GB439005A - Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein - Google Patents

Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein

Info

Publication number
GB439005A
GB439005A GB3180/35A GB318035A GB439005A GB 439005 A GB439005 A GB 439005A GB 3180/35 A GB3180/35 A GB 3180/35A GB 318035 A GB318035 A GB 318035A GB 439005 A GB439005 A GB 439005A
Authority
GB
United Kingdom
Prior art keywords
mercurous
diazo
paper
nitrate
solution
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
GB3180/35A
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 GB439005A publication Critical patent/GB439005A/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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB3180/35A 1930-02-05 1935-01-31 Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein Expired GB439005A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2067690X 1930-02-05
DEN0036278 1934-02-03

Publications (1)

Publication Number Publication Date
GB439005A true GB439005A (en) 1935-11-27

Family

ID=31994929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3180/35A Expired GB439005A (en) 1930-02-05 1935-01-31 Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein

Country Status (5)

Country Link
US (1) US2067690A (US07902200-20110308-C00004.png)
BE (1) BE407603A (US07902200-20110308-C00004.png)
FR (1) FR785041A (US07902200-20110308-C00004.png)
GB (1) GB439005A (US07902200-20110308-C00004.png)
NL (1) NL46296C (US07902200-20110308-C00004.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977368C (de) * 1939-03-09 1966-02-24 Philips Patentverwaltung Sensibilisierter, bandfoermiger Traeger aus regenerierter Cellulose und Verfahren zu seiner Herstellung
US2416021A (en) * 1944-12-29 1947-02-18 Gen Aniline & Film Corp Light sensitive diazotype compositions and process
NL66149C (US07902200-20110308-C00004.png) * 1946-01-18
BE485480A (US07902200-20110308-C00004.png) * 1947-10-27
NL76649C (US07902200-20110308-C00004.png) * 1949-04-09
NL85806C (US07902200-20110308-C00004.png) * 1950-05-26
BE504812A (US07902200-20110308-C00004.png) * 1950-07-25
BE506160A (US07902200-20110308-C00004.png) * 1950-10-03
NL82334C (US07902200-20110308-C00004.png) * 1951-03-20
US2838398A (en) * 1951-03-27 1958-06-10 Philips Corp Method of producing a physically developable latent photographic image
US2735773A (en) * 1951-03-27 1956-02-21 Method of producing a photographic
US2733144A (en) * 1951-03-28 1956-01-31 Method of producing photographic
US2741558A (en) * 1952-03-11 1956-04-10 Grinten Chem L V D Process for the manufacture of diazotype copies
US2754209A (en) * 1952-06-10 1956-07-10 Azoplate Corp Light-sensitive para quinone diazides for making printing plates
US2923626A (en) * 1956-09-18 1960-02-02 Philips Corp Method of forming photographic images
NL241541A (US07902200-20110308-C00004.png) * 1959-07-22
NL241689A (US07902200-20110308-C00004.png) * 1959-07-27
BE600885A (US07902200-20110308-C00004.png) * 1960-03-04
BE637400A (US07902200-20110308-C00004.png) * 1962-09-14
US3320064A (en) * 1963-03-19 1967-05-16 Eastman Kodak Co Non-silver halide light sensitive materials
US3409438A (en) * 1963-08-26 1968-11-05 Minnesota Mining & Mfg Photosensitive heat developable copysheet
GB1116674A (en) * 1966-02-28 1968-06-12 Agfa Gevaert Nv Naphthoquinone diazide sulphofluoride
US3779758A (en) * 1969-03-25 1973-12-18 Photocircuits Corp Photosensitive process for producing printed circuits employing electroless deposition

Also Published As

Publication number Publication date
FR785041A (fr) 1935-07-31
BE407603A (US07902200-20110308-C00004.png)
NL46296C (US07902200-20110308-C00004.png)
US2067690A (en) 1937-01-12

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