Varnish for printing inks and its method of preparation

Details Varnish for printing inks and its method of preparation Varnish for printing inks and its method of preparation

1975-11-10

1977-07-26

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Erasable surface

106285, 106311, 260125, 260504S, C07C13906, C09D 1102, C09D 1112

Patent

active

040380874

ABSTRACT:
A printing ink varnish which comprises a mineral oil and a product prepared by adding an anionic surfactant to an acid sludge followed by neutralization with an aqueous solution of an alkali metal salt and then adding an inorganic polyvalent metal salt to the mixture to form polyvalent metal salts of the anionic surfactant and acid components of said sludge. A process for preparing the varnish is also disclosed.

REFERENCES:
patent: 999611 (1911-08-01), Walker et al.
patent: 2491043 (1949-12-01), Hersberger
patent: 2967782 (1961-01-01), Manley
patent: 2980545 (1961-04-01), Shoemaker

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