US5397386A
Expired / Lapsed
US
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Water-soluble ink, ink jet printer and method of printing thereof
Assignee: Seiko Epson Corp
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Filing: 1994-03-02
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Granted: 1995-03-14
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Expires: 2014-03-02
Abstract
Abstract A plastic ink jet recording head is provided utilizing a water-soluble ink comprised of water-soluble dye having the chemical structure of: ##STR1## The ink composition comprises a surfactant in the range 0.01 wt. to 0.1 wt. of having an acetylene glycol surfactant having a chemical structure of: ##STR2## and an acetylene glycol-ethylene oxide adduct is provided having a chemical of: ##STR3## wherein m and n are each integers of at least 1.
Inventors
- 👤 Chiyoshige Nakazawa
- 👤 Youichi Kubomura
- 👤 Shigeo Sugimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:30
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
103 words
An aqueous ink composition comprising a water soluble dye having the chemical structure formula: ##STR44## wherein R 1 to R 4 each represents an OH group and a NH 2 group in the range of about 0.1 wt. % to 10.0 wt. % of the aqueous ink, and at least one of a surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR45## and an acetylene glycol-ethylene oxide adduct surfactant having a chemical formula, ##STR46## wherein m and n are each integers of at least 1.
Claim 2
Dependent Claim
103 words
An aqueous ink composition comprising a water soluble dye having the chemical structure formula: ##STR44## wherein R 1 to R 4 each represents an OH group and a NH 2 group in the range of about 0.1 wt. % to 10.0 wt. % of the aqueous ink, and at least one of a surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR45## and an acetylene glycol-ethylene oxide adduct surfactant having a chemical formula, ##STR46## wherein m and n are each integers of at least 1.
Claim 3
Dependent Claim
15 words
An aqueous ink composition as in claim 1, which is useful for ink jet printing.
Claim 4
Dependent Claim
30 words
An aqueous ink composition as in claim 1, which is useful for an ink jet printer having a plastic body, portions of which are contacted by the aqueous ink composition.
Claim 5
Dependent Claim
146 words
An aqueous ink composition having a high wettability to plastic surfaces in contact with the ink comprising a water soluble dye having the chemical structure formula: ##STR47## where R 1 to R 4 each represents one of an OH group and a NH 2 group and comprising an amount in the range of about 0.1 wt. % to 10.0 wt. % of the aqueous ink, and at least one of a surfactant comprising an acetylene glycol surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the ink having a chemical structure formula: ##STR48## and an acetylene glycol-ethylene oxide adduct surfactant comprising an amount in the range of about 0.01 wt. % to 10 wt % of the aqueous ink having a chemical formula: ##STR49## wherein a sum of m and n are each integers of at least 1.
Claim 6
Dependent Claim
146 words
An aqueous ink composition having a high wettability to plastic surfaces in contact with the ink comprising a water soluble dye having the chemical structure formula: ##STR47## where R 1 to R 4 each represents one of an OH group and a NH 2 group and comprising an amount in the range of about 0.1 wt. % to 10.0 wt. % of the aqueous ink, and at least one of a surfactant comprising an acetylene glycol surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the ink having a chemical structure formula: ##STR48## and an acetylene glycol-ethylene oxide adduct surfactant comprising an amount in the range of about 0.01 wt. % to 10 wt % of the aqueous ink having a chemical formula: ##STR49## wherein a sum of m and n are each integers of at least 1.
Claim 7
Dependent Claim
30 words
An aqueous ink composition as in claim 4, which is useful for an ink jet printer having a plastic body including said plastic surfaces contacted by the aqueous ink composition.
Claim 8
Dependent Claim
21 words
An aqueous ink composition as in claim 4, wherein m and n are in the range from 1 to 5 inclusive.
Claim 9
Dependent Claim
24 words
An aqueous ink composition as in claim 6, wherein said adduct surfactant is in the range of 0.01 wt. % to 0.1 wt. %.
Claim 10
Dependent Claim
214 words
An ink jet printer comprising a plastic molded body having interior plastic surfaces including a plurality of ink ports each connected in a first direction to a first end respective of a plurality of respective ink pressure chambers and connected in a second direction to a respective one of a plurality of ink output nozzles, a common ink supply port connected a second end of said ink pressure chambers, an aqueous ink composition having a wetting property to said plastic surfaces, said aqueous ink comprising a water soluble dye having the chemical structure formula: ##STR50## wherein R 1 to R 4 , are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10.0 wt. % of the aqueous ink, and at least one of a surfactant comprising an acetylene glycol surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink having a chemical structure formula: ##STR51## and an acetylene glycol-ethylene oxide adduct surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink having a chemical structure formula: ##STR52## wherein a sum of m and n is in the range from 1 to 5 inclusive.
