FR397026A - Improvements made to the production of sensitized surfaces or films, for photography - Google Patents

Improvements made to the production of sensitized surfaces or films, for photography

Info

Publication number
FR397026A
FR397026A FR397026A FR397026DA FR397026A FR 397026 A FR397026 A FR 397026A FR 397026 A FR397026 A FR 397026A FR 397026D A FR397026D A FR 397026DA FR 397026 A FR397026 A FR 397026A
Authority
FR
France
Prior art keywords
photography
films
production
improvements made
sensitized surfaces
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
FR397026A
Other languages
French (fr)
Inventor
William Hay Caldwell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR397026A publication Critical patent/FR397026A/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
    • G03C1/061—Hydrazine compounds

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR397026A 1908-01-24 1908-12-02 Improvements made to the production of sensitized surfaces or films, for photography Expired FR397026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB397026X 1908-01-24

Publications (1)

Publication Number Publication Date
FR397026A true FR397026A (en) 1909-04-27

Family

ID=8896501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR397026A Expired FR397026A (en) 1908-01-24 1908-12-02 Improvements made to the production of sensitized surfaces or films, for photography

Country Status (1)

Country Link
FR (1) FR397026A (en)

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