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. 23, 2013
Filed:
Mar. 23, 2009
Hiroshi Kinoshita, Chiba, JP;
Narihito Sekiguchi, Saitama, JP;
Yukie Suwa, Sakura, JP;
Fumihiko Maekawa, Sakura, JP;
Kosaku Nishiyama, Kawagoe, JP;
Hiroshi Kinoshita, Chiba, JP;
Narihito Sekiguchi, Saitama, JP;
Yukie Suwa, Sakura, JP;
Fumihiko Maekawa, Sakura, JP;
Kosaku Nishiyama, Kawagoe, JP;
DIC Corporation, Tokyo, JP;
Abstract
An offset printing ink in which a modified pigment (D) is dispersed in a vehicle as a colorant, the modified pigment (D) contains a polymer (P) on the surface thereof, and the polymer (P) is obtained by polymerizing a resin or fat (B) which has a polymerizable unsaturated group, and is soluble in a nonaqueous solvent, and at least one of polymerizable unsaturated monomers (C) which are soluble in a nonaqueous solvent and insoluble or poorly-soluble after polymerization, and specifically, the resin or fat (B) is selected from the group consisting of acrylic resins having a polymerizable unsaturated group, alkyd resins which are soluble in the nonaqueous solvent, natural resin-modified phenol resins, and fats.