GB1495504A - Photographic colour developer compositions - Google Patents

Photographic colour developer compositions

Info

Publication number
GB1495504A
GB1495504A GB4892274A GB4892274A GB1495504A GB 1495504 A GB1495504 A GB 1495504A GB 4892274 A GB4892274 A GB 4892274A GB 4892274 A GB4892274 A GB 4892274A GB 1495504 A GB1495504 A GB 1495504A
Authority
GB
United Kingdom
Prior art keywords
photographic colour
nov
colour developer
photographic
developer compositions
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
GB4892274A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1495504A publication Critical patent/GB1495504A/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

Abstract

1495504 Photographic colour developer EASTMAN KODAK CO 12 Nov 1974 [12 Nov 1973] 48922/74 Heading G2C Photographic colour developers containing a primary aromatic amine colour developing agent and a hydroxylamine salt in aqueous alkaline solution are stabilized by incorporation of 1,3-diamino- 2-propanol tetraacetic acid and an aminodiphosphoric acid sequestering agent, which may be of the Formula:- where R<SP>3</SP> is alkyl of up to 5 carbons e.g. methyl or ethyl. Developing agents specified are those of the p-phenylene diamine and aminophenol types.
GB4892274A 1973-11-12 1974-11-12 Photographic colour developer compositions Expired GB1495504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41527573A 1973-11-12 1973-11-12

Publications (1)

Publication Number Publication Date
GB1495504A true GB1495504A (en) 1977-12-21

Family

ID=23645053

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4892274A Expired GB1495504A (en) 1973-11-12 1974-11-12 Photographic colour developer compositions
GB3137977A Expired GB1496326A (en) 1973-11-12 1974-11-12 Photographic colour developer compositions

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3137977A Expired GB1496326A (en) 1973-11-12 1974-11-12 Photographic colour developer compositions

Country Status (11)

Country Link
JP (1) JPS5649348B2 (en)
AR (1) AR207125A1 (en)
AT (1) AT342970B (en)
BE (1) BE822090A (en)
BR (1) BR7409309A (en)
CA (1) CA1055763A (en)
DE (1) DE2453630A1 (en)
ES (1) ES431839A1 (en)
FR (1) FR2251036B1 (en)
GB (2) GB1495504A (en)
IT (1) IT1025645B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541448A (en) * 1978-09-19 1980-03-24 Oriental Shashin Kogyo Kk Color developing solution for silver halide photographic material
US4264716A (en) * 1979-09-10 1981-04-28 Eastman Kodak Company Photographic color developer compositions
DE3366752D1 (en) * 1982-04-29 1986-11-13 Eastman Kodak Co Stabilised photographic color developer compositions and processes
US4551411A (en) * 1984-12-28 1985-11-05 Eastman Kodak Company Sequestrants used in diffusion transfer elements with metallizable dyes
JPH0431136Y2 (en) * 1985-07-27 1992-07-27
US5477860A (en) * 1992-11-05 1995-12-26 Synectics Medical, Inc. Catheter for measuring respiration and respiratory effort
US5438985A (en) * 1993-01-25 1995-08-08 Synectics Medical, Incorporated Ambulatory recording of the presence and activity of substances in gastro-intestinal compartments
US5657759A (en) 1993-05-13 1997-08-19 Synectics Medical, Incorporated Measurement of gastric emptying and gastrointestinal output
US5551425A (en) * 1993-05-13 1996-09-03 Synectics Medical, Inc. Potential difference and perfusion pressure catheter
US5479935A (en) * 1993-10-21 1996-01-02 Synectics Medical, Inc. Ambulatory reflux monitoring system

Also Published As

Publication number Publication date
GB1496326A (en) 1977-12-30
JPS5649348B2 (en) 1981-11-20
CA1055763A (en) 1979-06-05
JPS5081337A (en) 1975-07-02
AR207125A1 (en) 1976-09-15
DE2453630A1 (en) 1975-05-15
FR2251036A1 (en) 1975-06-06
BR7409309A (en) 1976-05-11
ES431839A1 (en) 1977-05-16
AT342970B (en) 1978-05-10
IT1025645B (en) 1978-08-30
ATA901974A (en) 1977-08-15
FR2251036B1 (en) 1979-02-23
BE822090A (en) 1975-05-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee