GB614701A - Improvements in or relating to photographic materials and processing solutions therefor - Google Patents

Improvements in or relating to photographic materials and processing solutions therefor

Info

Publication number
GB614701A
GB614701A GB22202/46A GB2220246A GB614701A GB 614701 A GB614701 A GB 614701A GB 22202/46 A GB22202/46 A GB 22202/46A GB 2220246 A GB2220246 A GB 2220246A GB 614701 A GB614701 A GB 614701A
Authority
GB
United Kingdom
Prior art keywords
dithiourazole
phenyldithiourazole
silver
maximum density
addition
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
GB22202/46A
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.)
Elliott and Sons Ltd
Original Assignee
Elliott and Sons Ltd
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
Priority to BE474822D priority Critical patent/BE474822A/xx
Application filed by Elliott and Sons Ltd filed Critical Elliott and Sons Ltd
Priority to GB22202/46A priority patent/GB614701A/en
Priority to US761159A priority patent/US2534599A/en
Priority to FR950146D priority patent/FR950146A/fr
Publication of GB614701A publication Critical patent/GB614701A/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
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Paper (AREA)
GB22202/46A 1946-07-25 1946-07-25 Improvements in or relating to photographic materials and processing solutions therefor Expired GB614701A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE474822D BE474822A (lv) 1946-07-25
GB22202/46A GB614701A (en) 1946-07-25 1946-07-25 Improvements in or relating to photographic materials and processing solutions therefor
US761159A US2534599A (en) 1946-07-25 1947-07-15 Stabilized gelatino silver halide photographic emulsion
FR950146D FR950146A (fr) 1946-07-25 1947-07-25 Perfectionnements aux couches sensibles pour la photographie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22202/46A GB614701A (en) 1946-07-25 1946-07-25 Improvements in or relating to photographic materials and processing solutions therefor

Publications (1)

Publication Number Publication Date
GB614701A true GB614701A (en) 1948-12-20

Family

ID=10175585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22202/46A Expired GB614701A (en) 1946-07-25 1946-07-25 Improvements in or relating to photographic materials and processing solutions therefor

Country Status (4)

Country Link
US (1) US2534599A (lv)
BE (1) BE474822A (lv)
FR (1) FR950146A (lv)
GB (1) GB614701A (lv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857275A (en) * 1954-11-08 1958-10-21 Polaroid Corp Photographic compositions and processes
BE547364A (lv) * 1954-11-23
US3396017A (en) * 1964-10-23 1968-08-06 Eastman Kodak Co Light-developable direct-print silver halide emulsions containing urazole compounds as halogen acceptors
DE2336721A1 (de) * 1973-07-19 1975-02-06 Agfa Gevaert Ag Farbphotographisches mehrschichtenmaterial mit verbesserter farbdichte

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560240A (en) * 1924-08-11 1925-11-03 Jelley Edwin Ernest Photographic sensitizer
BE390036A (lv) * 1928-01-31
CH163039A (de) * 1931-07-24 1933-07-31 Ig Farbenindustrie Ag Verfahren zur Herstellung von lichtempfindlichen Silbersalzemulsionen.
GB436576A (en) * 1934-01-06 1935-10-14 Adolf Dressler Improved manufacture of gelatine for photographic purposes
US2353754A (en) * 1942-11-07 1944-07-18 Eastman Kodak Co Color photography using metallic salt coupler compounds
GB573105A (en) * 1943-11-26 1945-11-06 Leonard Vincent Chilton Improvements in or relating to photographic materials

Also Published As

Publication number Publication date
FR950146A (fr) 1949-09-19
US2534599A (en) 1950-12-19
BE474822A (lv)

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