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CH212869A - Process for the preparation of photographic emulsions using cellulose esters. - Google Patents

Process for the preparation of photographic emulsions using cellulose esters.

Info

Publication number
CH212869A
CH212869A CH212869DA CH212869A CH 212869 A CH212869 A CH 212869A CH 212869D A CH212869D A CH 212869DA CH 212869 A CH212869 A CH 212869A
Authority
CH
Switzerland
Prior art keywords
preparation
cellulose esters
photographic emulsions
photographic
emulsions
Prior art date
Application number
Other languages
German (de)
Inventor
Lierg Friedrich Ing Dr
Czeija Oskar
Original Assignee
Lierg Friedrich Ing Dr
Czeija Oskar
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 Lierg Friedrich Ing Dr, Czeija Oskar filed Critical Lierg Friedrich Ing Dr
Publication of CH212869A publication Critical patent/CH212869A/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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances

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)
  • Paper (AREA)
CH212869D 1937-12-06 1938-11-28 Process for the preparation of photographic emulsions using cellulose esters. CH212869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT212869X 1937-12-06

Publications (1)

Publication Number Publication Date
CH212869A true CH212869A (en) 1940-12-31

Family

ID=3669717

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212869D CH212869A (en) 1937-12-06 1938-11-28 Process for the preparation of photographic emulsions using cellulose esters.

Country Status (4)

Country Link
CH (1) CH212869A (en)
FR (1) FR847048A (en)
GB (1) GB523661A (en)
NL (1) NL56880C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869421A (en) * 1957-07-30 1959-01-20 Pokolic Ivan Still picture attachment for moving picture projectors

Also Published As

Publication number Publication date
GB523661A (en) 1940-07-19
FR847048A (en) 1939-10-02
NL56880C (en)

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