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. 28, 2003
Filed:
Mar. 25, 2002
Applicant:
Inventors:
Tetsuya Kaneko, Yokohama, JP;
Hitoshi Arita, Yokohama, JP;
Kiyofumi Nagai, Machida, JP;
Kakuji Murakami, Atsugi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/01 ;
U.S. Cl.
CPC ...
B41J 2/01 ;
Abstract
An aqueous recording liquid suitable for use in ink jet printing containing a colorant, 2,2,4-trimethyl-1,3-pentanediol, and at least one surfactant selected from polyoxyethylene alkyl ethers and polyoxyethylene alkyl ether acetates.