GB796873A - Improvements in or relating to photographic emulsions - Google Patents
Improvements in or relating to photographic emulsionsInfo
- Publication number
- GB796873A GB796873A GB35797/54A GB3579754A GB796873A GB 796873 A GB796873 A GB 796873A GB 35797/54 A GB35797/54 A GB 35797/54A GB 3579754 A GB3579754 A GB 3579754A GB 796873 A GB796873 A GB 796873A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nitrophenyl
- prepared
- dinitro
- dihydrazino
- methyl
- 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
- 239000000839 emulsion Substances 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- KZOYOWHFCLDEAN-UHFFFAOYSA-N (2-methyl-4-oxopentan-2-yl) thiocyanate Chemical compound CC(=O)CC(C)(C)SC#N KZOYOWHFCLDEAN-UHFFFAOYSA-N 0.000 abstract 2
- NXHSSIGRWJENBH-UHFFFAOYSA-N 1-isothiocyanato-4-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(N=C=S)C=C1 NXHSSIGRWJENBH-UHFFFAOYSA-N 0.000 abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 abstract 1
- LNRDNKDKGSGDNO-UHFFFAOYSA-N 1-(2-cyanopropan-2-yl)-1-(4-nitrophenyl)thiourea Chemical compound [N+](=O)([O-])C1=CC=C(C=C1)N(C(=S)N)C(C)(C)C#N LNRDNKDKGSGDNO-UHFFFAOYSA-N 0.000 abstract 1
- HFBSJSGFVRNLAP-UHFFFAOYSA-N 3-(4-nitrophenyl)-6-phenyl-2-sulfanyl-2,6-dihydro-1H-pyrimidin-4-ol Chemical compound [N+](=O)([O-])C1=CC=C(C=C1)N1C(NC(C=C1O)C1=CC=CC=C1)S HFBSJSGFVRNLAP-UHFFFAOYSA-N 0.000 abstract 1
- TYMLOMAKGOJONV-UHFFFAOYSA-N 4-nitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1 TYMLOMAKGOJONV-UHFFFAOYSA-N 0.000 abstract 1
- HNXOMNGIKSLZDR-UHFFFAOYSA-N CC1=NCNC=C1 Chemical compound CC1=NCNC=C1 HNXOMNGIKSLZDR-UHFFFAOYSA-N 0.000 abstract 1
- KZTYYGOKRVBIMI-UHFFFAOYSA-N S-phenyl benzenesulfonothioate Natural products C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 229940124277 aminobutyric acid Drugs 0.000 abstract 1
- UMGDCJDMYOKAJW-UHFFFAOYSA-N aminothiocarboxamide Natural products NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 abstract 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 abstract 1
- 230000000802 nitrating effect Effects 0.000 abstract 1
- 125000000636 p-nitrophenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)[N+]([O-])=O 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/20—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D239/22—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to ring carbon 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
- G03C1/485—Direct positive emulsions
- G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE543288D BE543288A (enrdf_load_stackoverflow) | 1954-12-10 | ||
| GB35797/54A GB796873A (en) | 1954-12-10 | 1954-12-10 | Improvements in or relating to photographic emulsions |
| US551458A US2901351A (en) | 1954-12-10 | 1955-12-06 | Direct positive photographic material |
| FR1136718D FR1136718A (fr) | 1954-12-10 | 1955-12-09 | Procédé pour la production d'émulsions photographiques positives directes |
| DEG18553A DE1019171B (de) | 1954-12-10 | 1955-12-09 | Verfahren zur Herstellung von direktpositivem lichtempfindlichem Material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB35797/54A GB796873A (en) | 1954-12-10 | 1954-12-10 | Improvements in or relating to photographic emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB796873A true GB796873A (en) | 1958-06-18 |
Family
ID=10381638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35797/54A Expired GB796873A (en) | 1954-12-10 | 1954-12-10 | Improvements in or relating to photographic emulsions |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2901351A (enrdf_load_stackoverflow) |
| BE (1) | BE543288A (enrdf_load_stackoverflow) |
| DE (1) | DE1019171B (enrdf_load_stackoverflow) |
| FR (1) | FR1136718A (enrdf_load_stackoverflow) |
| GB (1) | GB796873A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519428A (en) * | 1965-05-21 | 1970-07-07 | Keuffel & Esser Co | Direct-positive light-sensitive photographic material |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE576568A (enrdf_load_stackoverflow) * | 1958-03-11 | |||
| BE608384A (enrdf_load_stackoverflow) * | 1960-09-24 | |||
| US3148066A (en) * | 1961-06-29 | 1964-09-08 | Eastman Kodak Co | Nitramino and nitrosamino compounds as antifoggants for photographic emulsions |
