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:
Oct. 20, 2009
Filed:
Nov. 27, 2006
Kaori Nakano, Tokyo, JP;
Ken Yamasaki, Tokyo, JP;
Seiji Aida, Tokyo, JP;
Nozomi Tsushima, Tokyo, JP;
Kaori Nakano, Tokyo, JP;
Ken Yamasaki, Tokyo, JP;
Seiji Aida, Tokyo, JP;
Nozomi Tsushima, Tokyo, JP;
Toyo Ink Mfg. Co., Ltd., Tokyo, JP;
Abstract
An ink composition containing an organic solvent and a pigment, which has a little amount of smell, excellent safety and health properties, excellent resin solubility, excellent printing stability and excellent drying properties, causes no corrosion to a printer, and is excellent in adhesion to non-absorbable printing media and good printability, wherein the ink composition comprises as the organic solvent at least one compound selected from compounds of the formula (1) and (2), wherein each of R, Rand Rindependently represents an oxygen atom or —NR— wherein Rrepresents an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group, a hydroxyl group or a hydrogen atom, and each of Rand Rindependently represents a branched or non-branched hydrocarbon group represented by CmHn wherein m is an integer of 2 to 8 and n is an integer of 2m-4, 2m-2 or 2m.