BE804221A - Desensitising compounds - for use with colour former/colour developer copying systems - Google Patents

Desensitising compounds - for use with colour former/colour developer copying systems

Info

Publication number
BE804221A
BE804221A BE135112A BE135112A BE804221A BE 804221 A BE804221 A BE 804221A BE 135112 A BE135112 A BE 135112A BE 135112 A BE135112 A BE 135112A BE 804221 A BE804221 A BE 804221A
Authority
BE
Belgium
Prior art keywords
colour
former
copying systems
desensitising
developer
Prior art date
Application number
BE135112A
Other languages
French (fr)
Inventor
A Miyamoto
H Matsukawa
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of BE804221A publication Critical patent/BE804221A/en

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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/128—Desensitisers; Compositions for fault correction, detection or identification of the layers

Abstract

Desensitising cpds. of formula (I) or their reaction products with an epoxide cpd. which prevent colour formation in a colourless colour former/colour developer system where R is H1 alkyl R1R2 are alkylene.
BE135112A 1972-08-30 1973-08-30 Desensitising compounds - for use with colour former/colour developer copying systems BE804221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8701172A JPS5516188B2 (en) 1972-08-30 1972-08-30

Publications (1)

Publication Number Publication Date
BE804221A true BE804221A (en) 1973-12-17

Family

ID=13903008

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135112A BE804221A (en) 1972-08-30 1973-08-30 Desensitising compounds - for use with colour former/colour developer copying systems

Country Status (2)

Country Link
JP (1) JPS5516188B2 (en)
BE (1) BE804221A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642685A (en) * 1979-09-17 1981-04-20 Fuji Photo Film Co Ltd Desensitizer composition
US4927971A (en) * 1988-05-11 1990-05-22 Mitsubishi Paper Mills Ltd. Desensitizer composition

Also Published As

Publication number Publication date
JPS4943708A (en) 1974-04-24
JPS5516188B2 (en) 1980-04-30

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