| US3367779A (en) * | 1965-01-21 | 1968-02-06 | Fuji Photo Film Co Ltd | Direct positive silver halide photographic materials |
| DE1937049A1 (de) * | 1968-07-23 | 1970-02-19 | Fuji Photo Film Co Ltd | Verfahren zur Behandlung von photographischen lichtempfindlichen Halogensilberelementen |
| GB1323111A (en) * | 1970-04-01 | 1973-07-11 | Agfa Gevaert | Photographic direct positive silver halide material |
| BE785847A (nl) * | 1971-07-30 | 1973-01-05 | Agfa Gevaert Nv | Direct-positieve zilverhalogenide-emulsies met kleurstofvormers |
| JPS4984639A (enrdf_load_stackoverflow) * | 1972-12-19 | 1974-08-14 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB601824A (en) * | 1945-10-04 | 1948-05-13 | Elliott & Sons Ltd | Improvements in photographic light sensitive emulsions |
| DE685901C (de) * | 1935-08-31 | 1939-12-28 | I G Farbenindustrie Akt Ges | Verfahren zur Feinkornentwicklung |
| US2173628A (en) * | 1936-11-07 | 1939-09-19 | Ilford Ltd | Stabilization of photographic sensitive materials |
| GB508073A (en) * | 1937-12-22 | 1939-06-22 | John David Kendall | Improvements in or relating to the stabilisation of photographic emulsions |
| GB707704A (en) * | 1952-03-20 | 1954-04-21 | Ilford Ltd | Improvements in or relating to direct positive photographic emulsions |
-
0
- BE BE543288D patent/BE543288A/xx unknown
-
1954
- 1954-12-10 GB GB35797/54A patent/GB796873A/en not_active Expired
-
1955
- 1955-12-06 US US551458A patent/US2901351A/en not_active Expired - Lifetime
- 1955-12-09 DE DEG18553A patent/DE1019171B/de active Pending
- 1955-12-09 FR FR1136718D patent/FR1136718A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519428A (en) * | 1965-05-21 | 1970-07-07 | Keuffel & Esser Co | Direct-positive light-sensitive photographic material |
Also Published As
| Publication number | Publication date |
|---|---|
| US2901351A (en) | 1959-08-25 |
| BE543288A (enrdf_load_stackoverflow) | |
| DE1019171B (de) | 1957-11-07 |
| FR1136718A (fr) | 1957-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB796873A (en) | Improvements in or relating to photographic emulsions | |
| GB956336A (en) | Improvements in materials for forming vesicular images | |
| GB867220A (en) | Nitro dyes for keratinic fibres | |
| CH394702A (fr) | Utilisation comme herbicides de dérivés de l'acide phénoxyacétique | |
| GB1008694A (en) | Manufacture of silver halide emulsions | |
| CH457355A (de) | Stabile wasserhaltige Lösung von Azofarbstoffen, Verfahren zu ihrer Herstellung und ihre Verwendung | |
| GB916829A (en) | Improvements in or relating to photographic dyed prints | |
| ES8500957A1 (es) | Un procedimiento para preparar compuestos de cefalosporina. | |
| AT217462B (de) | Verfahren zur Herstellung des neuen 1-(2'-Hydroxyäthyl)-3-(5-nitrofurfuryliden-amino)-imidazolidin-thions-(2) | |
| GB1008844A (en) | New nitrophenylenediamine derivatives and their use in dyeing animal fibres | |
| GB838557A (en) | 2-mercaptooxazolines as developer retarders | |
| SU143389A1 (ru) | Способ получени метакриловой кислоты и ее производных | |
| ES310982A1 (es) | Procedimiento para la preparacion de nuevas ureas sustituidas. | |
| GB876995A (en) | Preparation of benzothiadiazine-1,1-dioxide derivatives | |
| GB565135A (en) | Improvements relating to photographic processing solutions | |
| SU150793A1 (ru) | Способ получени алкоксиметиленамидов 0,0-диалкилтио- и 0,0-диалкилдитиофосфорилуксусной кислоты | |
| GB727007A (en) | New semicarbazones | |
| GB922273A (en) | Manufacture of caprolactam | |
| GB938080A (en) | Preparation of 2-amino-5-nitrothiazole | |
| ES218741A1 (es) | Una mejora introducida en los métodos para la reducción de nitrociclohexano a oxima de ciclohexanona | |
| GB874205A (en) | Improvements in or relating to triazaindolizine derivatives | |
| GB1013432A (en) | Improved process for the preparation of nitrosoamine | |
| ES218740A1 (es) | Una mejora introducida en los métodos para la reducción del nitrociclohexano a oxima de ciclohexanona | |
| GB771484A (en) | Preparation of -ß-aminomethyltropolone | |
| GB927423A (en) | Dipiperazine sulphate solutions and method therefor |