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:
Sep. 16, 1997
Filed:
Dec. 27, 1995
Applicant:
Inventors:
Makoto Taniguchi, Suwa, JP;
Noriko Oyama, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo-To, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3136 ; 106 3149 ;
Abstract
An ink composition which can provide a print having better water fastness, stably contains a colorant substantially insoluble or sparingly soluble in water, is less likely to cause clogging of a recording head, and can be advantageously used for ink jet recording is disclosed. The ink composition comprises: a colorant which is either sparingly soluble or insoluble in water; a water-soluble organic solvent capable of dissolving the colorant; a saccharide and/or polyvinyl pyrrolidone; and water.