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US5849067A Expired / Lapsed US ⏱️ 0.0 years remaining

Ink compositions for ink-jet recording

Assignee: Sakata Inx Corp
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Filing: 1997-04-08
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Granted: 1998-12-15
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Expires: 2017-04-08
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Abstract

Abstract The invention relates to ink compositions for ink-jet recording which can avoid clogging of nozzles. An ink composition for ink-jet recording comprising a pigment and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of 2 to 10 in an aqueous medium is provided.

Inventors

  • 👤 Tatsurou Tsuchiya
  • 👤 Shigeru Ohtsuka
  • 👤 Masashi Fujiwara
  • 👤 Hiroyuki Ishikawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:15
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2606; C08G65/2609; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/324; C09D11/326

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 51 words
An ink composition for ink-jet recording comprising a pigment and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of greater than 4 and less than or equal to 10, said pigment and said compound being dispersed in an aqueous medium.
Claim 2
Dependent Claim 51 words
An ink composition for ink-jet recording comprising a pigment and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of greater than 4 and less than or equal to 10, said pigment and said compound being dispersed in an aqueous medium.
Claim 3
Dependent Claim 51 words
The ink composition for ink-jet recording according to claim 1, wherein the compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin consists in an amount ranging from 0.5 to 30% by weight on the basis of the total weight of the ink composition for ink-jet recording.
Claim 4
Dependent Claim 21 words
The ink composition for ink-jet recording according to claim 1, wherein said polyglycerin has a polymerization degree of 6 to 10.
Claim 5
Dependent Claim 53 words
An ink composition for ink-jet recording comprising a pigment, an aqueous resin and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree greater than 4 and less than or equal to 10, said pigment and said compound being dispersed in an aqueous medium.
Claim 6
Dependent Claim 53 words
An ink composition for ink-jet recording comprising a pigment, an aqueous resin and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree greater than 4 and less than or equal to 10, said pigment and said compound being dispersed in an aqueous medium.
Claim 7
Dependent Claim 51 words
The ink composition for ink-jet recording according to claim 4, wherein the compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin consists in an amount ranging from 0.5 to 30% by weight on the basis of the total weight of the ink composition for ink-jet recording.
Claim 8
Dependent Claim 47 words
The ink composition for ink-jet recording according to claim 4, wherein said aqueous resin is a copolymer of a (meth)acrylic ester having an alkyl group having 8 to 20 carbon atoms, a (meth)acrylic ester having an alkyl group having 1 to 7 carbon atoms and (meth)acrylic acid.
Claim 9
Dependent Claim 20 words
The ink composition for ink-jet recording to claim 4, wherein said polyglycerin has a polymerization degree of 6 to 10.
Claim 10
Independent Claim 57 words
A method for printing by ink jet recording comprising deposition of an ink composition on a substrate, said ink composition comprising a pigment and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of 2 to 10, said pigment and compound being dispersed in an aqueous medium.
Claim 11
Independent Claim 57 words
A method for printing by ink jet recording comprising deposition of an ink composition on a substrate, said ink composition comprising a pigment and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of 2 to 10, said pigment and compound being dispersed in an aqueous medium.
Claim 12
Dependent Claim 24 words
The method according to claim 8, wherein said polyglycerin has a polymerization degree of greater than 4 and less than or equal to 10.
Claim 13
Dependent Claim 17 words
The method according to claim 8, wherein said polyglycerin has a polymerization degree of 6 to 10.
Claim 14
Independent Claim 59 words
A method for printing by ink-jet recording comprising deposition of an ink composition on a substrate, said ink composition a pigment, an aqueous resin and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of 2 to 10, said pigment and said compound being dispersed in an aqueous medium.
Claim 15
Independent Claim 59 words
A method for printing by ink-jet recording comprising deposition of an ink composition on a substrate, said ink composition a pigment, an aqueous resin and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of 2 to 10, said pigment and said compound being dispersed in an aqueous medium.
Claim 16
Dependent Claim 24 words
The method according to claim 11, wherein said polyglycerin has a polymerization degree of greater than 4 and less than or equal to 10.
Claim 17
Dependent Claim 17 words
The method according to claim 11, wherein said polyglycerin has a polymerization degree of 6 to 10.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-12-14 2002-06-15 2002-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-12-14 2006-06-15 2006-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-12-14 2010-06-15 2010-12-15 $7700.00 Window Closed / Lapsed

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