Ball pen inks which do not form clogging crystalline masses with

Details Ball pen inks which do not form clogging crystalline masses with Ball pen inks which do not form clogging crystalline masses with

1976-06-28

1978-03-07

Welcome, Joan E.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 14, 106 23, 106 30, 106 31, 106 32, 106 27, 106241, C09D 1104

Patent

active

040778070

ABSTRACT:
New ball point pen ink compositions are utilized to enhance the performance and very substantially extend the service life of ball pen ink cartridges by preventing the formation of an ink flow-blocking mass at the entrance to the brass or bronze nib or a mass which prevents the movement of the follower plug in a copper alloy cartridge. This is accomplished by dispersing in the ink an antioxidant compound and/or a corrosion inhibitor compound effective to prevent oxygen and moisture, which enter the cartridge and pass into the ink, from reacting with the ball point ink and the metal constituents of the cartridge assembly to form metallic ions which react with ingredients of the ink proper to form a flow-blocking crystal mass.

REFERENCES:
patent: 2528390 (1950-10-01), Sayler
patent: 2882172 (1959-04-01), Scobel
patent: 3659951 (1972-05-01), Germann
Ellis, Printing Inks, Reinhold Publishing Corp., N.Y., 1940, pp. 118-127 relied on.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Ed., vol. 2, pp. 588-602 relied on.
Op Cit. vol. 6, pp. 317-343 relied on.

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