Ink set for ink jet recording and ink jet recording method

Patent 5980623 Issued on November 9, 1999. Estimated Expiration Date:

January 27, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

Fuji Xerox Co., Ltd.

Application

No. 014095 filed on 01/27/1998

US Classes:

106/31.49, Five-ring members in the heterocyclic ring106/31.48, Acyclic azo attached directly or indirectly to the heterocyclic ring by nonionic bonding106/31.51, The nitrogen is part of an acyclic azo group106/31.52, Plural acyclic azo group component containing106/31.58Organic oxygen compound containing

Examiners

Primary: Klemanski, Helene

Attorney, Agent or Firm

Oliff & Berridge, PLC

Foreign Patent References

A-2-233781 JP. 09/12/1990
A-3-91577 JP. 04/12/1991
A-4-226175 JP. 08/12/1992
A-4-270286 JP. 09/12/1992
A-4-279671 JP. 10/12/1992
A-6-228482 JP. 08/12/1994
A-6-248211 JP. 09/12/1994
A-6-279717 JP. 10/12/1994
A-7-102199 JP. 04/12/1995
A-7-150086 JP. 06/12/1995
A-8-505889 JP. 06/12/1996

International Class

C09D 011/02

Foreign Application Priority Data

1997-01-29 JP

Abstract

Disclosed is a color ink set for ink-jet recording, which color ink set comprises a set of single-color ink, namely, cyan ink, magenta ink, yellow ink and black ink, each single-color ink containing at least a colorant, a water-soluble organic solvent and water, wherein the colorant in the single-color ink has a specific chemical structure, and which color ink set for ink-jet recording fulfills the characteristics required for ink-jet recording ink, along with the details of single-color ink constituting the ink set and an ink-jet recording method using the color ink set.