CH307649A - Process for generating photographic contrasts. - Google Patents

Process for generating photographic contrasts.

Info

Publication number
CH307649A
CH307649A CH307649DA CH307649A CH 307649 A CH307649 A CH 307649A CH 307649D A CH307649D A CH 307649DA CH 307649 A CH307649 A CH 307649A
Authority
CH
Switzerland
Prior art keywords
generating photographic
contrasts
photographic contrasts
generating
photographic
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 CH307649A publication Critical patent/CH307649A/en

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
    • G03C1/62—Metal compounds reducible to metal
CH307649D 1951-03-27 1952-03-25 Process for generating photographic contrasts. CH307649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL307649X 1951-03-27

Publications (1)

Publication Number Publication Date
CH307649A true CH307649A (en) 1955-06-15

Family

ID=19783537

Family Applications (2)

Application Number Title Priority Date Filing Date
CH307649D CH307649A (en) 1951-03-27 1952-03-25 Process for generating photographic contrasts.
CH309212D CH309212A (en) 1951-03-27 1952-03-25 Photosensitive layer.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH309212D CH309212A (en) 1951-03-27 1952-03-25 Photosensitive layer.

Country Status (7)

Country Link
US (1) US2735773A (en)
BE (1) BE510182A (en)
CH (2) CH307649A (en)
DE (1) DE921245C (en)
FR (1) FR1062459A (en)
GB (1) GB748172A (en)
NL (2) NL160094B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL241689A (en) * 1959-07-27
BE637400A (en) * 1962-09-14

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL46296C (en) * 1930-02-05
NL53832C (en) * 1937-08-09
US2616803A (en) * 1948-03-11 1952-11-04 Leonard E Ravich Diazotype dyeing and printing of web or sheet material

Also Published As

Publication number Publication date
US2735773A (en) 1956-02-21
CH309212A (en) 1955-08-31
GB748172A (en) 1956-04-25
FR1062459A (en) 1954-04-23
DE921245C (en) 1954-12-13
BE510182A (en)
NL77917C (en)
NL160094B (en)

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