DE69225461D1 - Stabilization of thermal images - Google Patents

Stabilization of thermal images

Info

Publication number
DE69225461D1
DE69225461D1 DE69225461T DE69225461T DE69225461D1 DE 69225461 D1 DE69225461 D1 DE 69225461D1 DE 69225461 T DE69225461 T DE 69225461T DE 69225461 T DE69225461 T DE 69225461T DE 69225461 D1 DE69225461 D1 DE 69225461D1
Authority
DE
Germany
Prior art keywords
stabilization
thermal images
images
thermal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69225461T
Other languages
German (de)
Other versions
DE69225461T2 (en
Inventor
Rong C Liang
Rita S Shon Baker
Stephen R Sofen
Michael A Young
William C Schwarzel
Robert P Short
Larry C Takiff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polaroid Corp
Original Assignee
Polaroid Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/795,101 external-priority patent/US5206208A/en
Priority claimed from US07/795,102 external-priority patent/US5210064A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of DE69225461D1 publication Critical patent/DE69225461D1/en
Publication of DE69225461T2 publication Critical patent/DE69225461T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/337—Additives; Binders
    • B41M5/3375—Non-macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
DE1992625461 1991-11-20 1992-10-10 Stabilization of thermal images Expired - Fee Related DE69225461T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/795,101 US5206208A (en) 1991-11-20 1991-11-20 Stabilization of thermal images
US07/795,102 US5210064A (en) 1991-11-20 1991-11-20 Stabilization of thermal images

Publications (2)

Publication Number Publication Date
DE69225461D1 true DE69225461D1 (en) 1998-06-18
DE69225461T2 DE69225461T2 (en) 1998-10-01

Family

ID=27121593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992625461 Expired - Fee Related DE69225461T2 (en) 1991-11-20 1992-10-10 Stabilization of thermal images

Country Status (4)

Country Link
EP (1) EP0543136B1 (en)
JP (1) JP3155381B2 (en)
CA (1) CA2080098A1 (en)
DE (1) DE69225461T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7329630B2 (en) * 2003-09-05 2008-02-12 Hewlett-Packard Development Company, L.P. Stabilizers and anti-fade agents for use in infrared sensitive leuco dye compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56144193A (en) * 1980-04-10 1981-11-10 Jujo Paper Co Ltd Heat-sensitive recording sheet
DE69026313T2 (en) * 1989-06-30 1996-10-24 New Oji Paper Co Process for the production of a heat-sensitive recording material

Also Published As

Publication number Publication date
DE69225461T2 (en) 1998-10-01
EP0543136A1 (en) 1993-05-26
JPH05232621A (en) 1993-09-10
JP3155381B2 (en) 2001-04-09
EP0543136B1 (en) 1998-05-13
CA2080098A1 (en) 1993-05-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee