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:
Dec. 03, 2002
Filed:
Mar. 09, 2000
Aqueous pigment dispersion water-base ink composition and recording method using the ink composition
Applicant:
Inventors:
Hiroshi Ito, Nagano-Ken, JP;
Masayuki Momose, Nagano-Ken, JP;
Hiroko Hayashi, Nagano-Ken, JP;
Sohko Ito, Osaku-Fu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 1/100 ;
U.S. Cl.
CPC ...
C09D 1/100 ;
Abstract
Disclosed are an aqueous pigment dispersion and an ink composition which can realize high print density. The aqueous pigment dispersion comprises at least water and a surface-modified carbon black, the surface-modified carbon black being dispersible and/or dissolvable in water without any dispersant and having a hydrophilic functional group content/specific surface area value of 5 to 30 &mgr;mol/m .
Ito, Hiroshi. (2002). Aqueous pigment dispersion water-base ink composition and recording method using the ink composition (U.S. Patent No. 6488753). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6488753
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