Claim 11
Dependent Claim
214 words
An ink jet printer comprising a plastic molded body having interior plastic surfaces including a plurality of ink ports each connected in a first direction to a first end respective of a plurality of respective ink pressure chambers and connected in a second direction to a respective one of a plurality of ink output nozzles, a common ink supply port connected a second end of said ink pressure chambers, an aqueous ink composition having a wetting property to said plastic surfaces, said aqueous ink comprising a water soluble dye having the chemical structure formula: ##STR50## wherein R 1 to R 4 , are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10.0 wt. % of the aqueous ink, and at least one of a surfactant comprising an acetylene glycol surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink having a chemical structure formula: ##STR51## and an acetylene glycol-ethylene oxide adduct surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink having a chemical structure formula: ##STR52## wherein a sum of m and n is in the range from 1 to 5 inclusive.
Claim 12
Dependent Claim
181 words
An aqueous ink composition comprising a water soluble dye having the chemical structure formula: ##STR53## wherein R 1 to R 4 , are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10.0 wt % of the aqueous ink, and a first surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR54## a second surfactant having at least one of a first portion in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical formula: ##STR55## wherein a sum of m and n is in the range from 1 to 5, inclusive, and a second portion in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink comprising acetylene glycol-ethylene oxide adduct surfactant having a chemical formula: ##STR56## wherein a sum of m and n is in the range of 6 to 40, inclusive.
Claim 13
Dependent Claim
181 words
An aqueous ink composition comprising a water soluble dye having the chemical structure formula: ##STR53## wherein R 1 to R 4 , are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10.0 wt % of the aqueous ink, and a first surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR54## a second surfactant having at least one of a first portion in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical formula: ##STR55## wherein a sum of m and n is in the range from 1 to 5, inclusive, and a second portion in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink comprising acetylene glycol-ethylene oxide adduct surfactant having a chemical formula: ##STR56## wherein a sum of m and n is in the range of 6 to 40, inclusive.
Claim 14
Dependent Claim
146 words
An aqueous ink composition having high wettability to plastic surfaces in contact with the ink comprising a water soluble dye having the chemical structure formula: ##STR57## where R 1 to R 4 each represents one of an OH group and a NH 2 group and comprising an amount in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink, and at least one of a surfactant comprising acetylene glycol surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink having a chemical formula: ##STR58## and an acetylene glycol-ethylene oxide adduct surfactant comprising an amount in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink having a chemical formula: ##STR59## wherein a sum of m and n is in the range of 6 to 40, inclusive.
Claim 15
Dependent Claim
146 words
An aqueous ink composition having high wettability to plastic surfaces in contact with the ink comprising a water soluble dye having the chemical structure formula: ##STR57## where R 1 to R 4 each represents one of an OH group and a NH 2 group and comprising an amount in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink, and at least one of a surfactant comprising acetylene glycol surfactant comprising an amount in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink having a chemical formula: ##STR58## and an acetylene glycol-ethylene oxide adduct surfactant comprising an amount in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink having a chemical formula: ##STR59## wherein a sum of m and n is in the range of 6 to 40, inclusive.
Claim 16
Independent Claim
200 words
A method of producing an aqueous ink composition comprising the steps of providing a water soluble dye having the chemical structure formula: ##STR60## wherein R 1 to R 4 are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink, and adding to the aqueous ink at least one of the first surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR61## and a second surfactant having at least one of the first portion in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR62## wherein a sum of m and n is in the range of 1 to 5 inclusive, and a second portion in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR63## wherein a sum of m and n is in the range of 6 to 40 inclusive.
Claim 17
Independent Claim
200 words
A method of producing an aqueous ink composition comprising the steps of providing a water soluble dye having the chemical structure formula: ##STR60## wherein R 1 to R 4 are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink, and adding to the aqueous ink at least one of the first surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR61## and a second surfactant having at least one of the first portion in the range of about 0.01 wt. % to 0.1 wt. % of the ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR62## wherein a sum of m and n is in the range of 1 to 5 inclusive, and a second portion in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR63## wherein a sum of m and n is in the range of 6 to 40 inclusive.
Claim 18
Dependent Claim
28 words
A method as in claim 11, which is useful for an ink jet printer having a plastic body including said plastic surfaces contacted by the aqueous ink composition.
