FR2346741A1 - Procede pour former des grains d'halogenure d'argent par electrolyse - Google Patents

Procede pour former des grains d'halogenure d'argent par electrolyse

Info

Publication number
FR2346741A1
FR2346741A1 FR7709802A FR7709802A FR2346741A1 FR 2346741 A1 FR2346741 A1 FR 2346741A1 FR 7709802 A FR7709802 A FR 7709802A FR 7709802 A FR7709802 A FR 7709802A FR 2346741 A1 FR2346741 A1 FR 2346741A1
Authority
FR
France
Prior art keywords
electrolysis
grains
forming silver
silver halogenide
halogenide
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.)
Granted
Application number
FR7709802A
Other languages
English (en)
Other versions
FR2346741B1 (fr
Inventor
Vivian Kann Walworth
Arthur Mitchell Gerber
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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
Priority claimed from US05/672,647 external-priority patent/US4060419A/en
Priority claimed from US05/775,044 external-priority patent/US4102758A/en
Priority claimed from US05/775,045 external-priority patent/US4102759A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of FR2346741A1 publication Critical patent/FR2346741A1/fr
Application granted granted Critical
Publication of FR2346741B1 publication Critical patent/FR2346741B1/fr
Granted 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
    • G03C1/0051—Tabular grain emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
FR7709802A 1976-04-01 1977-03-31 Procede pour former des grains d'halogenure d'argent par electrolyse Granted FR2346741A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/672,647 US4060419A (en) 1976-04-01 1976-04-01 Method of forming silver halide grains by electrolysis
US77504677A 1977-03-07 1977-03-07
US05/775,044 US4102758A (en) 1977-03-07 1977-03-07 Method of electrolytically forming silver halide grains utilizing a novel cathode
US05/775,045 US4102759A (en) 1977-03-07 1977-03-07 Method of electrolytically forming silver halide grains utilizing a novel anode

Publications (2)

Publication Number Publication Date
FR2346741A1 true FR2346741A1 (fr) 1977-10-28
FR2346741B1 FR2346741B1 (fr) 1983-09-09

Family

ID=27505350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7709802A Granted FR2346741A1 (fr) 1976-04-01 1977-03-31 Procede pour former des grains d'halogenure d'argent par electrolyse

Country Status (5)

Country Link
JP (1) JPS6034744B2 (fr)
CA (1) CA1109822A (fr)
DE (1) DE2714489A1 (fr)
FR (1) FR2346741A1 (fr)
GB (1) GB1575470A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61295827A (ja) * 1985-06-25 1986-12-26 松下電工株式会社 反相リレ−装置
JPH01170423U (fr) * 1988-05-20 1989-12-01

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1602595A (en) * 1926-02-27 1926-10-12 Eastman Kodak Co Electrolytical process of preparing silver halides from metallic silver
DE493063C (de) * 1928-08-11 1930-03-03 Schwarz Georg Verfahren zur Herstellung photographischer Silberhaloid-Emulsionen
GB643223A (en) * 1947-07-09 1950-09-15 Burgess Battery Co Improvements in or relating to a method of electrolytically forming silver chloride
DE1075943B (de) * 1958-01-10 1960-02-18 Ionics Verfahren zur Reinigung von Emulsionen fuer fotografische Zwecke
DE1079452B (de) * 1958-01-10 1960-04-07 Ionics Verfahren zur Herstellung photographischer Emulsionen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801784A (en) * 1928-08-11 1931-04-21 Schwarz Georg Method of and apparatus for producing photographic silver-salt emulsions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1602595A (en) * 1926-02-27 1926-10-12 Eastman Kodak Co Electrolytical process of preparing silver halides from metallic silver
DE493063C (de) * 1928-08-11 1930-03-03 Schwarz Georg Verfahren zur Herstellung photographischer Silberhaloid-Emulsionen
GB643223A (en) * 1947-07-09 1950-09-15 Burgess Battery Co Improvements in or relating to a method of electrolytically forming silver chloride
DE1075943B (de) * 1958-01-10 1960-02-18 Ionics Verfahren zur Reinigung von Emulsionen fuer fotografische Zwecke
DE1079452B (de) * 1958-01-10 1960-04-07 Ionics Verfahren zur Herstellung photographischer Emulsionen

Also Published As

Publication number Publication date
GB1575470A (en) 1980-09-24
JPS52129519A (en) 1977-10-31
FR2346741B1 (fr) 1983-09-09
JPS6034744B2 (ja) 1985-08-10
DE2714489A1 (de) 1977-10-06
CA1109822A (fr) 1981-09-29
DE2714489C2 (fr) 1987-09-03

Similar Documents

Publication Publication Date Title
BE832151A (fr) Procede de preparation d'une emulsion d'halogenure d'argent
BE848341A (fr) Procede d'electrolyse de solutions de chlorures alcalins,
BE868871A (fr) Procede d'electrolyse
FR2338336A1 (fr) Nouveau procede de brasquage des cuves pour electrolyse ignee
FR2319920A1 (fr) Procede pour la preparation d'emulsions d'halogenure d'argent
RO73514A (fr) Procede pour l'obtention d'alkylamides
FR2336971A1 (fr) Procede de formation de monocristaux d'halogenures alcalins
FR2351190A1 (fr) Procede pour la preparation electrolytique de chlorite
FR2490975B1 (fr) Procede de production d'objets en forme
BE861978A (fr) Procede d'hydrogenation des composes insatures
FR2336412A1 (fr) Procede nouveau de synthese de la 3', 4'-didesoxykanamycine b''
RO72583A (fr) Procede d'electroetamage des metaux
BE859325A (fr) Procede pour la chloration dirigee d'alcoylbenzenes
BE855733A (fr) Procede pour l'echange d'ions cobalt
BE878329A (fr) Procede pour separer le chlorure d'hydrogene du bromure d'hydrogene
FR2306263A1 (fr) Procede ameliore pour produire de l'urokinase
FR2346741A1 (fr) Procede pour former des grains d'halogenure d'argent par electrolyse
FR2348177A1 (fr) Procede pour l'orthoalcoylation des phenols
RO72474A (fr) Procede pour la preparation des indoldihydroindol-3-carboxamides dimeres
FR2318440A1 (fr) Procede pour la preparation d'emulsions d'halogenure d'argent
FR2349358A1 (fr) Procede perfectionne pour eliminer les ions metalliques d'un liquide en contenant
FR2322133A1 (fr) Procede pour produire des acyl-taurides
BE811672A (fr) Nouveau procede d'hydrogenation des cetones
BE833684A (fr) Procede de raffinage d'electrolytique d'argent
FR2352879A1 (fr) Procede pour la production d'

Legal Events

Date Code Title Description
ST Notification of lapse