GB477315A - Improvements in and relating to photographic films - Google Patents

Improvements in and relating to photographic films

Info

Publication number
GB477315A
GB477315A GB8690/36A GB869036A GB477315A GB 477315 A GB477315 A GB 477315A GB 8690/36 A GB8690/36 A GB 8690/36A GB 869036 A GB869036 A GB 869036A GB 477315 A GB477315 A GB 477315A
Authority
GB
United Kingdom
Prior art keywords
gelatin
small quantity
emulsion
march
allowed
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
GB8690/36A
Other languages
English (en)
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
Publication of GB477315A publication Critical patent/GB477315A/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
    • G03C1/015—Apparatus or processes for the preparation of emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coloring (AREA)
GB8690/36A 1935-03-23 1936-03-23 Improvements in and relating to photographic films Expired GB477315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE477315X 1935-03-23

Publications (1)

Publication Number Publication Date
GB477315A true GB477315A (en) 1937-12-23

Family

ID=6542114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8690/36A Expired GB477315A (en) 1935-03-23 1936-03-23 Improvements in and relating to photographic films

Country Status (3)

Country Link
BE (1) BE414539A (fr)
FR (1) FR803584A (fr)
GB (1) GB477315A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646353A (en) * 1948-12-31 1953-07-21 Eastman Kodak Co Removal of volatile products from photographic emulsions
US2646426A (en) * 1948-12-31 1953-07-21 Eastman Kodak Co Preparation of photographic emulsions
US2678883A (en) * 1948-12-31 1954-05-18 Eastman Kodak Co Preparation of photographic emulsions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646353A (en) * 1948-12-31 1953-07-21 Eastman Kodak Co Removal of volatile products from photographic emulsions
US2646426A (en) * 1948-12-31 1953-07-21 Eastman Kodak Co Preparation of photographic emulsions
US2678883A (en) * 1948-12-31 1954-05-18 Eastman Kodak Co Preparation of photographic emulsions

Also Published As

Publication number Publication date
FR803584A (fr) 1936-10-03
BE414539A (fr)

Similar Documents

Publication Publication Date Title
DE900298C (de) Kontaktverfahren zur Herstellung von photographischen Positivbildern bei Verwendung hochempfindlicher Negativschichten
DE850383C (de) Verfahren zur Herstellung eines direktpositiven Bildes in einer Silberhalogenid-Emulsion
GB477315A (en) Improvements in and relating to photographic films
DE1597506C3 (de) Verfahren zur Herstellung farbiger, positiver Bilder
DE972720C (de) Sensibilisiertes photographisches Material
DE899586C (de) Verfahren zur Herstellung von dauerhaften Lichtaufzeichnungen auf Silbersalzschichten
DE859711C (de) Verfahren zur direkten Herstellung von positiven photographischen Bildern
GB472639A (en) Improvements in and relating to the preparation of photographic emulsions
GB489175A (en) Improvements in and relating to processes for the production of photographic emulsions
GB507009A (en) Improved photographic material for colour photography
GB580173A (en) Improvements in or relating to photographic processes
GB523012A (en) Improvements in sensitizing photographic emulsions and manufacture of dyes therefor
DE3241642C2 (de) Photographisches Aufzeichnungsmaterial für das Diffusionsübertragungsverfahren
DE1797239C3 (de) Verfahren zur Herstellung einer photographischen direktpositiven Silberhalogenidemulsionsschicht E.I. du Pont de Nemours and Co
GB1195838A (en) A Method of Producing Photographic Images
DE645591C (de) Verfahren zum Desensibilisieren von lichtempfindlichen Halogensilberemulsionen mit Hilfe von Abkoemmlingen der Anthrachinone
GB515022A (en) Improvements in the production of fine-grain photographic images
DE1131992B (de) Verfahren zur Farbentwicklung von Halogensilberemulsionsschichten
GB501002A (en) Process of and materials for colour photography
US2194293A (en) Process of making photographic prints in color
GB382815A (en) Process for the reversal development of light-sensitive silver halide layers
GB406074A (en) Improved process of sensitising photographic emulsions
GB636140A (en) Improvements in photographic emulsions
GB501003A (en) Process of colour photography
GB529947A (en) Process for the manufacture of dyed gelatin layers for photographic purposes