CH271388A - Developer containing an azo dye component for the positive diazo process. - Google Patents

Developer containing an azo dye component for the positive diazo process.

Info

Publication number
CH271388A
CH271388A CH271388DA CH271388A CH 271388 A CH271388 A CH 271388A CH 271388D A CH271388D A CH 271388DA CH 271388 A CH271388 A CH 271388A
Authority
CH
Switzerland
Prior art keywords
developer containing
azo dye
dye component
diazo process
positive diazo
Prior art date
Application number
Other languages
German (de)
Inventor
Chemische Fabriek L Va Grinten
Original Assignee
Grinten Chem L V D
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 filed Critical Grinten Chem L V D
Publication of CH271388A publication Critical patent/CH271388A/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
    • 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)
CH271388D 1947-07-14 1948-07-12 Developer containing an azo dye component for the positive diazo process. CH271388A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH271388A true CH271388A (en) 1950-10-31

Family

ID=19750422

Family Applications (1)

Application Number Title Priority Date Filing Date
CH271388D CH271388A (en) 1947-07-14 1948-07-12 Developer containing an azo dye component for the positive diazo process.

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB867630A (en) * 1958-06-04 1961-05-10 Grinten Chem L V D Diazotype material
NL268816A (en) * 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 (en) * 1995-02-24 1999-05-07 Dev Activites Chimiques Distri AQUEOUS BOREAL SOLUTION, PARTICULARLY FOR THE ADJUVANTATION OF AMYLACEOUS ADHESIVE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE353508A (en) * 1927-08-22
FR671984A (en) * 1928-03-24 1929-12-20 Kalle & Co Ag Process for the development of 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

Also Published As

Publication number Publication date
GB643309A (en) 1950-09-15
US2657137A (en) 1953-10-27
NL65605C (en)
BE483932A (en)

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