GB1205081A - Colour photography - Google Patents

Colour photography

Info

Publication number
GB1205081A
GB1205081A GB4303/68A GB430368A GB1205081A GB 1205081 A GB1205081 A GB 1205081A GB 4303/68 A GB4303/68 A GB 4303/68A GB 430368 A GB430368 A GB 430368A GB 1205081 A GB1205081 A GB 1205081A
Authority
GB
United Kingdom
Prior art keywords
dyes
colour photography
jan
formazane
photography
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
GB4303/68A
Other languages
English (en)
Inventor
Eric Macdonald
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford 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
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to GB4303/68A priority Critical patent/GB1205081A/en
Priority to US793553*A priority patent/US3645737A/en
Priority to BE727411D priority patent/BE727411A/xx
Publication of GB1205081A publication Critical patent/GB1205081A/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB4303/68A 1968-01-26 1968-01-26 Colour photography Expired GB1205081A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4303/68A GB1205081A (en) 1968-01-26 1968-01-26 Colour photography
US793553*A US3645737A (en) 1968-01-26 1969-01-23 Silver halide photographic processing using formazans
BE727411D BE727411A (xx) 1968-01-26 1969-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4303/68A GB1205081A (en) 1968-01-26 1968-01-26 Colour photography

Publications (1)

Publication Number Publication Date
GB1205081A true GB1205081A (en) 1970-09-16

Family

ID=9774620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4303/68A Expired GB1205081A (en) 1968-01-26 1968-01-26 Colour photography

Country Status (3)

Country Link
US (1) US3645737A (xx)
BE (1) BE727411A (xx)
GB (1) GB1205081A (xx)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168400A (en) * 1961-05-22 1965-02-02 Eastman Kodak Co Rapid processing of photographic color materials
DE1195164B (de) * 1964-03-20 1965-06-16 Agfa Ag Verfahren zur Herstellung von direkt positiven photographischen Farbbildern
US3503741A (en) * 1966-11-04 1970-03-31 Eastman Kodak Co Silver-dye-bleach process utilizing formazan dyes

Also Published As

Publication number Publication date
US3645737A (en) 1972-02-29
BE727411A (xx) 1969-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees