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:
May. 12, 1998
Filed:
Apr. 18, 1996
Seiko Epson Corporation, Tokyo, JP;
Abstract
A magenta ink composition comprising C.I. Direct Red 227 in an amount of 0.3 to 3.5% by weight, a water-soluble high boiling low volatility organic solvent and water is disclosed. A set comprising the magenta ink composition, a yellow ink composition comprising a 1:3 to 3:1 by weight mixture of C.I. Direct Yellow 86 and C.I. Direct Yellow 132 in an amount of 0.3 to 3.0% by weight and a cyan ink composition comprising at least one of C.I. Direct Blue 86 and C.I. Direct Blue 199 in an amount of 1.0 to 4.0% by weight is also disclosed. An ink jet recording method using the foregoing ink set is further disclosed. The ink composition provides an excellent color reproducibility range and causes no deterioration of printed matter.