CH304416A - Process for producing photographic contrasts made of precious metal. - Google Patents

Process for producing photographic contrasts made of precious metal.

Info

Publication number
CH304416A
CH304416A CH304416DA CH304416A CH 304416 A CH304416 A CH 304416A CH 304416D A CH304416D A CH 304416DA CH 304416 A CH304416 A CH 304416A
Authority
CH
Switzerland
Prior art keywords
precious metal
producing photographic
photographic contrasts
contrasts made
producing
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH304416A publication Critical patent/CH304416A/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/52Compositions containing diazo compounds as photosensitive substances
    • G03C1/62Metal compounds reducible to metal

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH304416D 1951-03-28 1952-03-26 Process for producing photographic contrasts made of precious metal. CH304416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL304416X 1951-03-28

Publications (1)

Publication Number Publication Date
CH304416A true CH304416A (en) 1955-01-15

Family

ID=19783431

Family Applications (1)

Application Number Title Priority Date Filing Date
CH304416D CH304416A (en) 1951-03-28 1952-03-26 Process for producing photographic contrasts made of precious metal.

Country Status (7)

Country Link
US (1) US2733144A (en)
BE (1) BE510221A (en)
CH (1) CH304416A (en)
DE (1) DE923636C (en)
FR (1) FR1062461A (en)
GB (1) GB750494A (en)
NL (1) NL78902C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2868643A (en) * 1951-09-24 1959-01-13 Philips Corp Method of forming photographic images
BE637400A (en) * 1962-09-14
NL299034A (en) * 1963-10-09

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE407603A (en) * 1930-02-05
DE544945C (en) * 1930-05-29 1932-02-23 Kalle & Co Ag Process for the continuous finishing of images on films whose photosensitivity is based on the presence of diazo compounds
FR793614A (en) * 1934-10-27 1936-01-28 Kodak Pathe Improvements to processes and photographic products
US2150834A (en) * 1936-02-17 1939-03-14 Philips Nv Sound record and method of making same
BE429591A (en) * 1937-08-09
FR956666A (en) * 1941-05-29 1950-02-02
US2442061A (en) * 1944-09-26 1948-05-25 Gen Aniline & Film Corp Acid stabilized light-sensitive diazotype coating
NL66149C (en) * 1946-01-18
NL70689C (en) * 1946-01-21

Also Published As

Publication number Publication date
GB750494A (en) 1956-06-20
US2733144A (en) 1956-01-31
DE923636C (en) 1955-02-17
FR1062461A (en) 1954-04-23
NL78902C (en)
BE510221A (en)

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