FR45953E - Improvements made to the means using a gaseous fluid, in particular to those for the development of photographic papers by ammonia - Google Patents

Improvements made to the means using a gaseous fluid, in particular to those for the development of photographic papers by ammonia

Info

Publication number
FR45953E
FR45953E FR45953DA FR45953E FR 45953 E FR45953 E FR 45953E FR 45953D A FR45953D A FR 45953DA FR 45953 E FR45953 E FR 45953E
Authority
FR
France
Prior art keywords
ammonia
development
those
improvements made
gaseous fluid
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)
Inventor
Breton
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 filed Critical
Application granted granted Critical
Publication of FR45953E publication Critical patent/FR45953E/en
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D7/00—Gas processing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR45953D 1935-02-04 1935-02-04 Improvements made to the means using a gaseous fluid, in particular to those for the development of photographic papers by ammonia Expired FR45953E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45953T 1935-02-04

Publications (1)

Publication Number Publication Date
FR45953E true FR45953E (en) 1936-01-17

Family

ID=8681644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45953D Expired FR45953E (en) 1935-02-04 1935-02-04 Improvements made to the means using a gaseous fluid, in particular to those for the development of photographic papers by ammonia

Country Status (1)

Country Link
FR (1) FR45953E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895824A (en) * 1952-04-24 1959-07-21 Gen Aniline & Film Corp Process for automatic disposal of waste ammonia developer in dry printing and developing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895824A (en) * 1952-04-24 1959-07-21 Gen Aniline & Film Corp Process for automatic disposal of waste ammonia developer in dry printing and developing machines

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