GB631243A - Improvements in sensitive photographic emulsions - Google Patents

Improvements in sensitive photographic emulsions

Info

Publication number
GB631243A
GB631243A GB26450/46A GB2645046A GB631243A GB 631243 A GB631243 A GB 631243A GB 26450/46 A GB26450/46 A GB 26450/46A GB 2645046 A GB2645046 A GB 2645046A GB 631243 A GB631243 A GB 631243A
Authority
GB
United Kingdom
Prior art keywords
emulsion
added
solution
sulphur
aqueous
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
GB26450/46A
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.)
RAIFE GIDEON TARKINGTON
Eastman Kodak Co
Original Assignee
RAIFE GIDEON TARKINGTON
Eastman Kodak Co
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 RAIFE GIDEON TARKINGTON, Eastman Kodak Co filed Critical RAIFE GIDEON TARKINGTON
Publication of GB631243A publication Critical patent/GB631243A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08Sensitivity-increasing substances
    • G03C1/09Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

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)
  • Colloid Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB26450/46A 1946-06-29 1946-09-03 Improvements in sensitive photographic emulsions Expired GB631243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US680514A US2624674A (en) 1946-06-29 1946-06-29 Photographic emulsion sensitized with gold compounds and sulfur sensitizers

Publications (1)

Publication Number Publication Date
GB631243A true GB631243A (en) 1949-10-31

Family

ID=24731419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26450/46A Expired GB631243A (en) 1946-06-29 1946-09-03 Improvements in sensitive photographic emulsions

Country Status (4)

Country Link
US (1) US2624674A (enrdf_load_stackoverflow)
BE (1) BE474236A (enrdf_load_stackoverflow)
FR (1) FR959922A (enrdf_load_stackoverflow)
GB (1) GB631243A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972720C (de) * 1952-11-08 1959-09-10 Eastman Kodak Co Sensibilisiertes photographisches Material

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113026A (en) * 1959-01-19 1963-12-03 Gen Aniline & Film Corp Polyvinyl alcohol photographic silver halide emulsions
BE621608A (enrdf_load_stackoverflow) * 1959-04-10
US3128185A (en) * 1960-01-25 1964-04-07 Eastman Kodak Co Antifoggants for formaldehydehardened photographic layers
US3128184A (en) * 1960-01-25 1964-04-07 Eastman Kodak Co Antifoggants for gold sensitized emulsions in the presence of reduction sensitizers
US3632343A (en) * 1969-07-29 1972-01-04 Eastman Kodak Co Photographic emulsions and processes
JPS5068133A (enrdf_load_stackoverflow) * 1973-10-18 1975-06-07

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190106609A (en) * 1901-03-29 1901-12-14 Maurice Berges Improvements in or relating to the Manufacture of Photographic Printing Papers and the like.
US836461A (en) * 1905-10-17 1906-11-20 Carl Sofus Poulsen Self-toning photographic paper.
US1600736A (en) * 1924-06-06 1926-09-21 Eastman Kodak Co Art of light-sensitive photographic materials
BE390776A (enrdf_load_stackoverflow) * 1931-09-03
BE402030A (enrdf_load_stackoverflow) * 1933-03-22
DE692828C (de) * 1936-01-15 1940-06-27 Versuchsanstalt Fuer Luftfahrt Verfahren zur Herstellung hoechstempfindlicher photographischer Emulsionen
US2110491A (en) * 1936-04-16 1938-03-08 Eastman Kodak Co Photographic emulsions
DE688147C (de) * 1937-06-18 1940-02-14 I G Farbenindustrie Akt Ges Phosphatglaeser
BE469014A (enrdf_load_stackoverflow) * 1942-02-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972720C (de) * 1952-11-08 1959-09-10 Eastman Kodak Co Sensibilisiertes photographisches Material

Also Published As

Publication number Publication date
FR959922A (enrdf_load_stackoverflow) 1950-04-07
US2624674A (en) 1953-01-06
BE474236A (enrdf_load_stackoverflow)

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