GB1266639A - - Google Patents

Info

Publication number
GB1266639A
GB1266639A GB1266639DA GB1266639A GB 1266639 A GB1266639 A GB 1266639A GB 1266639D A GB1266639D A GB 1266639DA GB 1266639 A GB1266639 A GB 1266639A
Authority
GB
United Kingdom
Prior art keywords
acid
oct
heating
phenazinesulphonic
nitroso
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)
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 filed Critical
Publication of GB1266639A publication Critical patent/GB1266639A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/167—X-ray

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)
GB1266639D 1969-10-17 1970-10-16 Expired GB1266639A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8303269 1969-10-17

Publications (1)

Publication Number Publication Date
GB1266639A true GB1266639A (enrdf_load_stackoverflow) 1972-03-15

Family

ID=13790873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266639D Expired GB1266639A (enrdf_load_stackoverflow) 1969-10-17 1970-10-16

Country Status (3)

Country Link
US (1) US3718469A (enrdf_load_stackoverflow)
DE (1) DE2050919A1 (enrdf_load_stackoverflow)
GB (1) GB1266639A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839046A (en) * 1972-10-12 1974-10-01 Ilford Ltd Process for the production of a photographic print

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2282005A (en) * 1940-03-02 1942-05-05 Eastman Kodak Co Phenazine and naphthazine fog inhibitor for photographic emulsions
GB561875A (en) * 1942-12-03 1944-06-08 John David Kendall Improvements in or relating to photographic materials
US3396023A (en) * 1965-08-24 1968-08-06 Eastman Kodak Co Piazine antifoggants for silver halide emulsions
US3403025A (en) * 1965-08-25 1968-09-24 Eastman Kodak Co Desensitization of silver halides to visible radiation with thiuram disulfides
CH484454A (de) * 1967-04-20 1970-01-15 Ciba Geigy Verfahren zur Entwicklung photographischer Silberbilder

Also Published As

Publication number Publication date
US3718469A (en) 1973-02-27
DE2050919A1 (de) 1971-05-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees