GB835047A - Improvements in photographic silver halide emulsions - Google Patents

Improvements in photographic silver halide emulsions

Info

Publication number
GB835047A
GB835047A GB530/57A GB53057A GB835047A GB 835047 A GB835047 A GB 835047A GB 530/57 A GB530/57 A GB 530/57A GB 53057 A GB53057 A GB 53057A GB 835047 A GB835047 A GB 835047A
Authority
GB
United Kingdom
Prior art keywords
amino
silver halide
photographic silver
dinitroanisole
nitro
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
GB530/57A
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.)
Kodak Ltd
Original Assignee
Kodak 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 Kodak Ltd filed Critical Kodak Ltd
Publication of GB835047A publication Critical patent/GB835047A/en
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

835,047. Photographic materials. KODAK Ltd. Jan. 7, 1957 [Jan. 5, 1956], No. 530/57. Class 98(2) A photographic silver halide emulsion layer or a layer contiguous thereto, contains an antifoggant of the general formula:- wherein R is hydrogen, methoxy, nitro or amino, R 1 is nitro or amino and Ra is hydrogen, nitro or amino. Compounds specified are 2-amino-3; 5-dinitroanisole, 2 ; 3-diamino-5-nitroanisole, 2 ; 3 ; 5-trinitroanisole, 3 ; 5-dinitroanisole, 3 ; 5-dinitroveratrole, 3 ; 4 ; 5-trinitroveratrole and 2 ; 4-diamino-3 ; 5-dinitroanisole.
GB530/57A 1956-01-05 1957-01-07 Improvements in photographic silver halide emulsions Expired GB835047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US835047XA 1956-01-05 1956-01-05

Publications (1)

Publication Number Publication Date
GB835047A true GB835047A (en) 1960-05-18

Family

ID=22178763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB530/57A Expired GB835047A (en) 1956-01-05 1957-01-07 Improvements in photographic silver halide emulsions

Country Status (1)

Country Link
GB (1) GB835047A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148066A (en) * 1961-06-29 1964-09-08 Eastman Kodak Co Nitramino and nitrosamino compounds as antifoggants for photographic emulsions
DE2245286A1 (en) * 1971-09-17 1973-03-22 Agfa Gevaert Ag DEVELOPMENT OF PHOTOGRAPHICAL MATERIALS AT INCREASED TEMPERATURE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148066A (en) * 1961-06-29 1964-09-08 Eastman Kodak Co Nitramino and nitrosamino compounds as antifoggants for photographic emulsions
DE2245286A1 (en) * 1971-09-17 1973-03-22 Agfa Gevaert Ag DEVELOPMENT OF PHOTOGRAPHICAL MATERIALS AT INCREASED TEMPERATURE

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