GB1058488A - Improved photographic paper - Google Patents
Improved photographic paperInfo
- Publication number
- GB1058488A GB1058488A GB16040/64A GB1604064A GB1058488A GB 1058488 A GB1058488 A GB 1058488A GB 16040/64 A GB16040/64 A GB 16040/64A GB 1604064 A GB1604064 A GB 1604064A GB 1058488 A GB1058488 A GB 1058488A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photographic paper
- improved photographic
- prepared
- improved
- refluxing
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
- C07D271/113—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
- C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
- C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
- C07D285/135—Nitrogen atoms
-
- 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
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
- G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Paper (AREA)
Abstract
The compound having the formula <FORM:1058488/C2/1> where p=6, is prepared by refluxing suberic acid dihydrazide with carbon disulphide in pyridine. Compounds wherein p is 4 or 8 are similarly prepared.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA0042979 | 1963-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1058488A true GB1058488A (en) | 1967-02-08 |
Family
ID=6933405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16040/64A Expired GB1058488A (en) | 1963-04-27 | 1964-04-17 | Improved photographic paper |
Country Status (5)
Country | Link |
---|---|
US (1) | US3362826A (en) |
BE (1) | BE647145A (en) |
CH (1) | CH449421A (en) |
DE (1) | DE1447569A1 (en) |
GB (1) | GB1058488A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1919045C3 (en) * | 1969-04-15 | 1979-11-15 | Agfa-Gevaert Ag, 5090 Leverkusen | Process for producing stable photographic images |
JPS4835493B1 (en) * | 1970-02-26 | 1973-10-29 | ||
DE3403825A1 (en) * | 1983-02-04 | 1984-08-16 | Mitsubishi Paper Mills, Ltd., Tokyo | Photographic light-sensitive silver halide materials |
DE4200322A1 (en) * | 1992-01-09 | 1993-07-15 | Agfa Gevaert Ag | PHOTOGRAPHIC RECORDING MATERIAL |
WO2001029156A2 (en) * | 1999-10-20 | 2001-04-26 | R.T. Vanderbilt Company, Inc. | Thiadizole dimer additives and lubricating compositions containing the same |
US6620771B2 (en) * | 1999-10-20 | 2003-09-16 | R. T. Vanderbilt Company, Inc. | Thiadiazole dimer additives and lubricating compositions containing the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2453346A (en) * | 1945-10-25 | 1948-11-09 | Eastman Kodak Co | Stabilization of processed photographic emulsions to high temperatures and humidities |
FR964821A (en) * | 1946-04-05 | 1950-08-25 | ||
BE557661A (en) * | 1956-05-23 | |||
US3051570A (en) * | 1958-10-01 | 1962-08-28 | Gen Aniline & Film Corp | Antifoggants and stabilizers for photographic silver halide emulsions |
BE606550A (en) * | 1960-07-27 |
-
1963
- 1963-04-27 DE DE19631447569 patent/DE1447569A1/en active Pending
-
1964
- 1964-04-03 US US357314A patent/US3362826A/en not_active Expired - Lifetime
- 1964-04-09 CH CH464064A patent/CH449421A/en unknown
- 1964-04-17 GB GB16040/64A patent/GB1058488A/en not_active Expired
- 1964-04-27 BE BE647145D patent/BE647145A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH449421A (en) | 1967-12-31 |
US3362826A (en) | 1968-01-09 |
BE647145A (en) | 1964-10-27 |
DE1447569A1 (en) | 1969-02-13 |
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