DE3390001C2 - - Google Patents

Info

Publication number
DE3390001C2
DE3390001C2 DE19833390001 DE3390001A DE3390001C2 DE 3390001 C2 DE3390001 C2 DE 3390001C2 DE 19833390001 DE19833390001 DE 19833390001 DE 3390001 A DE3390001 A DE 3390001A DE 3390001 C2 DE3390001 C2 DE 3390001C2
Authority
DE
Germany
Prior art keywords
bis
sensitive recording
benzoquinone
heat
group
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
DE19833390001
Other languages
German (de)
English (en)
Other versions
DE3390001A1 (de
Inventor
Michihiro Tachikawa Tokio/Tokyo Jp Tsujimoto
Makoto Yokohama Kanagawa Jp Asano
Kiyoharu Kamakura Kanagawa Jp Hasegawa
Hiroyuki Yokosuka Kanagawa Jp Akahori
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to DE19833390001 priority Critical patent/DE3390001A1/de
Publication of DE3390001A1 publication Critical patent/DE3390001A1/de
Application granted granted Critical
Publication of DE3390001C2 publication Critical patent/DE3390001C2/de
Granted 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
    • B41M5/323—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)
  • Color Printing (AREA)
DE19833390001 1983-08-02 1983-08-02 Waermeempfindliche aufzeichnungseinheit Granted DE3390001A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833390001 DE3390001A1 (de) 1983-08-02 1983-08-02 Waermeempfindliche aufzeichnungseinheit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833390001 DE3390001A1 (de) 1983-08-02 1983-08-02 Waermeempfindliche aufzeichnungseinheit

Publications (2)

Publication Number Publication Date
DE3390001A1 DE3390001A1 (de) 1986-04-10
DE3390001C2 true DE3390001C2 (OSRAM) 1988-06-23

Family

ID=6223149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833390001 Granted DE3390001A1 (de) 1983-08-02 1983-08-02 Waermeempfindliche aufzeichnungseinheit

Country Status (1)

Country Link
DE (1) DE3390001A1 (OSRAM)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917271A1 (de) * 1979-04-27 1980-11-06 Bayer Ag Druck- und waermeempfindliches aufzeichnungsmaterial
US4352860A (en) * 1980-05-13 1982-10-05 Ricoh Company, Ltd. Thermosensitive recording material
US4398753A (en) * 1980-12-26 1983-08-16 Mitsui Toatsu Chemicals, Incorporated Pressure sensitive recording unit
AU545767B2 (en) * 1981-02-16 1985-08-01 Mitsui Toatsu Chemicals Inc. Dyestuff-containing microscopic capsule dispersion for record materials

Also Published As

Publication number Publication date
DE3390001A1 (de) 1986-04-10

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee