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US4600628A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal transfer recording medium

Assignee: Konica Minolta Inc
•
Filing: 1985-02-27
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Granted: 1986-07-15
•
Expires: 2005-02-27
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Abstract

Abstract A thermal transfer recording medium comprising a support, an interlayer provided on said support and a coloring agent layer provided on said interlayer. The interlayer contains a cross-linking agent and the coloring agent layer contains a coloring agent and a reactive polymer. The transfer recording medium can be used repeatedly to provide printed copies of excellent quality.

Inventors

  • 👤 Fumio Ishii
  • 👤 Yoshihiro Inaba

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:48
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/42; B41M5/44; B41M5/382; B41M5/392; B41M5/395; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265

Claims Analysis

Total Claims: 30
Claim 1
Independent Claim 48 words
A thermal transfer recording medium comprising a support, an interlayer provided on said support and a coloring agent layer provided on said interlayer, said coloring agent layer contains a coloring agent and a reactive polymer and said interlayer contains a cross-linking agent which reacts with said reactive polymer.
Claim 2
Dependent Claim 48 words
A thermal transfer recording medium comprising a support, an interlayer provided on said support and a coloring agent layer provided on said interlayer, said coloring agent layer contains a coloring agent and a reactive polymer and said interlayer contains a cross-linking agent which reacts with said reactive polymer.
Claim 3
Dependent Claim 22 words
The thermal transfer recording medium according to claim 1, wherein said reactive polymer has a reactive group in the side chain thereof.
Claim 4
Dependent Claim 59 words
The thermal transfer recording medium according to claim 2, wherein said reactive group is selected from epoxy group, aziridinyl group, isocyanate group, thioisocyanate group, lactone group, ketene group, azlactone group, aldehyde group, vinyl group, amino group, mercapto group, acid hydrazide group, hydroxamic acid group, sulfonic acid chloride, acid azide group, sulfonic acid group, acid hydride group and triazine group.
Claim 5
Dependent Claim 29 words
The thermal transfer recording medium according to claim 2, wherein said coloring agent layer contains a heat-fusible substance having the melting point of from 40° C. to 120° C.
Claim 6
Dependent Claim 22 words
The thermal transfer recording medium according to claim 4, wherein said substance with a melting point of 40°-120° C. is micro-crystalline wax.
Claim 7
Dependent Claim 18 words
The thermal transfer recording medium according to claim 2, wherein said coloring agent layer further contains a plasticizer.
Claim 8
Dependent Claim 19 words
The thermal transfer recording medium according to claim 6, wherein said plasticizer is an ethylene-ethylacrylate copolymer or ethylene-vinylacetate copolymer.
Claim 9
Dependent Claim 32 words
The thermal transfer recording medium according to claim 2, wherein said coloring agent is selected from a group consisting of direct dyes, acid dyes, basic dyes, disperse dyes, oil-soluble dyes and pigments.
Claim 10
Dependent Claim 27 words
The thermal transfer recording medium according to claim 2, wherein said coloring agent layer has the thickness in the range of from 1 μm to 15 μm.
Claim 11
Dependent Claim 16 words
The thermal transfer recording medium according to claim 2, wherein said reactive polymer is methylmethacrylatediglycylmethacrylate copolymer.
Claim 12
Dependent Claim 29 words
The thermal transfer recording medium according to claim 1 wherein said coloring agent layer contains a heat-fusible substance having the melting point of from 40° C. to 120° C.
Claim 13
Dependent Claim 18 words
The thermal transfer recording medium according to claim 1, wherein said coloring agent layer further contains a plasticizer.
Claim 14
Dependent Claim 32 words
The thermal transfer recording medium according to claim 1, wherein said coloring agent is selected from a group consisting of direct dyes, acid dyes, basic dyes, disperse dyes, oil-soluble dyes and pigments.
Claim 15
Dependent Claim 16 words
The thermal transfer recording medium according to claim 13, wherein said coloring agent is carbon black.
Claim 16
Dependent Claim 19 words
The thermal transfer recording medium according to claim 12, wherein said plasticizer is an ethylene-ethylacrylate copolymer or ethylene-vinylacetate copolymer.
Claim 17
Dependent Claim 29 words
The thermal transfer recording medium according to claim 1, wherein said cross-linking agent is selected from the group consisting of amine compounds, phenol compounds, carboxylic compounds and alcohol compounds.
Claim 18
Dependent Claim 25 words
The thermal transfer recording medium according to claim 16, wherein said interlayer has the thickness in the range of from 0.1 μm to 3 μm.
Claim 19
Dependent Claim 16 words
The thermal transfer recording medium according to claim 16, wherein said cross-linking agent is hexamethylene diamine.
Claim 20
Dependent Claim 17 words
The thermal transfer recording medium according to claim 1, wherein said medium has a backing coat layer.
Claim 21
Dependent Claim 18 words
The thermal transfer recording medium according to claim 19, wherein said backing coat layer is a sticking-prevention layer.
Claim 22
Dependent Claim 27 words
The thermal transfer recording medium according to claim 1, wherein said coloring agent layer has the thickness in the range of from 1 μm to 15 μm.
Claim 23
Dependent Claim 25 words
The thermal transfer recording medium according to claim 1, wherein said interlayer has the thickness in the range of from 0.1 μm to 3 μm.
Claim 24
Dependent Claim 51 words
A thermal transfer recording medium comprising a support, an interlayer provided on said support and a coloring agent layer provided on said interlayer, said coloring agent layer contains a carbon black coloring agent and a methylmethacrylatediglycylmethacrylate copolymer and said interlayer contains a hexamethylene diamine cross-linking agent which reacts with said copolymer.
Claim 25
Dependent Claim 51 words
A thermal transfer recording medium comprising a support, an interlayer provided on said support and a coloring agent layer provided on said interlayer, said coloring agent layer contains a carbon black coloring agent and a methylmethacrylatediglycylmethacrylate copolymer and said interlayer contains a hexamethylene diamine cross-linking agent which reacts with said copolymer.
Claim 26
Dependent Claim 17 words
The thermal transfer recording medium according to claim 23, wherein said coloring agent layer contains microcrystalline wax.
Claim 27
Dependent Claim 15 words
The thermal transfer recording medium according to claim 24, wherein said support is polyethylene terephthalate.
Claim 28
Dependent Claim 52 words
A process of preparing a thermal transfer recording medium comprising: (1) coating an interlayer containing a cross-linking layer on a support; (2) coating a coloring agent layer containing a coloring agent and a reactive polymer on said interlayer; and (3) thereafter reacting said cross-linking agent and said reactive polymer with each other.
Claim 29
Dependent Claim 52 words
A process of preparing a thermal transfer recording medium comprising: (1) coating an interlayer containing a cross-linking layer on a support; (2) coating a coloring agent layer containing a coloring agent and a reactive polymer on said interlayer; and (3) thereafter reacting said cross-linking agent and said reactive polymer with each other.
Claim 30
Dependent Claim 26 words
The process of preparing a thermal transfer recording medium according to claim 26, wherein said reactive polymer has a reactive group in the side chain thereof.

References Cited (Backward Citations)

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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) 1989-07-14 1990-01-13 1990-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-07-14 1994-01-13 1994-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-07-14 1998-01-13 1998-07-15 $7700.00 Window Closed / Lapsed

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