GB1360939A – Silver dye bleach process
– Google Patents
GB1360939A – Silver dye bleach process
– Google Patents
Silver dye bleach process
Info
Publication number
GB1360939A
GB1360939A
GB5290672A
GB5290672A
GB1360939A
GB 1360939 A
GB1360939 A
GB 1360939A
GB 5290672 A
GB5290672 A
GB 5290672A
GB 5290672 A
GB5290672 A
GB 5290672A
GB 1360939 A
GB1360939 A
GB 1360939A
Authority
GB
United Kingdom
Prior art keywords
compound
acid
amino
composition
dye bleach
Prior art date
1971-11-29
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
GB5290672A
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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.)
1971-11-29
Filing date
1972-11-16
Publication date
1974-07-24
1972-11-16
Application filed by Ciba Geigy AG
filed
Critical
Ciba Geigy AG
1974-07-24
Publication of GB1360939A
publication
Critical
patent/GB1360939A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
Abstract
1360939 Photographic silver dye-bleaching composition CIBA-GEIGY A G 16 Nov 1972 [29 Nov 1971] 52906/72 Heading G2C A dye bleach composition for the silver dyebleach process comprises an acid, a watersoluble iodide and at least one mercapto compound of the formula:- R 1 – SH where R 1 is an optionally substituted 2-6C aliphatic radical or optionally substituted phenyl which may be substituted by primary amino, 1-4C monoalkylamino, di (1-4C alkyl) amino, OH or COOH or a salt thereof the solubility of the compound being at least 5 x 10
GB5290672A
1971-11-29
1972-11-16
Silver dye bleach process
Expired
GB1360939A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
CH1733171A
CH570640A5
(en)
1971-11-29
1971-11-29
Publications (1)
Publication Number
Publication Date
GB1360939A
true
GB1360939A
(en)
1974-07-24
Family
ID=4424580
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5290672A
Expired
GB1360939A
(en)
1971-11-29
1972-11-16
Silver dye bleach process
Country Status (12)
Country
Link
JP
(1)
JPS5422088B2
(en)
AT
(1)
AT319746B
(en)
AU
(1)
AU463691B2
(en)
BE
(1)
BE791978A
(en)
CA
(1)
CA1014402A
(en)
CH
(1)
CH570640A5
(en)
DE
(1)
DE2258076C2
(en)
FR
(1)
FR2169779B1
(en)
GB
(1)
GB1360939A
(en)
IT
(1)
IT973748B
(en)
NL
(1)
NL7216199A
(en)
ZA
(1)
ZA728077B
(en)
Families Citing this family (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CH579292A5
(en)
*
1973-05-18
1976-08-31
Ciba Geigy Ag
CH584914A5
(en)
*
1973-10-12
1977-02-15
Ciba Geigy Ag
CH594912A5
(en)
*
1974-07-10
1978-01-31
Ciba Geigy Ag
CH627006A5
(en)
*
1977-03-23
1981-12-15
Ciba Geigy Ag
AT368816B
(en)
*
1980-04-04
1982-11-10
Grabig Tetenal Photowerk
SILVER COLORING FOR A PHOTOGRAPHIC SILVER COLORING METHOD
CH657710A5
(en)
*
1983-07-20
1986-09-15
Ciba Geigy Ag
METHOD FOR PROCESSING PHOTOGRAPHIC SILVER COLOR MATERIALS.
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
BE475914A
(en)
*
1946-12-14
CH508899A
(en)
*
1968-06-25
1971-06-15
Ciba Geigy Ag
Color bleaching preparation for the photographic silver color bleaching process
DE2044994A1
(en)
*
1970-09-11
1972-03-16
Agfa-Gevaert Ag, 5090 Leverkusen
Dye bleach bath for the silver dye bleaching process
0
BE
BE791978D
patent/BE791978A/en
unknown
1971
1971-11-29
CH
CH1733171A
patent/CH570640A5/xx
not_active
IP Right Cessation
1972
1972-10-23
FR
FR7237498A
patent/FR2169779B1/fr
not_active
Expired
1972-11-02
AU
AU48464/72A
patent/AU463691B2/en
not_active
Expired
1972-11-14
ZA
ZA728077A
patent/ZA728077B/en
unknown
1972-11-15
CA
CA156,470A
patent/CA1014402A/en
not_active
Expired
1972-11-16
GB
GB5290672A
patent/GB1360939A/en
not_active
Expired
1972-11-27
DE
DE2258076A
patent/DE2258076C2/en
not_active
Expired
1972-11-27
IT
IT54305/72A
patent/IT973748B/en
active
1972-11-28
AT
AT1012772A
patent/AT319746B/en
not_active
IP Right Cessation
1972-11-29
NL
NL7216199A
patent/NL7216199A/xx
unknown
1972-11-29
JP
JP11906172A
patent/JPS5422088B2/ja
not_active
Expired
Also Published As
Publication number
Publication date
DE2258076A1
(en)
1973-05-30
FR2169779A1
(en)
1973-09-14
IT973748B
(en)
1974-06-10
CA1014402A
(en)
1977-07-26
FR2169779B1
(en)
1976-10-29
JPS4863724A
(en)
1973-09-04
AT319746B
(en)
1975-01-10
CH570640A5
(en)
1975-12-15
ZA728077B
(en)
1973-07-25
AU4846472A
(en)
1974-05-02
NL7216199A
(en)
1973-06-01
BE791978A
(en)
1973-05-28
AU463691B2
(en)
1975-07-31
JPS5422088B2
(en)
1979-08-04
DE2258076C2
(en)
1982-06-24
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Legal Events
Date
Code
Title
Description
1974-12-04
PS
Patent sealed
1982-06-23
PCNP
Patent ceased through non-payment of renewal fee
