BE621461A - - Google Patents

Info

Publication number
BE621461A
BE621461A BE621461DA BE621461A BE 621461 A BE621461 A BE 621461A BE 621461D A BE621461D A BE 621461DA BE 621461 A BE621461 A BE 621461A
Authority
BE
Belgium
Application number
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.)
Publication of BE621461A publication Critical patent/BE621461A/xx

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
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • 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
    • G03C1/42—Developers or their precursors

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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
BE621461D 1961-08-17 BE621461A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US132012A US3212899A (en) 1961-08-17 1961-08-17 Photographic silver halide emulsions sensitized with quaternary ammonium salt and developer combinations

Publications (1)

Publication Number Publication Date
BE621461A true BE621461A (no)

Family

ID=22452028

Family Applications (1)

Application Number Title Priority Date Filing Date
BE621461D BE621461A (no) 1961-08-17

Country Status (4)

Country Link
US (1) US3212899A (no)
BE (1) BE621461A (no)
DE (1) DE1163672B (no)
GB (1) GB1009475A (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548395A (en) * 1975-05-29 1979-07-11 Eastman Kodak Co Photographic materials
US5384232A (en) * 1991-12-02 1995-01-24 E. I. Du Pont De Nemours And Company Process for rapid access development of silver halide films using pyridinium as development accelerators
US5252449A (en) * 1992-09-25 1993-10-12 E. I. Du Pont De Nemours And Company Photographic silver halide emulsions with improved bright room tolerance
FR2747806B1 (fr) * 1996-04-19 1998-07-03 Kodak Pathe Nouveau procede de developpement d'un produit photographique a developpateur incorpore

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419975A (en) * 1943-08-26 1947-05-06 Eastman Kodak Co Increasing speed and contrast of photographic emulsions
GB845928A (en) * 1957-10-25 1960-08-24 Ilford Ltd Improvements in or relating to photographic emulsions
US2940855A (en) * 1957-11-27 1960-06-14 Eastman Kodak Co Sensitization of photographic emulsions
BE577256A (no) * 1958-03-31

Also Published As

Publication number Publication date
DE1163672B (de) 1964-02-20
US3212899A (en) 1965-10-19
GB1009475A (en) 1965-11-10

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