GB643309A - Improved developer for the positive photographic diazotype-process - Google Patents

Improved developer for the positive photographic diazotype-process

Info

Publication number
GB643309A
GB643309A GB18553/48A GB1855348A GB643309A GB 643309 A GB643309 A GB 643309A GB 18553/48 A GB18553/48 A GB 18553/48A GB 1855348 A GB1855348 A GB 1855348A GB 643309 A GB643309 A GB 643309A
Authority
GB
United Kingdom
Prior art keywords
positive photographic
improved developer
photographic diazotype
diazotype
developer
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
GB18553/48A
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.)
Grinten Chem L V D
Chemische Fabriek L Van der Grinten NV
Original Assignee
Grinten Chem L V D
Chemische Fabriek L Van der Grinten 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 Grinten Chem L V D, Chemische Fabriek L Van der Grinten NV filed Critical Grinten Chem L V D
Publication of GB643309A publication Critical patent/GB643309A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/31—Regeneration; Replenishers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB18553/48A 1947-07-14 1948-07-09 Improved developer for the positive photographic diazotype-process Expired GB643309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL133451 1947-07-14

Publications (1)

Publication Number Publication Date
GB643309A true GB643309A (en) 1950-09-15

Family

ID=19750422

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18553/48A Expired GB643309A (en) 1947-07-14 1948-07-09 Improved developer for the positive photographic diazotype-process

Country Status (5)

Country Link
US (1) US2657137A (fr)
BE (1) BE483932A (fr)
CH (1) CH271388A (fr)
GB (1) GB643309A (fr)
NL (1) NL65605C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169869A (en) * 1958-06-04 1965-02-16 Grinten Chem L V D Diazotype material

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268816A (fr) * 1961-08-31
US3420666A (en) * 1964-10-15 1969-01-07 Gaf Corp Two-component heat developing diazotypes
US3409434A (en) * 1965-10-28 1968-11-05 Gaf Corp Resin precoated diazotype papers
US3752234A (en) * 1971-08-19 1973-08-14 Allied Chem Fire fighting system
FR2731008B1 (fr) * 1995-02-24 1999-05-07 Dev Activites Chimiques Distri Solution aqueuse boree, notamment pour l'adjuvantation de colle amylacee

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL27513C (fr) * 1927-08-22
FR671984A (fr) * 1928-03-24 1929-12-20 Kalle & Co Ag Procédé pour le développement de diazo-types
US1990800A (en) * 1932-07-29 1935-02-12 Eastman Kodak Co Photographic developer
US2197016A (en) * 1939-05-11 1940-04-16 Harris Seybold Potter Co Preservative for photographic developers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169869A (en) * 1958-06-04 1965-02-16 Grinten Chem L V D Diazotype material

Also Published As

Publication number Publication date
US2657137A (en) 1953-10-27
BE483932A (fr)
CH271388A (de) 1950-10-31
NL65605C (fr)

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