JPS5435723A - Diazo copying method - Google Patents

Diazo copying method

Info

Publication number
JPS5435723A
JPS5435723A JP10200477A JP10200477A JPS5435723A JP S5435723 A JPS5435723 A JP S5435723A JP 10200477 A JP10200477 A JP 10200477A JP 10200477 A JP10200477 A JP 10200477A JP S5435723 A JPS5435723 A JP S5435723A
Authority
JP
Japan
Prior art keywords
copying method
diazo copying
gray
exhibit
blue color
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.)
Granted
Application number
JP10200477A
Other languages
Japanese (ja)
Other versions
JPS6140978B2 (en
Inventor
Hiroshi Tamura
Kiyoshi Sakai
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
Priority to JP10200477A priority Critical patent/JPS5435723A/en
Publication of JPS5435723A publication Critical patent/JPS5435723A/en
Publication of JPS6140978B2 publication Critical patent/JPS6140978B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/58—Coupling substances therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

PURPOSE:To enable distinct black dye images which are stable despite minor variations in developing conditions and exhibit a gray or blue color to be obtained by using specific compound as a coupling component.
JP10200477A 1977-08-25 1977-08-25 Diazo copying method Granted JPS5435723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10200477A JPS5435723A (en) 1977-08-25 1977-08-25 Diazo copying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10200477A JPS5435723A (en) 1977-08-25 1977-08-25 Diazo copying method

Publications (2)

Publication Number Publication Date
JPS5435723A true JPS5435723A (en) 1979-03-16
JPS6140978B2 JPS6140978B2 (en) 1986-09-12

Family

ID=14315631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10200477A Granted JPS5435723A (en) 1977-08-25 1977-08-25 Diazo copying method

Country Status (1)

Country Link
JP (1) JPS5435723A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953833A (en) * 1982-09-22 1984-03-28 Ricoh Co Ltd Image forming composition
US4659644A (en) * 1983-12-22 1987-04-21 Ricoh Company, Ltd. Diazo-type thermosensitive recording material with hydrazone coupler and chelating metal compound

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953833A (en) * 1982-09-22 1984-03-28 Ricoh Co Ltd Image forming composition
JPH0437980B2 (en) * 1982-09-22 1992-06-23 Ricoh Kk
US4659644A (en) * 1983-12-22 1987-04-21 Ricoh Company, Ltd. Diazo-type thermosensitive recording material with hydrazone coupler and chelating metal compound

Also Published As

Publication number Publication date
JPS6140978B2 (en) 1986-09-12

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