CH443897A - Process for increasing the sensitivity of halogen silver emulsions - Google Patents

Process for increasing the sensitivity of halogen silver emulsions

Info

Publication number
CH443897A
CH443897A CH863664A CH863664A CH443897A CH 443897 A CH443897 A CH 443897A CH 863664 A CH863664 A CH 863664A CH 863664 A CH863664 A CH 863664A CH 443897 A CH443897 A CH 443897A
Authority
CH
Switzerland
Prior art keywords
sensitivity
increasing
silver emulsions
halogen silver
halogen
Prior art date
Application number
CH863664A
Other languages
German (de)
Inventor
Herbert Dr Grabhoefer
Hans Dr Ulrich
August Dr Randolph
Wilhelm Dr Saleak
Rolf-Fred Dr Posse
Original Assignee
Agfa Ag
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 Agfa Ag filed Critical Agfa Ag
Publication of CH443897A publication Critical patent/CH443897A/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
    • 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
    • G03C1/12—Methine and polymethine dyes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
    • C08G79/02—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule a linkage containing phosphorus
    • C08G79/04—Phosphorus linked to oxygen or to oxygen and carbon
    • 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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH863664A 1963-07-11 1964-07-01 Process for increasing the sensitivity of halogen silver emulsions CH443897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA43552A DE1182523B (en) 1963-07-11 1963-07-11 Process for increasing the sensitivity of halogen silver emulsions

Publications (1)

Publication Number Publication Date
CH443897A true CH443897A (en) 1967-09-15

Family

ID=6933709

Family Applications (1)

Application Number Title Priority Date Filing Date
CH863664A CH443897A (en) 1963-07-11 1964-07-01 Process for increasing the sensitivity of halogen silver emulsions

Country Status (5)

Country Link
US (1) US3385704A (en)
BE (1) BE650454A (en)
CH (1) CH443897A (en)
DE (1) DE1182523B (en)
GB (1) GB1057949A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD160538A1 (en) * 1980-11-26 1983-09-07 Adw Ddr PROCESS FOR INTRODUCING HYDROPHOBIC PHOTOGRAPHIC ADDITIVES
US4436811A (en) * 1981-07-10 1984-03-13 Ciba-Geigy Ag Photographic material
US5550013A (en) * 1994-12-22 1996-08-27 Eastman Kodak Company High chloride emulsions having high sensitivity and low fog and improved photographic responses of HIRF, higher gamma, and shoulder density

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870042A (en) * 1956-06-05 1959-01-20 Leon H Chance Flame resistant organic textiles and method of production
US3190752A (en) * 1961-12-26 1965-06-22 Fuji Photo Film Co Ltd High edge gradient silver halide emulsion
US3256249A (en) * 1963-11-21 1966-06-14 Wyandotte Chemicals Corp Phosphoramidate based polyurethanes

Also Published As

Publication number Publication date
DE1182523B (en) 1964-11-26
US3385704A (en) 1968-05-28
BE650454A (en) 1965-01-13
GB1057949A (en) 1967-02-08

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