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:
Jun. 13, 2006
Filed:
Apr. 16, 2003
Teruaki Ohkawa, Inashiki-gun, JP;
Hiroyuki Ogawa, Inashiki-gun, JP;
Osamu Matsumoto, Inashiki-gun, JP;
Toshihiro Endo, Inashiki-gun, JP;
Yasuo Yamamoto, Inashiki-gun, JP;
Teruaki Ohkawa, Inashiki-gun, JP;
Hiroyuki Ogawa, Inashiki-gun, JP;
Osamu Matsumoto, Inashiki-gun, JP;
Toshihiro Endo, Inashiki-gun, JP;
Yasuo Yamamoto, Inashiki-gun, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
To provide a non-aqueous ink composition which is small in generation of strike through or smear marks and free from the problem of clogging of the nozzle. A non-aqueous ink composition includes solvent, dispersant and coloring material of pigment or dye. The solvent contains therein at least not smaller than 10% by weight non-polar organic solvent which is not higher than 260° C. in 50% running point and at least not smaller than 20% by weight polar organic solvent which is not lower than 300° C. in 50% running point.