Cleaner for hydrophilic metal surfaces of lithographic duplicato

Details Cleaner for hydrophilic metal surfaces of lithographic duplicato Cleaner for hydrophilic metal surfaces of lithographic duplicato

1976-06-04

1978-07-11

Willis, Jr., P.E.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 3, 134 7, 134 41, 252142, 252313R, C11D 314, C11D 708, C23G 102

Patent

active

041000960

ABSTRACT:
Hydrophilic surfaces on lithographic duplicators are cleaned by light rubbing with a liquid composition comprising levigated alumina of small particle size, a surfactant, an aluminum salt and an acidifying agent all dispersed in water. The surface is then rinsed with water to remove the cleaning composition, and is found to be in an ink-free moisture receptive condition.

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patent: 3553016 (1971-01-01), Foelsch
patent: 3709823 (1973-01-01), Sugahara et al.
patent: 3961982 (1976-06-01), Delorenzo
patent: 3964913 (1976-06-01), Nighy
patent: 4032466 (1977-06-01), Orthalek et al.

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