[go: up one dir, main page]

GB617115A - Improvements in or relating to the diazotype process and light sensitive material for use therewith - Google Patents

Improvements in or relating to the diazotype process and light sensitive material for use therewith

Info

Publication number
GB617115A
GB617115A GB22906/46A GB2290646A GB617115A GB 617115 A GB617115 A GB 617115A GB 22906/46 A GB22906/46 A GB 22906/46A GB 2290646 A GB2290646 A GB 2290646A GB 617115 A GB617115 A GB 617115A
Authority
GB
United Kingdom
Prior art keywords
methyl
group
cyanmethylbenzthiazole
ethobromide
aug
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
GB22906/46A
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten 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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB617115A publication Critical patent/GB617115A/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
    • G03C1/58—Coupling substances therefor

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)
GB22906/46A 1945-08-03 1946-08-01 Improvements in or relating to the diazotype process and light sensitive material for use therewith Expired GB617115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE266905X 1945-08-03

Publications (1)

Publication Number Publication Date
GB617115A true GB617115A (en) 1949-02-01

Family

ID=3866827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22906/46A Expired GB617115A (en) 1945-08-03 1946-08-01 Improvements in or relating to the diazotype process and light sensitive material for use therewith

Country Status (7)

Country Link
US (1) US2531091A (xx)
BE (1) BE459543A (xx)
CH (1) CH266905A (xx)
ES (1) ES176413A1 (xx)
FR (1) FR931187A (xx)
GB (1) GB617115A (xx)
NL (1) NL62542C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644753A (en) * 1948-11-05 1953-07-07 Azo dyes and their use in color

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966201C (de) * 1953-08-14 1957-07-18 Bayer Ag Verfahren zur Herstellung von Cyclohexanonoxim durch katalytische Hydrierung von Nitrocyclohexansalzen
DE1252527B (xx) * 1963-11-20
JPS50137721A (xx) * 1974-04-22 1975-11-01

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1822065A (en) * 1928-10-19 1931-09-08 Kalle & Co Ag Azo dyestuff components and process of preparing them
USRE20708E (en) * 1931-07-08 1938-04-26 accelerated diazo feinting and ma-
BE429448A (xx) * 1937-07-30
BE437025A (xx) * 1938-12-05
GB532804A (en) * 1939-07-22 1941-01-31 John David Kendall Improvements in or relating to colour photography
US2405523A (en) * 1944-08-09 1946-08-06 Du Pont Light-sensitive photographic compositions and elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644753A (en) * 1948-11-05 1953-07-07 Azo dyes and their use in color

Also Published As

Publication number Publication date
ES176413A1 (es) 1948-07-01
BE459543A (xx) 1900-01-01
NL62542C (xx)
CH266905A (fr) 1950-02-28
US2531091A (en) 1950-11-21
FR931187A (fr) 1948-02-16

Similar Documents

Publication Publication Date Title
GB1039453A (en) 3-pyrazolidinone derivatives and their use in photographic developers
GB1069366A (en) Light-sensitive copying material
GB617115A (en) Improvements in or relating to the diazotype process and light sensitive material for use therewith
GB828390A (en) Diazotype materials containing coupling components for high opacity ultraviolet yellows and visually dense sepias
US3338713A (en) Diazotype material
GB560253A (en) Improvements in the production of photographic silver images in blue-black tones using a methylol nitromethane
US3615575A (en) Two-component black-line diazo-type material
US2066918A (en) Light-sensitive material and a proc
GB687751A (en) Process and material for the direct production of positive photographic images
GB705565A (en) Light sensitive diazo type layers
GB711390A (en) Improvements in or relating to photographic light-sensitive diazotype materials
US2669515A (en) Direct positive emulsions
US3169869A (en) Diazotype material
US3615537A (en) Heat-developable diazotype material
US2350138A (en) Nondiffusing acylacetyl sulphonamide coupler
GB656364A (en) Diazotype photo-printing layers containing resorcinol derivatives
GB638453A (en) Photoprinting material
GB803783A (en) Photographic materials
GB1106061A (en) Photographic development
US3699000A (en) Diazotype photoprinting material
US3580723A (en) Light-sensitive silver halide photographic emulsion
US3615605A (en) Light-sensitive silver halide color-photographic material containing naphthal color couplers
US2362519A (en) Process of color photography utilizing immobile 2-substituted-1-naphthylamines
US3664840A (en) Diazotype photoprinting material
GB660856A (en) Improvements in or relating to photographic materials