US2222264A - Photographic emulsion - Google Patents

Photographic emulsion Download PDF

Info

Publication number
US2222264A
US2222264A US254267A US25426739A US2222264A US 2222264 A US2222264 A US 2222264A US 254267 A US254267 A US 254267A US 25426739 A US25426739 A US 25426739A US 2222264 A US2222264 A US 2222264A
Authority
US
United States
Prior art keywords
emulsion
thiocyanate
thiocyanates
emulsions
silver
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 - Lifetime
Application number
US254267A
Other languages
English (en)
Inventor
Adolph H Nietz
Frederick J Russell
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.)
Eastman Kodak Co
Original Assignee
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
Priority to NL62395D priority Critical patent/NL62395C/xx
Priority to BE437840D priority patent/BE437840A/xx
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US254267A priority patent/US2222264A/en
Priority to FR868562D priority patent/FR868562A/fr
Priority to GB2059/40A priority patent/GB539355A/en
Priority to DEK156762D priority patent/DE736554C/de
Priority to DEK156776D priority patent/DE736692C/de
Application granted granted Critical
Publication of US2222264A publication Critical patent/US2222264A/en
Priority to CH251893D priority patent/CH251893A/fr
Priority to CH254820D priority patent/CH254820A/fr
Priority to ES0177718A priority patent/ES177718A1/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising
    • 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
    • G03C1/07—Substances influencing grain growth during silver salt formation
US254267A 1939-02-02 1939-02-02 Photographic emulsion Expired - Lifetime US2222264A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL62395D NL62395C (de) 1939-02-02
BE437840D BE437840A (de) 1939-02-02
US254267A US2222264A (en) 1939-02-02 1939-02-02 Photographic emulsion
FR868562D FR868562A (fr) 1939-02-02 1940-01-27 produits photographiques
GB2059/40A GB539355A (en) 1939-02-02 1940-02-02 Photographic emulsions
DEK156762D DE736554C (de) 1939-02-02 1940-02-14 Verfahren zum Herstellen hochempfindlicher photographischer Emulsionen
DEK156776D DE736692C (de) 1939-02-02 1940-02-15 Verfahren zum Erhoehen der Empfindlichkeit photographischer Halogensilberemulsionen
CH251893D CH251893A (fr) 1939-02-02 1946-05-15 Procédé de fabrication d'une émulsion aux halogénures d'argent de haute sensibilité et à développement.
CH254820D CH254820A (fr) 1939-02-02 1946-05-15 Procédé de fabrication d'une émulsion aux sels d'argent de haute sensibilité à une couleur et à développement.
ES0177718A ES177718A1 (es) 1939-02-02 1947-04-22 PERFECCIONAMIENTOS EN EMULSIONES FOTOGRáFICAS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US254267A US2222264A (en) 1939-02-02 1939-02-02 Photographic emulsion

Publications (1)

Publication Number Publication Date
US2222264A true US2222264A (en) 1940-11-19

Family

ID=22963604

Family Applications (1)

Application Number Title Priority Date Filing Date
US254267A Expired - Lifetime US2222264A (en) 1939-02-02 1939-02-02 Photographic emulsion

Country Status (8)

Country Link
US (1) US2222264A (de)
BE (1) BE437840A (de)
CH (2) CH251893A (de)
DE (2) DE736554C (de)
ES (1) ES177718A1 (de)
FR (1) FR868562A (de)
GB (1) GB539355A (de)
NL (1) NL62395C (de)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966018C (de) * 1948-10-16 1958-10-02 Johann Garnweidner Verfahren zur Herstellung einer photographischen Emulsion
FR2354573A1 (fr) * 1976-06-07 1978-01-06 Eastman Kodak Co Procede de preparation d'une emulsion aux halogenures d'argent en presence d'un agent de maturation contenant du soufre
US4332887A (en) * 1980-10-06 1982-06-01 Polaroid Corporation Method for preparing photosensitive silver halide emulsions
US4433048A (en) * 1981-11-12 1984-02-21 Eastman Kodak Company Radiation-sensitive silver bromoiodide emulsions, photographic elements, and processes for their use
US4435501A (en) 1981-11-12 1984-03-06 Eastman Kodak Company Controlled site epitaxial sensitization
US4439520A (en) * 1981-11-12 1984-03-27 Eastman Kodak Company Sensitized high aspect ratio silver halide emulsions and photographic elements
US4472496A (en) * 1982-01-14 1984-09-18 Konishiroku Photo Industry Co., Ltd. Process for preparing silver halide emulsion
US4514491A (en) * 1981-05-06 1985-04-30 Konishiroku Photo Industry Co., Ltd. Photosensitive silver halide emulsion
WO1990016014A1 (en) * 1989-06-19 1990-12-27 Eastman Kodak Company Doping of silver halide emulsions with group vib compounds to form improved photoactive grains
US5013641A (en) * 1989-12-19 1991-05-07 Eastman Kodak Company Formation of tabular silver halide emulsions utilizing high pH digestion
US5061617A (en) * 1990-12-07 1991-10-29 Eastman Kodak Company Process for the preparation of high chloride tabular grain emulsions
US5141846A (en) * 1990-10-18 1992-08-25 Polaroid Corporation Method for preparing photographic emulsion
US5318887A (en) * 1991-06-06 1994-06-07 Konica Corporation Method for production of silver halide emulsion, and silver halide photographic light-sensitive material
EP0699944A1 (de) 1994-08-26 1996-03-06 Eastman Kodak Company Emulsionen aus tafelförmigen Körnern mit verbesserter Empfindlichkeit
EP0699950A1 (de) 1994-08-26 1996-03-06 Eastman Kodak Company Emulsionen mit ultradünnen tafelförmigen Körnern und neuer Behandlung von Dotiermitteln
EP0699949A1 (de) 1994-08-26 1996-03-06 Eastman Kodak Company Emulsionen mit ultradünnen tafelförmigen Körnern und Dotierungsmitteln auf ausgewählten Stellen
WO1996013755A1 (en) 1994-10-26 1996-05-09 Eastman Kodak Company Photographic emulsions of enhanced sensitivity
EP0749038A1 (de) 1995-06-16 1996-12-18 Minnesota Mining And Manufacturing Company Lichtempfindliche photographische Materialien, die tafelförmige Silberhalogenidkörner und Azodicarbonamid-Derivate enthalten
EP0843209A1 (de) 1996-11-13 1998-05-20 Imation Corp. Verfahren zur Herstellung einer Silberhalogenidemulsion
US6673529B1 (en) 2002-07-11 2004-01-06 Eastman Kodak Company Method for making tabular grain silver halide emulsion
US20050123867A1 (en) * 2003-12-04 2005-06-09 Eastman Kodak Company Silver halide elements containing activated precursors to thiocyanato stabilizers
US20060057509A1 (en) * 2002-11-20 2006-03-16 Konica Minolta Photo Imaging, Inc. Silver halide photosensitive material and image forming method therefor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1189006B (de) * 1962-05-19 1965-03-11 Etimex Ges Fuer Textil Und Kun Behaelter, vorzugsweise aus Kunststoff, fuer Verpackungs- und Transportzwecke mit einsetzbarem Deckel und einer band- oder gurtfoermigen Tragevorrichtung
BE669270A (de) * 1964-09-11 1966-03-07

