GB1319073A - Heat-sensitive colour-developable compositions and materials - Google Patents

Heat-sensitive colour-developable compositions and materials

Info

Publication number
GB1319073A
GB1319073A GB2550570A GB2550570A GB1319073A GB 1319073 A GB1319073 A GB 1319073A GB 2550570 A GB2550570 A GB 2550570A GB 2550570 A GB2550570 A GB 2550570A GB 1319073 A GB1319073 A GB 1319073A
Authority
GB
United Kingdom
Prior art keywords
materials
heat
sensitive colour
hydrazine
prepared
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
Application number
GB2550570A
Other languages
English (en)
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB1319073A publication Critical patent/GB1319073A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/333Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333Non-macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/32Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers one component being a heavy metal compound, e.g. lead or iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00Printing plates or foils; Materials therefor
    • B41N1/24Stencils; Stencil materials; Carriers therefor
    • B41N1/242Backing sheets; Top sheets; Intercalated sheets, e.g. cushion sheets; Release layers or coatings; Means to obtain a contrasting image, e.g. with a carbon sheet or coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/337Additives; Binders
    • B41M5/3377Inorganic compounds, e.g. metal salts of organic acids

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)
  • Color Printing (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Printing Methods (AREA)
GB2550570A 1970-01-09 1970-05-27 Heat-sensitive colour-developable compositions and materials Expired GB1319073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45002797A JPS4913031B1 (enrdf_load_stackoverflow) 1970-01-09 1970-01-09

Publications (1)

Publication Number Publication Date
GB1319073A true GB1319073A (en) 1973-05-31

Family

ID=11539347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2550570A Expired GB1319073A (en) 1970-01-09 1970-05-27 Heat-sensitive colour-developable compositions and materials

Country Status (6)

Country Link
US (1) US3689302A (enrdf_load_stackoverflow)
JP (1) JPS4913031B1 (enrdf_load_stackoverflow)
DE (1) DE2021432B2 (enrdf_load_stackoverflow)
DK (1) DK126978B (enrdf_load_stackoverflow)
FR (1) FR2048845A5 (enrdf_load_stackoverflow)
GB (1) GB1319073A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790932A (fr) * 1971-11-01 1973-03-01 Fuji Photo Film Co Ltd Feuille d'enregistrement
BE794459A (fr) * 1972-01-24 1973-05-16 Fuji Photo Film Co Ltd Feuille d'enregistrement
US3900324A (en) * 1972-06-25 1975-08-19 Ozalid Co Ltd Treatment of synthetic polyester film products
JPS527372B2 (enrdf_load_stackoverflow) * 1972-07-14 1977-03-02
US3871065A (en) * 1972-08-02 1975-03-18 Gen Co Ltd Thermal printing process
JPS551195B2 (enrdf_load_stackoverflow) * 1972-09-27 1980-01-12
DE2334227A1 (de) * 1973-07-05 1975-01-23 Basf Ag Griffestes, druckempfindliches durchschreibematerial
JPS542037U (enrdf_load_stackoverflow) * 1977-06-07 1979-01-08
JPH035195A (ja) * 1989-06-02 1991-01-10 Tomoegawa Paper Co Ltd 感熱孔版用原紙
US6518468B1 (en) * 1994-09-16 2003-02-11 Albemarle Corporation Bromination process
KR102593903B1 (ko) * 2023-03-08 2023-10-25 (주)스케일트론 차량용 타이어 버핑장치

Also Published As

Publication number Publication date
DK126978B (da) 1973-09-10
US3689302A (en) 1972-09-05
FR2048845A5 (enrdf_load_stackoverflow) 1971-03-19
DE2021432A1 (de) 1971-07-15
DE2021432B2 (de) 1971-11-11
JPS4913031B1 (enrdf_load_stackoverflow) 1974-03-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee