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:
Jan. 13, 1998
Filed:
Nov. 08, 1996
Applicant:
Inventors:
Assignee:
Fuji Pigment Co., Ltd., Hyogo Pref., JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3186 ; 106 319 ; 106 3175 ;
Abstract
A pigmented ink for ink jet printer which comprises pigment particle as a colorant, water or a mixture of water and at least one hydrophilic organic solvent as a carrier medium and a derivative of polyoxyethylene ether sulphate or a derivative of polyoxyethylene ether phosphate as a dispersant. These inks give images having good print quality and excellent storage stability after many thermal cycles of -20.degree. C. to 80.degree. C.