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CA964098A - Preparation of direct-positive emulsions - Google Patents

Preparation of direct-positive emulsions

Info

Publication number
CA964098A
CA964098A CA118,312A CA118312A CA964098A CA 964098 A CA964098 A CA 964098A CA 118312 A CA118312 A CA 118312A CA 964098 A CA964098 A CA 964098A
Authority
CA
Canada
Prior art keywords
direct
preparation
positive emulsions
emulsions
positive
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
CA118,312A
Other versions
CA118312S (en
Inventor
Richard K. Kurz
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
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA964098A publication Critical patent/CA964098A/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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CA118,312A 1970-08-03 1971-07-15 Preparation of direct-positive emulsions Expired CA964098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6065970A 1970-08-03 1970-08-03

Publications (1)

Publication Number Publication Date
CA964098A true CA964098A (en) 1975-03-11

Family

ID=22030966

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,312A Expired CA964098A (en) 1970-08-03 1971-07-15 Preparation of direct-positive emulsions

Country Status (10)

Country Link
US (1) US3672900A (en)
JP (1) JPS5216364B1 (en)
AU (1) AU460990B2 (en)
BE (1) BE770700A (en)
BR (1) BR7104782D0 (en)
CA (1) CA964098A (en)
CH (1) CH533317A (en)
DE (1) DE2138873A1 (en)
FR (1) FR2101947A5 (en)
GB (1) GB1353226A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427525A (en) * 1972-07-13 1976-03-10 Agfa Gevaert Directpositive silver halide emulsions
JPS5068133A (en) * 1973-10-18 1975-06-07
US4242445A (en) * 1978-02-02 1980-12-30 Fuji Photo Film Co., Ltd. Method for preparing light-sensitive silver halide grains
CA1120765A (en) * 1979-04-05 1982-03-30 Eastman Kodak Company High chloride silver halide emulsion internally doped with cadmium, lead, copper, zinc or mixtures thereof
JPS5945132B2 (en) * 1979-04-23 1984-11-05 富士写真フイルム株式会社 Method for producing photosensitive silver halide crystals
US4378427A (en) * 1980-09-11 1983-03-29 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
EP0144990B1 (en) * 1983-12-08 1990-04-25 Fuji Photo Film Co., Ltd. Process for preparing silver halide emulsion
JPS60222843A (en) * 1984-04-19 1985-11-07 Fuji Photo Film Co Ltd Preparation of silver halide emulsion and silver halide photosensitive material
JPS613137A (en) * 1984-06-15 1986-01-09 Fuji Photo Film Co Ltd Internal latent image type core/shell direct positive silver halide emulsion and its preparation
JPS613134A (en) * 1984-06-15 1986-01-09 Fuji Photo Film Co Ltd Preparation of silver halide emulsion and silver halide photographic sensitive material
JPS6170549A (en) * 1984-09-13 1986-04-11 Konishiroku Photo Ind Co Ltd Manufacture of photographic silver halide emulsion
JPS61245151A (en) 1985-04-23 1986-10-31 Konishiroku Photo Ind Co Ltd Silver halide photographic sensitive material
JPS61250645A (en) 1985-04-30 1986-11-07 Konishiroku Photo Ind Co Ltd Silver halide photographic sensitive material
JPS61250643A (en) 1985-04-30 1986-11-07 Konishiroku Photo Ind Co Ltd Silver halide photographic sensitive material
EP0209118B1 (en) 1985-07-17 1991-10-23 Konica Corporation Silver halide photographic material
AU591540B2 (en) 1985-12-28 1989-12-07 Konishiroku Photo Industry Co., Ltd. Method of processing light-sensitive silver halide color photographic material
US5248577A (en) * 1990-08-13 1993-09-28 Eastman Kodak Company Reactant concentration control method and apparatus for precipitation reactions
DE69131785T2 (en) 1990-08-20 2000-05-11 Fuji Photo Film Co., Ltd. Data-preserving photographic film product and method for producing a color image
DE69230387T2 (en) 1991-04-22 2000-06-29 Fuji Photo Film Co., Ltd. Silver halide photographic materials and methods of processing them
US7008761B2 (en) * 2004-03-31 2006-03-07 Eastman Kodak Company Process for the preparation of high bromide cubical grain emulsions

Also Published As

Publication number Publication date
DE2138873A1 (en) 1972-02-10
CH533317A (en) 1973-01-31
BR7104782D0 (en) 1973-04-12
JPS5216364B1 (en) 1977-05-09
US3672900A (en) 1972-06-27
AU3190871A (en) 1973-02-08
GB1353226A (en) 1974-05-15
BE770700A (en) 1971-12-01
FR2101947A5 (en) 1972-03-31
AU460990B2 (en) 1975-05-15

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