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EP0550050A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Thermal dye transfer printing method

Assignee: Panasonic Holdings Corp
•
Filing: 1992-12-28
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Granted: —
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Expires: 2012-12-28
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Abstract

Abstract The present invention enables to print the image of high picture quality on an ordinary paper or other arbitrary substrate for sublimation thermal transfer printing by the thermal transfer printing method, wherein using the combination of a transfer printing member with a coloring material layer on the substrate A, intermediate medium with dye-receiving layer on the substrate B and an image receiving member.

Inventors

  • 👤 Akihiro Imai
  • 👤 Hiroyuki Matsuo
  • 👤 Yasuo Fukui
  • 👤 Nobuyoshi Taguchi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 21:50
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/10; B32B38/14; B41; B41M; B41M5/00; B41M5/025; B41M5/035; B41M5/26; B41M5/382; B41M5/38257; B41M5/50; B41M5/52; B41M7/00; B41M7/0027; B41M5/502; B41M5/506; B41M5/5236; B41M5/5254; B41M5/5263; B41M5/5272; B41M5/5281; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 179 words
Thermal transfer printing method wherein using the combination of a transfer printing member having a coloring material layer on the substrate A, an intermediate medium having a dye-receiving layer on the substrate B and an image receiving member, said dye-receiving layer being formed by using at least a polymer having flow softening point of less than 300 °C, first the coloring material layer of the transfer printing member is overlapped with the dye-receiving layer of the intermediate medium and then sublimation type thermal transfer image is transfer-printed in the dye-receiving layer of the intermediate medium by heating the transfer printing member with a printing head and subsequently the intermediate medium is overlapped with said image receiving member in the manner that the dye-receiving layer with printed image comes to the side of said image receiving member and the dye-receiving layer with printed image is transferred from the substrate B of the intermediate medium on to said image receiving member by heat and/or pressure and further the dye-receiving layer is fixed on the image receiving member by heat and/or pressure.
Claim 2
Dependent Claim 174 words
Thermal transfer printing method wherein using the combination of transfer printing member with coloring material layer on the substrate A, intermediate medium with dye-receiving layer on the substrate B and an image receiving member, said dye-receiving layer being formed by using at least a polymer with polymerization degree of less than 3000, first the coloring material layer of the transfer printing member is overlapped with the dye-receiving layer of the intermediate medium and sublimation type thermal transfer image is transfer-printed in the dye-receiving layer of the intermediate medium by heating the transfer printing member with a printing head and subsequently the intermediate medium is overlapped with said image receiving member in the manner that the dye-receiving layer surface with the printed image comes to the side of the image receiving member and the dye-receiving layer with the printed image is transferred from the substrate B of the intermediate medium to said image receiving member by heat and/or pressure and thereafter the dye-receiving layer is fixed on the image receiving member by heat and/or pressure.
Claim 3
Dependent Claim 170 words
Thermal transfer printing method wherein using the combination of a transfer printing member with coloring material layer on the substrate A, intermediate medium having dye-receiving layer on the substrate B and an image receiving member, said dye-receiving layer being formed by using at least polyvinylacetal and first the surface of coloring material layer of the image transfer member is overlapped with the surface of dye-receiving layer of the intermediate medium and sublimation type thermal transfer printing image is transfer-printed in the dye-receiving layer of the intermediate medium by heating the transfer printing member with a printing head and subsequently the intermediate medium is overlapped with said image receiving member in the manner that the surface of dye-receiving layer with printed image comes to the side of said image receiving member and after transfer-printing the dye-receiving layer with printed image from the substrate B of the intermediate medium to said image receiving member by heat and/or pressure, the dye-receiving layer is fixed on the image receiving member by heat and/or pressure.
Claim 4
Dependent Claim 52 words
Thermal transfer printing method as described in Claim 1, 2 or 3 above wherein the intermediate medium has such construction that it has an successive lamination of polymer material layer and dye-receiving layer on the substrate B and said lamination is transferred on the image receiving member and then it is fixed.
Claim 5
Dependent Claim 53 words
Thermal transfer printing method as described in Claim 1, 2 or 3 wherein the intermediate medium has such construction that it has a successive lamination of releasing layer and dye-receiving layer on the substrate B and dye-receiving layer in said lamination is transferred on the image receiving member and then it is fixed.
Claim 6
Dependent Claim 59 words
Thermal transfer printing method as described in Claim 1, 2 or 3 above wherein intermediate medium has such construction that it has a successive lamination of releasing layer, polymer material layer and dye-receiving layer on substrate B and polymer material layer and dye-receiving layer in said lamination are transferred on the image receiving member and then they are fixed.
Claim 7
Dependent Claim 48 words
Intermediate medium used for thermal transfer printing method described in Claim 1, 2, 3, 4, 5 or 6 above which has dye-receiving layer on the substrate B and said dye-receiving layer is formed at least by using the polymer with flow softening point of less than 300 °C.
Claim 8
Dependent Claim 48 words
Intermediate medium used for thermal transfer printing method described in Claim 1, 2, 3, 4, 5 or 6 above which has a dye-receiving layer on the substrate B and said dye-receiving layer is formed at least by using a polymer with average polymerization degree of less than 3000.
Claim 9
Dependent Claim 42 words
Intermediate medium used for thermal transfer printing method described in Claim 1, 2, 3, 4, 5 or 6 above wherein the intermediate medium has a dye-receiving layer on the substrate B and said dye-receiving layer is formed at least by using polyvinylacetal.
Claim 10
Dependent Claim 31 words
Intermediate medium described in Claim 7, 8 or 9 above which has such construction that it has a successive lamination of polymer material layer and dye-receiving layer on the substrate B.
Claim 11
Dependent Claim 30 words
Intermediate medium described in Claim 7, 8 or 9 above which has such construction that it has a successive lamination of releasing layer and dye-receiving layer on the substrate B.
Claim 12
Dependent Claim 33 words
Intermediate medium described in Claim 7, 8 and 9 above which has such construction that it has a successive lamination of releasing layer, polymer material layer and dye-receiving layer on the substrate B.
Claim 13
Dependent Claim 30 words
Intermediate medium described in Claim 10 or 12 above wherein polymer material layer is formed at least by using the polymer with flow softening point of less than 300 °C.
Claim 14
Dependent Claim 30 words
Intermediate medium described in Claim 10 or 12 above wherein the polymer material layer is formed at least by using the polymer with average polymerization degree of less than 3000.
Claim 15
Dependent Claim 78 words
Intermediate medium described in Claim 10 or 12 above wherein the polymer material layer is formed at least by using at least one kind of polymer material selected out of acrylonitrile-styrene copolymer resin, polystyrene, styrene-acrylic copolymer resin, rubber chloride, chlorinated polypropylene, polyvinyl chloride resin, chlorinated polyvinyl chloride resin, vinyl acetate resin, vinyl chloride-vinyl acetate copolymer resin, vinyl chloride-acrylic acid ester copolymer resin, saturated polyester, polyester urethane, polyvinyl acetal, polyvinyl alcohol, cellulose derivative, processed starch, starch derivative or polycarbonate.

References Cited (Backward Citations)

EP0455213A1 Cited
EP0496337A1 Cited

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