FR2056231A5 - - Google Patents

Info

Publication number
FR2056231A5
FR2056231A5 FR7020228A FR7020228A FR2056231A5 FR 2056231 A5 FR2056231 A5 FR 2056231A5 FR 7020228 A FR7020228 A FR 7020228A FR 7020228 A FR7020228 A FR 7020228A FR 2056231 A5 FR2056231 A5 FR 2056231A5
Authority
FR
France
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
FR7020228A
Other languages
French (fr)
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
Priority claimed from JP1747570A external-priority patent/JPS4917291B1/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of FR2056231A5 publication Critical patent/FR2056231A5/fr
Expired 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
    • G03C1/585—Precursors

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)
  • Heat Sensitive Colour Forming Recording (AREA)
FR7020228A 1969-06-07 1970-06-02 Expired FR2056231A5 (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4474569 1969-06-07
JP1747570A JPS4917291B1 (OSRAM) 1970-02-28 1970-02-28

Publications (1)

Publication Number Publication Date
FR2056231A5 true FR2056231A5 (OSRAM) 1971-05-14

Family

ID=26353997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7020228A Expired FR2056231A5 (OSRAM) 1969-06-07 1970-06-02

Country Status (5)

Country Link
US (1) US3695885A (OSRAM)
DE (1) DE2018908C3 (OSRAM)
FR (1) FR2056231A5 (OSRAM)
GB (1) GB1307314A (OSRAM)
NL (1) NL7006018A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001944A1 (fr) * 1980-12-02 1982-06-10 Ceintrey Claude Materiaux diazotypes thermodeveloppables contenant un precurseur d'activateur liberant lors du chauffage une base forte

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1119873A (en) * 1976-10-22 1982-03-16 Scott Paper Company Diazo composition containing an azo coupling component precursor, a light sensitive acid progenitor and a carboxylic anhydride
EP0023673B1 (en) * 1979-08-03 1985-10-23 Kabushiki Kaisha Toshiba Device for performing a heat-sensitive recording, heat-sensitive recording sheet, and a method for performing a heat-sensitive recording
US4252884A (en) * 1979-08-14 1981-02-24 James River Graphics, Inc. Negative-working diazotype photoreproduction
JPS57125092A (en) * 1981-01-28 1982-08-04 Ricoh Co Ltd Diazonium series heat sensitive recording material
JPS60132789A (ja) * 1983-12-22 1985-07-15 Ricoh Co Ltd ジアゾ系感熱記録材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001944A1 (fr) * 1980-12-02 1982-06-10 Ceintrey Claude Materiaux diazotypes thermodeveloppables contenant un precurseur d'activateur liberant lors du chauffage une base forte
US4584256A (en) * 1980-12-02 1986-04-22 Rhone-Poulenc Systemes Diazotype materials which can be developed by heat and contain an activator precursor having 2-carboxy carboxamide group releasing a strong base during heating

Also Published As

Publication number Publication date
DE2018908C3 (de) 1975-10-16
GB1307314A (en) 1973-02-21
NL7006018A (OSRAM) 1970-12-09
DE2018908A1 (de) 1970-12-17
DE2018908B2 (de) 1975-03-13
US3695885A (en) 1972-10-03

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Legal Events

Date Code Title Description
ST Notification of lapse