FR878531A - Azo compounds for diazotyping - Google Patents

Azo compounds for diazotyping

Info

Publication number
FR878531A
FR878531A FR878531DA FR878531A FR 878531 A FR878531 A FR 878531A FR 878531D A FR878531D A FR 878531DA FR 878531 A FR878531 A FR 878531A
Authority
FR
France
Prior art keywords
diazotyping
azo compounds
azo
compounds
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
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.)
Cellophane SA France
Original Assignee
Cellophane SA France
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 Cellophane SA France filed Critical Cellophane SA France
Application granted granted Critical
Publication of FR878531A publication Critical patent/FR878531A/en
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

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)
  • Paper (AREA)
FR878531D 1941-01-18 1942-01-16 Azo compounds for diazotyping Expired FR878531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK4417D DE896453C (en) 1941-01-18 1941-01-18 Azo components for the diazo type

Publications (1)

Publication Number Publication Date
FR878531A true FR878531A (en) 1943-01-22

Family

ID=5709731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878531D Expired FR878531A (en) 1941-01-18 1942-01-16 Azo compounds for diazotyping

Country Status (4)

Country Link
BE (1) BE443226A (en)
CH (1) CH224979A (en)
DE (1) DE896453C (en)
FR (1) FR878531A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255486C2 (en) * 1963-09-14 1973-04-19 Kalle Ag Two component diazotype material
US3622325A (en) * 1968-03-07 1971-11-23 Ricoh Kk Diazotype photographic copying material adapted for wet development and for producing copied image in black color

Also Published As

Publication number Publication date
BE443226A (en) 1941-11-29
DE896453C (en) 1953-11-12
CH224979A (en) 1942-12-31

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