FR1049294A - Photographic film having enhanced sensitivity to the hersol effect, and process for preparing this film - Google Patents

Photographic film having enhanced sensitivity to the hersol effect, and process for preparing this film

Info

Publication number
FR1049294A
FR1049294A FR1049294DA FR1049294A FR 1049294 A FR1049294 A FR 1049294A FR 1049294D A FR1049294D A FR 1049294DA FR 1049294 A FR1049294 A FR 1049294A
Authority
FR
France
Prior art keywords
film
hersol
preparing
effect
enhanced sensitivity
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
Other languages
French (fr)
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and 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 General Aniline and Film Corp filed Critical General Aniline and Film Corp
Application granted granted Critical
Publication of FR1049294A publication Critical patent/FR1049294A/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
    • G03C1/06—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)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
FR1049294D 1950-04-18 1951-04-18 Photographic film having enhanced sensitivity to the hersol effect, and process for preparing this film Expired FR1049294A (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
FR1049294A true FR1049294A (en) 1953-12-29

Family

ID=21849180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1049294D Expired FR1049294A (en) 1950-04-18 1951-04-18 Photographic film having enhanced sensitivity to the hersol effect, and process for preparing this film

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
DE954476C (en) 1956-12-20
GB697190A (en) 1953-09-16
BE502611A (en)
CH294714A (en) 1953-11-30

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