CH294714A - Process for the preparation of a photographic film having enhanced sensitivity to Herschel and solarization effects, and film obtained by this process. - Google Patents

Process for the preparation of a photographic film having enhanced sensitivity to Herschel and solarization effects, and film obtained by this process.

Info

Publication number
CH294714A
CH294714A CH294714DA CH294714A CH 294714 A CH294714 A CH 294714A CH 294714D A CH294714D A CH 294714DA CH 294714 A CH294714 A CH 294714A
Authority
CH
Switzerland
Prior art keywords
herschel
preparation
enhanced sensitivity
film
film obtained
Prior art date
Application number
Other languages
French (fr)
Inventor
Corporation General Anili Film
Original Assignee
Gen Aniline & Film Corp
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 Gen Aniline & Film Corp filed Critical Gen Aniline & Film Corp
Publication of CH294714A publication Critical patent/CH294714A/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
    • G03C1/36—Desensitisers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/02—Amines; Quaternary ammonium compounds
    • A01N33/08—Amines; Quaternary ammonium compounds containing oxygen or sulfur
    • A01N33/10—Amines; Quaternary ammonium compounds containing oxygen or sulfur having at least one oxygen or sulfur atom directly attached to an aromatic ring system
    • 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
    • G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
CH294714D 1950-04-18 1951-04-16 Process for the preparation of a photographic film having enhanced sensitivity to Herschel and solarization effects, and film obtained by this process. CH294714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US294714XA 1950-04-18 1950-04-18

Publications (1)

Publication Number Publication Date
CH294714A true CH294714A (en) 1953-11-30

Family

ID=21849180

Family Applications (1)

Application Number Title Priority Date Filing Date
CH294714D CH294714A (en) 1950-04-18 1951-04-16 Process for the preparation of a photographic film having enhanced sensitivity to Herschel and solarization effects, and film obtained by this process.

Country Status (5)

Country Link
BE (1) BE502611A (en)
CH (1) CH294714A (en)
DE (1) DE954476C (en)
FR (1) FR1049294A (en)
GB (1) GB697190A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2090607A (en) * 1934-07-25 1937-08-17 Baldsiefen Walter Dewey Selective desensitizer
DE730212C (en) * 1941-04-05 1943-01-08 Ig Farbenindustrie Ag Process for the desensitizing and fog-free development of photographic silver halide emulsions

Also Published As

Publication number Publication date
GB697190A (en) 1953-09-16
FR1049294A (en) 1953-12-29
DE954476C (en) 1956-12-20
BE502611A (en)

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