Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1974-10-03
1977-05-17
Albrecht, Dennis L.
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
101451, 101466, 134 38, 134 40, 252 89R, 252142, 252145, 252170, 252173, 252524, 252542, 252DIG8, C11D 708, C11D 716, C11D 732, C11D 750
Patent
active
040240851
ABSTRACT:
A gum removing solution for a lithographic plate containing at least one compound selected from the group consisting of compounds containing ##STR1## linkage where M represents a hydrogen atom, an ammonium group or an alkali metal atom and cyclic esters and cyclic amides having 3 to 6 carbon atoms. The solution can further contain at least one compound selected from the group consisting of phosphoric acid and polyphosphoric acid and the metal salts and ammonium salts of these acids, and optionally a water-soluble colloid. The solution has a pH of 1 to 5.5.
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Kobayashi Kesanao
Matsumoto Hiroshi
Albrecht Dennis L.
Fuji Photo Film Co. , Ltd.
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