivering polymers, waxes, oils paints, pesticides, insecticides and fungicides to a surface by use of said mixtures or by use of mixtures consisting essentially of trans-1,2-dichloroethylene or cis-1,2-dichloroethylene.

REFERENCES:
patent: 3615814 (1971-10-01), Ott et al.
patent: 3635762 (1972-01-01), Ott et al.
patent: 3737941 (1973-06-01), Miller et al.
patent: 3882568 (1975-05-01), Hill
patent: 4086179 (1978-04-01), Schneider
patent: 5250208 (1993-10-01), Merchant et al.

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