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FR853868A - Method for obtaining reproduction of images by means of disazo compounds - Google Patents

Method for obtaining reproduction of images by means of disazo compounds

Info

Publication number
FR853868A
FR853868A FR853868DA FR853868A FR 853868 A FR853868 A FR 853868A FR 853868D A FR853868D A FR 853868DA FR 853868 A FR853868 A FR 853868A
Authority
FR
France
Prior art keywords
images
disazo compounds
obtaining reproduction
reproduction
obtaining
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)
Inventor
Frangialli
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 filed Critical
Application granted granted Critical
Publication of FR853868A publication Critical patent/FR853868A/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
    • G03C1/54—Diazonium salts or diazo anhydrides
    • 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

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)
  • Pyrane Compounds (AREA)
  • Color Printing (AREA)
FR853868D 1938-11-19 1938-11-19 Method for obtaining reproduction of images by means of disazo compounds Expired FR853868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR887731X 1938-11-19

Publications (1)

Publication Number Publication Date
FR853868A true FR853868A (en) 1940-03-30

Family

ID=9376291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853868D Expired FR853868A (en) 1938-11-19 1938-11-19 Method for obtaining reproduction of images by means of disazo compounds

Country Status (5)

Country Link
US (1) US2313288A (en)
CH (1) CH219164A (en)
DE (1) DE887731C (en)
FR (1) FR853868A (en)
GB (1) GB581001A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571671A (en) * 1946-01-18 1951-10-16 Hartford Nat Bank & Trust Co Process of producing photographic contrasts
US2571670A (en) * 1946-01-21 1951-10-16 Hartford Nat Bank & Trust Co Method of producing photographic contrasts
US2588218A (en) * 1946-06-01 1952-03-04 Hartford Nat Bank & Trust Co Method of drying photographic material

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691587A (en) * 1949-07-20 1954-10-12 Rca Corp Developing of diazotype images
US2727820A (en) * 1952-04-29 1955-12-20 Gen Aniline & Film Corp Light-sensitive diazotype layers containing carboxamides
US2732299A (en) * 1952-07-22 1956-01-24 Light sensitive
NL264445A (en) * 1959-04-22
NL261709A (en) * 1960-03-04
DE1572048C3 (en) * 1965-09-10 1978-10-26 Hoechst Ag, 6000 Frankfurt Heat developable diazotype material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE82239C (en) *
DE381551C (en) * 1920-11-29 1923-09-21 Kalle & Co Akt Ges Process for developing copies from diazo anhydrides
DE383510C (en) * 1921-07-30 1923-10-13 Kalle & Co Akt Ges Production of diazotypes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571671A (en) * 1946-01-18 1951-10-16 Hartford Nat Bank & Trust Co Process of producing photographic contrasts
US2571670A (en) * 1946-01-21 1951-10-16 Hartford Nat Bank & Trust Co Method of producing photographic contrasts
US2588218A (en) * 1946-06-01 1952-03-04 Hartford Nat Bank & Trust Co Method of drying photographic material

Also Published As

Publication number Publication date
DE887731C (en) 1953-08-27
GB581001A (en) 1946-09-27
CH219164A (en) 1942-01-31
US2313288A (en) 1943-03-09

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