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. 19, 2019
Filed:
Mar. 02, 2017
Yuuki Yokohama, Kanagawa, JP;
Hiroshi Gotou, Kanagawa, JP;
Kaori Toyama, Kanagawa, JP;
Masayuki Fukuoka, Tokyo, JP;
Yuuki Yokohama, Kanagawa, JP;
Hiroshi Gotou, Kanagawa, JP;
Kaori Toyama, Kanagawa, JP;
Masayuki Fukuoka, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-β-buthoxy propionamide, N,N-dimethyl-β-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.