GB413428A - Improvements in photographic processes employing bichromated colloids - Google Patents

Improvements in photographic processes employing bichromated colloids

Info

Publication number
GB413428A
GB413428A GB6649/33A GB664933A GB413428A GB 413428 A GB413428 A GB 413428A GB 6649/33 A GB6649/33 A GB 6649/33A GB 664933 A GB664933 A GB 664933A GB 413428 A GB413428 A GB 413428A
Authority
GB
United Kingdom
Prior art keywords
layer
class
layers
rare earth
sensitized
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
GB6649/33A
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.)
MacDermid Autotype Ltd
Original Assignee
Autotype Co Ltd
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 to BE400105D priority Critical patent/BE400105A/xx
Application filed by Autotype Co Ltd filed Critical Autotype Co Ltd
Priority to GB6649/33A priority patent/GB413428A/en
Priority to DEA69548D priority patent/DE679383C/de
Priority to FR764726D priority patent/FR764726A/fr
Priority to US702787A priority patent/US1994289A/en
Publication of GB413428A publication Critical patent/GB413428A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004Photosensitive materials
    • G03F7/04Chromates

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Colloid Chemistry (AREA)
  • Paints Or Removers (AREA)
GB6649/33A 1933-03-04 1933-03-04 Improvements in photographic processes employing bichromated colloids Expired GB413428A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE400105D BE400105A (enrdf_load_stackoverflow) 1933-03-04
GB6649/33A GB413428A (en) 1933-03-04 1933-03-04 Improvements in photographic processes employing bichromated colloids
DEA69548D DE679383C (de) 1933-03-04 1933-05-23 Verfahren zum Herstellen von Filmen, deren kolloidaler Grundstoff durch Bichromat sensibilisiert ist
FR764726D FR764726A (fr) 1933-03-04 1933-12-01 Perfectionnements aux procédés photographiques utilisant des colloïdes bichromatés
US702787A US1994289A (en) 1933-03-04 1933-12-16 Photographic process employing bichromated colloids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6649/33A GB413428A (en) 1933-03-04 1933-03-04 Improvements in photographic processes employing bichromated colloids

Publications (1)

Publication Number Publication Date
GB413428A true GB413428A (en) 1934-07-19

Family

ID=9818280

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6649/33A Expired GB413428A (en) 1933-03-04 1933-03-04 Improvements in photographic processes employing bichromated colloids

Country Status (5)

Country Link
US (1) US1994289A (enrdf_load_stackoverflow)
BE (1) BE400105A (enrdf_load_stackoverflow)
DE (1) DE679383C (enrdf_load_stackoverflow)
FR (1) FR764726A (enrdf_load_stackoverflow)
GB (1) GB413428A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564414A (en) * 1949-05-14 1951-08-14 Interchem Corp Developer for bichromated colloids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564414A (en) * 1949-05-14 1951-08-14 Interchem Corp Developer for bichromated colloids

Also Published As

Publication number Publication date
BE400105A (enrdf_load_stackoverflow)
DE679383C (de) 1939-08-04
FR764726A (fr) 1934-05-26
US1994289A (en) 1935-03-12

Similar Documents

Publication Publication Date Title
GB1156193A (en) Photographic Silver Halide Emulsions
GB1013439A (en) Photographic processing webs
US4693956A (en) Process for high contrast development of photographic elements
GB1413826A (en) Sensitized silver halide photographic emulsions
GB723019A (en) Improvements in or relating to the manufacture of photographic material
US4059450A (en) Direct positive silver halide elements
GB1362032A (en) Method of making photographic silver halide emulsions
GB413428A (en) Improvements in photographic processes employing bichromated colloids
GB1186714A (en) Photographic Emulsions
US3189454A (en) Method of photographic development and fixing
GB698027A (en) Photographic light-sensitive diazotype material
US2875052A (en) Photographic material for the direct production of positive photographic images
US3656961A (en) Direct positive silver halide photographic light-sensitive elements
US4045228A (en) Direct positive emulsions containing fogged, monodispersed silver halide grains having more than 10 mile % iodide
US4287296A (en) Direct-positive emulsion containing fogged, silver halide grains of silver iodide content
DE899586C (de) Verfahren zur Herstellung von dauerhaften Lichtaufzeichnungen auf Silbersalzschichten
GB1350619A (en) Silver halide photographic emulsions
GB1306801A (en) Production of photographic silver images
GB1179136A (en) Photographic Material.
US4401753A (en) Photographic silver halide material for use in the silver complex diffusion transfer reversal process with two silver halide layers
GB1183907A (en) Photographic Silver Materials and Processes
GB228377A (en) Improved manufacture of colloid layers containing chromate colloids sensitive to light
JPS5914737B2 (ja) 写真法
GB568323A (en) Improvements in colour photography
US4008089A (en) Direct-positive silver halide emulsion reduction and gold fogged in contact with a palladium compound