GB1371078A – Photographic silver halide emulsions
– Google Patents
GB1371078A – Photographic silver halide emulsions
– Google Patents
Photographic silver halide emulsions
Info
Publication number
GB1371078A
GB1371078A
GB5579071A
GB5579071A
GB1371078A
GB 1371078 A
GB1371078 A
GB 1371078A
GB 5579071 A
GB5579071 A
GB 5579071A
GB 5579071 A
GB5579071 A
GB 5579071A
GB 1371078 A
GB1371078 A
GB 1371078A
Authority
GB
United Kingdom
Prior art keywords
silver halide
silver
emulsion
dye
complex
Prior art date
1970-12-04
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
GB5579071A
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.)
1970-12-04
Filing date
1971-12-01
Publication date
1974-10-23
1971-12-01
Application filed by Eastman Kodak Co
filed
Critical
Eastman Kodak Co
1974-10-23
Publication of GB1371078A
publication
Critical
patent/GB1371078A/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
G03C1/00—Photosensitive materials
G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
G03C1/08—Sensitivity-increasing substances
G03C1/28—Sensitivity-increasing substances together with supersensitising substances
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
G03C1/00—Photosensitive materials
G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
G03C1/08—Sensitivity-increasing substances
G03C1/10—Organic substances
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
G03C1/00—Photosensitive materials
G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
G03C1/08—Sensitivity-increasing substances
G03C1/10—Organic substances
G03C1/12—Methine and polymethine dyes
Abstract
1371078 Silver halide emulsions EASTMAN KODAK CO 1 Dec 1971 [4 Dec 1970] 55790/71 Heading G2C A light-sensitive photographic material comprises a silver halide emulsion layer containing (a) a photographic spectral sensitizing dye having a polarographic cathodic halfwave potential more positive than -1À80 volts and in the emulsion layer or a layer adjacent thereto (b) an organic silver complex of formula in which R
GB5579071A
1970-12-04
1971-12-01
Photographic silver halide emulsions
Expired
GB1371078A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US9542070A
1970-12-04
1970-12-04
Publications (1)
Publication Number
Publication Date
GB1371078A
true
GB1371078A
(en)
1974-10-23
Family
ID=22251931
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5579071A
Expired
GB1371078A
(en)
1970-12-04
1971-12-01
Photographic silver halide emulsions
Country Status (6)
Country
Link
US
(1)
US3706569A
(en)
BE
(1)
BE776314A
(en)
CA
(1)
CA962880A
(en)
DE
(1)
DE2159631A1
(en)
FR
(1)
FR2117417A5
(en)
GB
(1)
GB1371078A
(en)
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS4974018A
(en)
*
1972-10-02
1974-07-17
US4011083A
(en)
*
1974-12-10
1977-03-08
Eastman Kodak Company
Surface sensitive silver halide emulsion containing a silver complexing azaindene to reduce desensitization of optical sensitizing dye incorporated therein
DE2752046C2
(en)
*
1977-11-22
1985-10-03
Agfa-Gevaert Ag, 5090 Leverkusen
Light sensitive photographic recording material
1970
1970-12-04
US
US95420A
patent/US3706569A/en
not_active
Expired – Lifetime
1971
1971-11-04
CA
CA126,844A
patent/CA962880A/en
not_active
Expired
1971-12-01
DE
DE19712159631
patent/DE2159631A1/en
active
Pending
1971-12-01
GB
GB5579071A
patent/GB1371078A/en
not_active
Expired
1971-12-06
BE
BE776314A
patent/BE776314A/en
unknown
1971-12-06
FR
FR7143655A
patent/FR2117417A5/fr
not_active
Expired
Also Published As
Publication number
Publication date
BE776314A
(en)
1972-04-04
FR2117417A5
(en)
1972-07-21
US3706569A
(en)
1972-12-19
CA962880A
(en)
1975-02-18
DE2159631A1
(en)
1972-06-22
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(en)
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(en)
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(en)
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(en)
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Legal Events
Date
Code
Title
Description
1975-03-05
PS
Patent sealed [section 19, patents act 1949]
1980-07-23
PCNP
Patent ceased through non-payment of renewal fee
