FR867410A - émulsions photographiques - Google Patents

émulsions photographiques

Info

Publication number
FR867410A
FR867410A FR867410DA FR867410A FR 867410 A FR867410 A FR 867410A FR 867410D A FR867410D A FR 867410DA FR 867410 A FR867410 A FR 867410A
Authority
FR
France
Prior art keywords
photographic emulsions
photographic
emulsions
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
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR867410A publication Critical patent/FR867410A/fr
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
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed
FR867410D 1939-02-20 1940-02-13 émulsions photographiques Expired FR867410A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5571/39A GB525365A (en) 1939-02-20 1939-02-20 Improvements in sensitized photographic emulsions

Publications (1)

Publication Number Publication Date
FR867410A true FR867410A (fr) 1941-10-27

Family

ID=9798616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867410D Expired FR867410A (fr) 1939-02-20 1940-02-13 émulsions photographiques

Country Status (4)

Country Link
US (1) US2218230A (fr)
BE (1) BE438007A (fr)
FR (1) FR867410A (fr)
GB (1) GB525365A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742343C (de) * 1940-10-25 1943-12-07 Ig Farbenindustrie Ag Verfahren zum optischen UEbersensibilisieren photographischer Emulsionen
US2447332A (en) * 1944-05-18 1948-08-17 Eastman Kodak Co Trimethine cyanine dyes
BE471518A (fr) * 1945-10-26
US2732301A (en) * 1952-10-15 1956-01-24 Chxcxch

Also Published As

Publication number Publication date
US2218230A (en) 1940-10-15
BE438007A (fr)
GB525365A (en) 1940-08-27

Similar Documents

Publication Publication Date Title
FR949227A (fr) émulsions photographiques perfectionnées
FR949230A (fr) Perfectionnements aux émulsions photographiques
FR949229A (fr) Nouvelles émulsions photographiques
FR949228A (fr) émulsions photographiques
FR847049A (fr) Film photographique
FR878099A (fr) Perfectionnements aux films photographiques
FR945149A (fr) émulsions photographiques
FR844866A (fr) Révélateurs photographiques
FR864298A (fr) Obturateur photographique
FR841631A (fr) émulsions photographiques
FR867410A (fr) émulsions photographiques
FR826397A (fr) Perfectionnements aux émulsions photographiques
FR866741A (fr) Perfectionnements à la désensibilisation des émulsions photographiques
FR862934A (fr) Viseur optique perfectionné
FR886490A (fr) Bobine à film
FR808377A (fr) Révélateur photographique
FR856367A (fr) Film photographique perfectionné
FR851912A (fr) Perfectionnements aux émulsions photographiques
FR856351A (fr) émulsions photographiques
FR864776A (fr) Perfectionnements aux films photographiques
FR945135A (fr) Film photographique
FR867327A (fr) Films photographiques antistatiques perfectionnés
FR863391A (fr) Obturateur photographique
FR865260A (fr) Perfectionnements aux émulsions photographiques
ES177720A1 (es) PERFECCIONAMIENTOS EN EMULSIONES FOTOGRáFICAS