FR783415A - Process for obtaining negative photogravures using diazo compounds - Google Patents

Process for obtaining negative photogravures using diazo compounds

Info

Publication number
FR783415A
FR783415A FR783415DA FR783415A FR 783415 A FR783415 A FR 783415A FR 783415D A FR783415D A FR 783415DA FR 783415 A FR783415 A FR 783415A
Authority
FR
France
Prior art keywords
photogravures
diazo compounds
obtaining negative
negative
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR783415A publication Critical patent/FR783415A/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

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)
FR783415D 1934-01-04 1934-12-28 Process for obtaining negative photogravures using diazo compounds Expired FR783415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE434761X 1934-01-04

Publications (1)

Publication Number Publication Date
FR783415A true FR783415A (en) 1935-07-12

Family

ID=6506671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783415D Expired FR783415A (en) 1934-01-04 1934-12-28 Process for obtaining negative photogravures using diazo compounds

Country Status (4)

Country Link
US (1) US2095408A (en)
BE (1) BE407031A (en)
FR (1) FR783415A (en)
GB (1) GB434761A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416021A (en) * 1944-12-29 1947-02-18 Gen Aniline & Film Corp Light sensitive diazotype compositions and process
US2542716A (en) * 1945-07-16 1951-02-20 Gen Aniline & Film Corp Multicolor diazotype layers
US2542715A (en) * 1945-07-16 1951-02-20 Gen Aniline & Film Corp Multicolor diazotype layers
NL261709A (en) * 1960-03-04
US3409455A (en) * 1965-01-04 1968-11-05 Gaf Corp Process of reproduction on benzene diazonium fluoborate sheet by heat exposure

Also Published As

Publication number Publication date
BE407031A (en)
GB434761A (en) 1935-09-09
US2095408A (en) 1937-10-12

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