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:
May. 31, 2011
Filed:
Jun. 04, 2008
Terukazu Yanagi, Ashigarakami-gun, JP;
Akio Tamura, Ashigarakami-gun, JP;
Takahiro Ishizuka, Ashigarakami-gun, JP;
Takashi Hirakawa, Ashigarakami-gun, JP;
Katsuyuki Hirato, Ashigarakami-gun, JP;
Terukazu Yanagi, Ashigarakami-gun, JP;
Akio Tamura, Ashigarakami-gun, JP;
Takahiro Ishizuka, Ashigarakami-gun, JP;
Takashi Hirakawa, Ashigarakami-gun, JP;
Katsuyuki Hirato, Ashigarakami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An ink composition includes: first particles which are insoluble and dispersed in an aqueous dispersion medium, a polarity of the first particles being one of positive and negative; and second particles which are insoluble and dispersed in the aqueous dispersion medium, the second particles including both a cationic group and an anionic group, the second particles having a zeta potential that changes along with a change in pH of the aqueous dispersion medium, percentage of a water-soluble component in the second particles being not higher than 5% by mass.