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EP0921165A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Wet-rub resistant ink compositions

Assignee: Lexmark International Inc
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Filing: 1998-12-08
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Granted: —
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Expires: 2018-12-08
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Abstract

Abstract Wet-rub resistant ink compositions are described and the ink compositions have a binder material or binder composition which may be prepared from monomeric precursors which include vinyl halides, acrylates, alkylol amides and urethanes.

Inventors

  • 👤 William D. Kappele
  • 👤 Anna M. Pearson
  • 👤 Ajay K. Suthar

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-24 05:48
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/324; C09D11/326; C09D11/38

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 70 words
A binder material for an ink composition, said binder material having at least one structural unit selected from the group consisting of: and wherein i) each R 1 , independently, and R 2 is a hydrogen, halogen, C 1-16 alkyl, aryl, nitrile group (CN), nitro group, (NO 2 ), or sulfonate group (SO 3 R 3 ); and ii) each R 3 is independently a hydrogen or C 1-16 alkyl.
Claim 2
Dependent Claim 26 words
A binder material for an ink composition in accordance with claim 1, wherein R 1 is hydrogen, R 2 is chlorine and R 3 is hydrogen.
Claim 3
Dependent Claim 49 words
A binder material for an ink composition, said binder material comprising the structural unit: wherein R 1 is a hydrogen, halogen, C 1-6 alkyl, aryl, nitrile group (CN), nitro group (NO2) or sulfonate group (SO 3 R 3 ); and R 3 is a hydrogen or C 1-6 alkyl.
Claim 4
Dependent Claim 17 words
A binder material for an ink composition in accordance with claim 3, wherein R 1 is hydrogen.
Claim 5
Dependent Claim 48 words
A binder material for an ink composition in accordance with claim 1, wherein said binder material further comprises a structural unit represented as: wherein each R 4 is independently a hydrogen, halogen, C 1-6 alkyl or aryl and n is an integer from about 1 to about 6.
Claim 6
Dependent Claim 17 words
A binder material for an ink composition in accordance with claim 5, wherein R 4 is hydrogen.
Claim 7
Dependent Claim 61 words
A binder material for an ink composition in accordance with claim 5, wherein said binder material comprises between about 60.0 to about 99.8 weight percent of the structural units represented by I, about 0.1 to about 30.0 weight percent of the structural units represented by II, and about 0.1 to about 10.0 weight percent of the structural units represented by IV.
Claim 8
Dependent Claim 29 words
A binder material for an ink composition in accordance with any preceding claim, wherein said binder material encapsulates, covers or encapsulates and covers a colorant in said ink composition.
Claim 9
Dependent Claim 23 words
A binder material for an ink composition in accordance with any preceding claim, wherein said ink composition is an ink jet ink composition.
Claim 10
Dependent Claim 18 words
A binder material for an ink composition in accordance with claim 8, wherein said colorant is a dye.
Claim 11
Dependent Claim 18 words
A binder material for an ink composition in accordance with claim 8, wherein said colorant is a pigment.
Claim 12
Dependent Claim 40 words
A binder composition for an ink composition comprising: (a) a binder material capable of forming a film on a solid substrate; and (b) with or without an ink component, wherein said binder composition is a solution or emulsion based composition.
Claim 13
Dependent Claim 26 words
A binder composition for an ink composition in accordance with claim 12, wherein said binder material is as claimed in any of claims 1 to 11.
Claim 14
Dependent Claim 24 words
A binder composition for an ink composition in accordance with claim 12 or claim 13, wherein said binder composition further comprises an ink component.
Claim 15
Dependent Claim 38 words
A binder composition for an ink composition in accordance with claim 14, wherein said ink component is a penetrant, humectant, biocide, surfactant, anti-kogation agent, buffer, chelating agent, anti-curling agent, anti-bleed agent, aqueous solvent, non-aqueous solvent or mixture thereof.
Claim 16
Dependent Claim 19 words
A binder composition for an ink composition in accordance with claim 13, wherein said binder composition is an emulsion.
Claim 17
Dependent Claim 16 words
An ink composition comprising a binder material, a composition with said binder material or mixture thereof.
Claim 18
Dependent Claim 25 words
An ink composition in accordance with claim 17, wherein said ink composition comprises a binder material as claimed in any of claims 1 to 11.
Claim 19
Dependent Claim 46 words
An ink composition in accordance with claim 17 or claim 18, wherein said ink composition further comprises at least one solvent selected from the group consisting of: and wherein R 4 is as previously defined and t is an integer from about 3 to about 7.
Claim 20
Dependent Claim 17 words
An ink composition in accordance with claim 19, wherein R 4 is hydrogen and t is 3.
Claim 21
Dependent Claim 37 words
An ink composition in accordance with claim 19, wherein said ink composition comprises a mixture of the terminal diol and the lactam, having a weight ratio of terminal diol : lactam at about 20:80 to about 80:20.
Claim 22
Dependent Claim 16 words
An ink composition in accordance with claim 18 which includes a pigment dispersed with a dispersant.
Claim 23
Dependent Claim 15 words
An ink composition in accordance with claim 22, wherein said dispersant is a polymeric dispersant.
Claim 24
Dependent Claim 27 words
An ink composition in accordance with claim 23, wherein said polymeric dispersant is prepared from methacrylate, methacrylol-terminated polydimethylsiloxane and stearyl methacrylate in a 22:1:1 molar ratio, respectively.

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