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Ink-jet recording method

Assignee: Canon Inc
•
Filing: 1984-05-21
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Granted: 1985-08-06
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Expires: 2004-05-21
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Abstract

Abstract An ink-jet recording method in which inks of one or more colors and for each color a plurality of inks different in dye concentration are employed, which is characterized in that the maximum value (V max ) of the viscosities of the inks of each color and the minimum value (V min ) thereof satisfy the relation 0.8≦V.sub.min /V.sub.max.

Inventors

  • 👤 Eiichi Suzuki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:04
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/40; G; G01; G01D; G01D15/00; G01D15/16; G01D15/18

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 51 words
An ink-jet recording method in which inks of one or more colors and for each color a plurality of inks of different dye concentrations are employed, characterized in that maximum value (Vmax) of the viscosities of the inks of each color and the minimum value (Vmin) thereof satisfy the relation 0.8≦Vmin/Vmax.
Claim 2
Dependent Claim 51 words
An ink-jet recording method in which inks of one or more colors and for each color a plurality of inks of different dye concentrations are employed, characterized in that maximum value (Vmax) of the viscosities of the inks of each color and the minimum value (Vmin) thereof satisfy the relation 0.8≦Vmin/Vmax.
Claim 3
Dependent Claim 21 words
The ink-jet recording method according to claim 1, in which said maximum value and said minimum value satisfy the relation 0.85≦Vmin/Vmax.
Claim 4
Dependent Claim 42 words
The ink jet recording method according to claim 1, in which each of said inks comprises a mixture selected from the group consisting of a mixture of a dye and water, and a mixture of a dye, water and a water-soluble solvent.

References Cited (Backward Citations)

US3889271A Cited
US3994736A Cited
US4153593A Cited
US4176361A Cited
US4177075A Cited
US4399443A Cited
US4361843A Cited
US4390369A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-08-05 1989-02-04 1989-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-08-05 1993-02-04 1993-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-08-05 1997-02-04 1997-08-06 $7700.00 Window Closed / Lapsed

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