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:
Mar. 17, 2015
Filed:
Jul. 09, 2013
Applicants:
Minoru Hakiri, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Masayasu Nonogaki, Shizuoka, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2014.01); G01D 11/00 (2006.01); C09D 11/324 (2014.01); C09D 11/40 (2014.01); C09D 11/00 (2014.01);
U.S. Cl.
CPC ...
C09D 11/324 (2013.01); C09D 11/40 (2013.01); C09D 11/00 (2013.01);
Abstract
An ink for inkjet recording including a pigment, a penetrating agent and water, wherein the pigment includes: an ozone-oxidized carbon black, including carbon black oxidized by ozone and having a volatile matter content of the carbon black of 10% by mass to 20% by mass and a BET specific surface area of 90 m/g to 150 m/g; and a resin-coated carbon black, including: carbon black; and a resin present on a surface of the carbon black.