Ink compositions for ink jet printing

Patent 5324349 Issued on June 28, 1994. Estimated Expiration Date:

May 19, 2013. 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

Marking ink composition
Patent #: 4822417
Issued on: 04/18/1989
Inventor: Kobayashi , et al.

Recording liquid
Patent #: 5049188
Issued on: 09/17/1991
Inventor: Takimoto, et al.

Ink, ink-jet recording process, and instrument using the ink
Patent #: 5141558
Issued on: 08/25/1992
Inventor: Shirota, et al.

Ink for ink jet printing
Patent #: 5156675
Issued on: 10/20/1992
Inventor: Breton, et al.

Lithographic printing ink additive
Patent #: 5174815
Issued on: 12/29/1992
Inventor: Kondo, et al.

Aqueous ink jet inks containing polyol/alkylene oxide condensates as cosolvents
Patent #: 5180425
Issued on: 01/19/1993
Inventor: Matrick, et al.

Alkylpolyol ethers as cosolvents for ink jet inks Patent #: 5268027
Issued on: 12/07/1993
Inventor: Chan, et al.

Inventors

Assignee

Seiko Epson Corporation

Application

No. 063986 filed on 05/19/1993

US Classes:

106/31.25, Emulsion106/31.72, Natural resin or derivative containing106/31.75, Organic nitrogen compound containing347/100Ink

Examiners

Primary: Klemanski, Helene

Attorney, Agent or Firm

Ladas & parry

Foreign Patent References

3529798 DE. 02/22/1987
53-104321 JP. 09/22/1978
2018472 JP. 01/22/1990

International Class

C09D 011/14

Foreign Application Priority Data

1992-05-20 JP

Abstract

An ink for ink jet printing comprising a pigment, a component selected from the group consisting of saccharides, derivatives thereof and polyols having 5 or more hydroxyl groups, and a resin emulsion. This pigment-type ink is excellent in preservability, does not cause obstruction in a nozzle, and can evenly produce an image.