FR868365A - Process for sensitizing photographic layers based on disazo - Google Patents

Process for sensitizing photographic layers based on disazo

Info

Publication number
FR868365A
FR868365A FR868365DA FR868365A FR 868365 A FR868365 A FR 868365A FR 868365D A FR868365D A FR 868365DA FR 868365 A FR868365 A FR 868365A
Authority
FR
France
Prior art keywords
disazo
layers based
photographic layers
sensitizing photographic
sensitizing
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 FR868365A publication Critical patent/FR868365A/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
    • G03C1/61—Compositions containing diazo compounds as photosensitive substances with non-macromolecular additives

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR868365D 1939-12-27 1940-12-26 Process for sensitizing photographic layers based on disazo Expired FR868365A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE217787X 1939-12-27
DEK4418D DE906406C (en) 1939-12-27 1940-08-06 Process for increasing the sensitivity of diazo blueprint layers

Publications (1)

Publication Number Publication Date
FR868365A true FR868365A (en) 1941-12-29

Family

ID=25762384

Family Applications (2)

Application Number Title Priority Date Filing Date
FR868365D Expired FR868365A (en) 1939-12-27 1940-12-26 Process for sensitizing photographic layers based on disazo
FR51642D Expired FR51642E (en) 1939-12-27 1941-06-17 Process for sensitizing photographic layers based on disazo

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR51642D Expired FR51642E (en) 1939-12-27 1941-06-17 Process for sensitizing photographic layers based on disazo

Country Status (5)

Country Link
US (2) US2322982A (en)
BE (2) BE441985A (en)
CH (3) CH217787A (en)
DE (2) DE903061C (en)
FR (2) FR868365A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501874A (en) * 1946-06-12 1950-03-28 Gen Aniline & Film Corp Photographic diazo-sensitized glassine paper
US2531485A (en) * 1947-04-02 1950-11-28 Gen Aniline & Film Corp Diazotypes comprising amine salts of sulfonic acid containing azo components
US2542849A (en) * 1948-10-22 1951-02-20 Gen Aniline & Film Corp Diazotypes containing pyronones
GB1053276A (en) * 1964-04-01
US3525618A (en) * 1964-12-04 1970-08-25 Geigy Ag J R Diazotype film materials
US3515554A (en) * 1966-07-25 1970-06-02 Philips Corp Diazo type paper and new high speed diazo reproduction process
US3485631A (en) * 1966-11-17 1969-12-23 Kalvar Corp Vesicular photographic materials
US3466172A (en) * 1967-01-13 1969-09-09 Ibm Method of using photographic vesicular and diazo films having diazo antihalation layers
DE1668358C3 (en) * 1968-01-17 1980-04-03 Hoechst Ag, 6000 Frankfurt 6-phenyl-a-pyrones as an absorbent for UV radiation
GB1250252A (en) * 1969-03-28 1971-10-20
US3907561A (en) * 1972-10-06 1975-09-23 Ricoh Kk Pyronyl-pyrylium sensitizers for electrophotographic organic photoconductors
US4147552A (en) * 1976-05-21 1979-04-03 Eastman Kodak Company Light-sensitive compositions with 3-substituted coumarin compounds as spectral sensitizers
US4284704A (en) * 1976-08-13 1981-08-18 Eastman Kodak Company Photographic elements with incorporated hydrogen source photoreductant and tetrazolium salt
JPS566236A (en) * 1979-06-28 1981-01-22 Fuji Photo Film Co Ltd Photosensitive material and pattern forming method using it
DD154402A1 (en) * 1980-12-15 1982-03-17 Fred Walkow DIAZONIUM SALT CONTAINING DIAZOTYPE MATERIAL

Also Published As

Publication number Publication date
CH217787A (en) 1941-11-15
US2322982A (en) 1943-06-29
DE906406C (en) 1954-03-15
US2378583A (en) 1945-06-19
BE440077A (en)
DE903061C (en) 1954-02-01
CH232522A (en) 1944-05-31
CH230638A (en) 1944-01-15
BE441985A (en)
FR51642E (en) 1943-03-18

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