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966018C (de) * 1948-10-16 1958-10-02 Johann Garnweidner Verfahren zur Herstellung einer photographischen Emulsion
FR2354573A1 (fr) * 1976-06-07 1978-01-06 Eastman Kodak Co Procede de preparation d'une emulsion aux halogenures d'argent en presence d'un agent de maturation contenant du soufre
US4332887A (en) * 1980-10-06 1982-06-01 Polaroid Corporation Method for preparing photosensitive silver halide emulsions
US4514491A (en) * 1981-05-06 1985-04-30 Konishiroku Photo Industry Co., Ltd. Photosensitive silver halide emulsion
US4433048A (en) * 1981-11-12 1984-02-21 Eastman Kodak Company Radiation-sensitive silver bromoiodide emulsions, photographic elements, and processes for their use
US4435501A (en) 1981-11-12 1984-03-06 Eastman Kodak Company Controlled site epitaxial sensitization
US4439520A (en) * 1981-11-12 1984-03-27 Eastman Kodak Company Sensitized high aspect ratio silver halide emulsions and photographic elements
US4472496A (en) * 1982-01-14 1984-09-18 Konishiroku Photo Industry Co., Ltd. Process for preparing silver halide emulsion
WO1990016014A1 (en) * 1989-06-19 1990-12-27 Eastman Kodak Company Doping of silver halide emulsions with group vib compounds to form improved photoactive grains
US5013641A (en) * 1989-12-19 1991-05-07 Eastman Kodak Company Formation of tabular silver halide emulsions utilizing high pH digestion
US5141846A (en) * 1990-10-18 1992-08-25 Polaroid Corporation Method for preparing photographic emulsion
US5061617A (en) * 1990-12-07 1991-10-29 Eastman Kodak Company Process for the preparation of high chloride tabular grain emulsions
US5318887A (en) * 1991-06-06 1994-06-07 Konica Corporation Method for production of silver halide emulsion, and silver halide photographic light-sensitive material
EP0699944A1 (de) 1994-08-26 1996-03-06 Eastman Kodak Company Emulsionen aus tafelförmigen Körnern mit verbesserter Empfindlichkeit
EP0699950A1 (de) 1994-08-26 1996-03-06 Eastman Kodak Company Emulsionen mit ultradünnen tafelförmigen Körnern und neuer Behandlung von Dotiermitteln
EP0699949A1 (de) 1994-08-26 1996-03-06 Eastman Kodak Company Emulsionen mit ultradünnen tafelförmigen Körnern und Dotierungsmitteln auf ausgewählten Stellen
WO1996013755A1 (en) 1994-10-26 1996-05-09 Eastman Kodak Company Photographic emulsions of enhanced sensitivity
EP0749038A1 (de) 1995-06-16 1996-12-18 Minnesota Mining And Manufacturing Company Lichtempfindliche photographische Materialien, die tafelförmige Silberhalogenidkörner und Azodicarbonamid-Derivate enthalten
EP0843209A1 (de) 1996-11-13 1998-05-20 Imation Corp. Verfahren zur Herstellung einer Silberhalogenidemulsion
US6673529B1 (en) 2002-07-11 2004-01-06 Eastman Kodak Company Method for making tabular grain silver halide emulsion
US20060057509A1 (en) * 2002-11-20 2006-03-16 Konica Minolta Photo Imaging, Inc. Silver halide photosensitive material and image forming method therefor
US7163785B2 (en) 2002-11-20 2007-01-16 Konica Minolta Photo Imaging, Inc. Silver halide photosensitive material and image forming method therefor
US20050123867A1 (en) * 2003-12-04 2005-06-09 Eastman Kodak Company Silver halide elements containing activated precursors to thiocyanato stabilizers

Also Published As

Publication number Publication date
DE736692C (de) 1943-06-25
BE437840A (de)
FR868562A (fr) 1942-01-07
NL62395C (de)
ES177718A1 (es) 1947-06-01
CH251893A (fr) 1947-11-30
DE736554C (de) 1943-06-22
GB539355A (en) 1941-09-08
CH254820A (fr) 1948-05-31

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