GB748172A - Improved method of producing photographic images - Google Patents

Improved method of producing photographic images

Info

Publication number
GB748172A
GB748172A GB7512/52A GB751252A GB748172A GB 748172 A GB748172 A GB 748172A GB 7512/52 A GB7512/52 A GB 7512/52A GB 751252 A GB751252 A GB 751252A GB 748172 A GB748172 A GB 748172A
Authority
GB
United Kingdom
Prior art keywords
acid
regression
acetate
diazosulphonate
agents
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
GB7512/52A
Other languages
English (en)
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
Publication of GB748172A publication Critical patent/GB748172A/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
    • G03C1/62—Metal 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)
GB7512/52A 1951-03-27 1952-03-24 Improved method of producing photographic images Expired GB748172A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB748172A true GB748172A (en) 1956-04-25

Family

ID=19783537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7512/52A Expired GB748172A (en) 1951-03-27 1952-03-24 Improved method of producing photographic images

Country Status (7)

Country Link
US (1) US2735773A (lt)
BE (1) BE510182A (lt)
CH (2) CH307649A (lt)
DE (1) DE921245C (lt)
FR (1) FR1062459A (lt)
GB (1) GB748172A (lt)
NL (2) NL77917C (lt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL241688A (lt) * 1959-07-27
NL283265A (lt) * 1962-09-14

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL46296C (lt) * 1930-02-05
BE429591A (lt) * 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
CH307649A (de) 1955-06-15
DE921245C (de) 1954-12-13
BE510182A (lt)
FR1062459A (fr) 1954-04-23
US2735773A (en) 1956-02-21
CH309212A (de) 1955-08-31
NL77917C (lt)
NL160094B (nl)

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