The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1976
Filed:
Oct. 18, 1974
Atsumi Noshiro, Yokohama, JA;
Yoshio Inoue, Annaka, JA;
Dai Nippon Printing Company Limited, Tokyo, JA;
Abstract
A dry planographic printing ink composition which comprises a vehicle for an ink, a pigment and a solvent, characterized by using as a portion of the vehicle 1 to 40% by weight of a silicone modified alkyd resin containing 5 to 50% by weight of at least one of the organopolysiloxanes substituted by amino groups represented by the average composition formulas: ##EQU1## AND ##EQU2## WHEREIN Z stands for an amino group or mono-valent substituent having a terminal amino group, R.sup.1 stands for a di-valent hydrocarbon group containing 1 to 3 carbon atoms, R.sup.2 stands for a mono-valent hydrocarbon group containing 1 to 3 carbon atoms, R.sup.3 stands for a hydrogen atom or mono-valent hydrocarbon group containing 1 to 40 carbon atoms, R.sup.4 stands for a methyl group or phenyl group at least 90 molar % of which is the methyl group, R.sup.5 stands for a hydrogen atom or mono-valent organic group, n is 1, 2 or 3, m is 0 or 1, x + y is 6 to 200 and y/x is 1/100 to 40/100 and w is 5 to 50. The ink composition is a very favorable dry planographic printing ink composition having a practicable printing adaptability.