CA921747A - Method for processing direct-positive, high-contrast photographic elements - Google Patents

Method for processing direct-positive, high-contrast photographic elements

Info

Publication number
CA921747A
CA921747A CA058757A CA58757A CA921747A CA 921747 A CA921747 A CA 921747A CA 058757 A CA058757 A CA 058757A CA 58757 A CA58757 A CA 58757A CA 921747 A CA921747 A CA 921747A
Authority
CA
Canada
Prior art keywords
positive
photographic elements
contrast photographic
processing direct
direct
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
CA058757A
Inventor
D. Illingsworth Bernard
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 CA921747A publication Critical patent/CA921747A/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

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)
CA058757A 1968-09-09 1969-08-06 Method for processing direct-positive, high-contrast photographic elements Expired CA921747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75981868A 1968-09-09 1968-09-09

Publications (1)

Publication Number Publication Date
CA921747A true CA921747A (en) 1973-02-27

Family

ID=25057069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA058757A Expired CA921747A (en) 1968-09-09 1969-08-06 Method for processing direct-positive, high-contrast photographic elements

Country Status (5)

Country Link
US (1) US3632340A (en)
CA (1) CA921747A (en)
CH (1) CH510896A (en)
DE (1) DE1945408A1 (en)
GB (1) GB1282778A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140980B1 (en) * 1971-04-20 1976-11-06
JPS5313124B2 (en) * 1972-11-02 1978-05-08
JPS5068133A (en) * 1973-10-18 1975-06-07
DE2406515C3 (en) * 1974-02-12 1978-06-15 Du Pont De Nemours (Deutschland) Gmbh, 4000 Duesseldorf Photographic material for use in direct positives
GB1491878A (en) * 1974-02-28 1977-11-16 Agfa Gevaert Direct positive silver halide emulsions having incorporated developers
US4098783A (en) * 1974-04-30 1978-07-04 Polaroid Corporation Dye substituted cyclic 1,3-sulfur-nitrogen compounds as dye image-forming materials in photography
WO1980000040A1 (en) * 1978-06-02 1980-01-10 Du Pont Organic halogen compounds used in direct positive emulsions
US4323645A (en) * 1980-08-01 1982-04-06 E. I. Du Pont De Nemours And Company Organic halogen compounds for negative-working silver halide emulsions
US4327172A (en) * 1980-12-16 1982-04-27 Western Electric Company, Inc. Photographic image definition improvement
DE102018204402A1 (en) * 2018-03-22 2019-09-26 Siemens Aktiengesellschaft Method and device for taking a sample and use of such a device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25885A (en) * 1859-10-25 Improvement in sewing-machines
US2751297A (en) * 1953-08-03 1956-06-19 Eastman Kodak Co Photographic emulsion layer containing a 3-pyrazolidone
US2950196A (en) * 1955-10-12 1960-08-23 Eastman Kodak Co Supersensitization of photographic emulsions using triazines
US2944897A (en) * 1956-12-12 1960-07-12 Newman S Shirk Reversal film method
US3128180A (en) * 1958-07-02 1964-04-07 Eastman Kodak Co Hardened high-contrast photographic silver chloride emulsions and method of processing
GB1012860A (en) * 1963-08-28 1965-12-08 Ilford Ltd Photographic materials and processes
US3294540A (en) * 1963-12-17 1966-12-27 Eastman Kodak Co Lith-type emulsions with block co-polymers
US3367778A (en) * 1965-04-15 1968-02-06 Eastman Kodak Co Silver salt direct positive emulsion
US3317322A (en) * 1965-08-27 1967-05-02 Eastman Kodak Co Photographic emulsions having high internal sensitivity
US3501307A (en) * 1966-03-11 1970-03-17 Eastman Kodak Co Photographic reversal materials containing organic desensitizing compounds
BE695363A (en) * 1966-03-11 1967-09-11

Also Published As

Publication number Publication date
US3632340A (en) 1972-01-04
CH510896A (en) 1971-07-31
GB1282778A (en) 1972-07-26
DE1945408A1 (en) 1971-05-13

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