Claim 19
Independent Claim
298 words
A method of printing on a recording medium comprising the steps of, providing an ink jet printer comprising a plastic molded body having interior plastic surfaces including a plurality of ink ports each connected in a first direction to a first end of respective of a plurality of respective ink pressure chambers and connected in a second direction to a respective one of a plurality of ink output nozzles, a common ink supply port connected a second end of said ink pressure chambers, an aqueous ink composition having a wetting property to said plastic surfaces, said aqueous ink comprising a water soluble dye having the chemical structure formula: ##STR64## wherein R 1 to R 4 are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink, and at least one of a first surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR65## and a second surfactant having at lease one of a first portion in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR66## and wherein a sum of m and n is of in the range of 1 to 5 inclusive, and a second portion in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR67## and wherein a sum of m and n is in the range of 6 to 40 inclusive; and ejecting the ink through the output nozzles toward the recording medium.
Claim 20
Independent Claim
298 words
A method of printing on a recording medium comprising the steps of, providing an ink jet printer comprising a plastic molded body having interior plastic surfaces including a plurality of ink ports each connected in a first direction to a first end of respective of a plurality of respective ink pressure chambers and connected in a second direction to a respective one of a plurality of ink output nozzles, a common ink supply port connected a second end of said ink pressure chambers, an aqueous ink composition having a wetting property to said plastic surfaces, said aqueous ink comprising a water soluble dye having the chemical structure formula: ##STR64## wherein R 1 to R 4 are one of an OH group and a NH 2 group in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink, and at least one of a first surfactant in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink comprising an acetylene glycol surfactant having a chemical structure formula: ##STR65## and a second surfactant having at lease one of a first portion in the range of about 0.01 wt. % to 0.1 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR66## and wherein a sum of m and n is of in the range of 1 to 5 inclusive, and a second portion in the range of about 0.1 wt. % to 10 wt. % of the aqueous ink comprising an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR67## and wherein a sum of m and n is in the range of 6 to 40 inclusive; and ejecting the ink through the output nozzles toward the recording medium.
Claim 21
Dependent Claim
162 words
An ink jet printer comprising molded body of a plastic material comprising interior plastic surfaces including a plurality of ink ports each connected in a first direction to a first end respective of a plurality of respective ink pressure chambers and connected in a second direction to a respective one of a plurality of ink output nozzles, a common ink supply port connected a second end of said ink pressure chambers, an aqueous ink composition having a wetting property to said plastic surfaces, said aqueous ink comprising a water soluble dye having the chemical structure formula: ##STR68## wherein R 1 to R 4 , are one of an OH group and a NH 2 group, and at least one of a surfactant comprising an acetylene glycol surfactant having a chemical structure formula: ##STR69## and an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR70## wherein a sum of m and n is in the range from 1 to 40 inclusive.
Claim 22
Dependent Claim
162 words
An ink jet printer comprising molded body of a plastic material comprising interior plastic surfaces including a plurality of ink ports each connected in a first direction to a first end respective of a plurality of respective ink pressure chambers and connected in a second direction to a respective one of a plurality of ink output nozzles, a common ink supply port connected a second end of said ink pressure chambers, an aqueous ink composition having a wetting property to said plastic surfaces, said aqueous ink comprising a water soluble dye having the chemical structure formula: ##STR68## wherein R 1 to R 4 , are one of an OH group and a NH 2 group, and at least one of a surfactant comprising an acetylene glycol surfactant having a chemical structure formula: ##STR69## and an acetylene glycol-ethylene oxide adduct surfactant having a chemical structure formula: ##STR70## wherein a sum of m and n is in the range from 1 to 40 inclusive.
Claim 23
Dependent Claim
29 words
An ink jet printer according to claim 14, wherein said plastic material comprises a material selected from the group consisting of polysulfone, polycarbonate, polyether sulfone, polyallyl sulfone, and polyacetal.
References Cited (Backward Citations)
US4153593A
Cited
US4299630A
Cited
US4184881A
Cited
US4170482A
Cited
US4196007A
Cited
US4388115A
Cited
JPS586752A
Cited
US4512807A
Cited
JPS62111749A
Cited
US4957553A
Cited
JPS6423752A
Cited
EP0320223A1
Cited
JPH01252680A
Cited
US5196057A
Cited
JPH02151674A
Cited
WO1991007282A1
Cited
EP0453578A1
Cited
JPH04175383A
Cited
JPH04183760A
Cited
JPH04183759A
Cited
JPH04183761A
Cited
JPH04339664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-03-13 | 1998-09-12 | 1999-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-03-13 | 2002-09-12 | 2003-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-03-13 | 2006-09-12 | 2007-03-14 | $7700.00 | Window Closed / Lapsed |