GB880862A - Improvements in or relating to the production of coloured photographic images - Google Patents
Improvements in or relating to the production of coloured photographic imagesInfo
- Publication number
- GB880862A GB880862A GB3960856A GB3960856A GB880862A GB 880862 A GB880862 A GB 880862A GB 3960856 A GB3960856 A GB 3960856A GB 3960856 A GB3960856 A GB 3960856A GB 880862 A GB880862 A GB 880862A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phenyl
- methyl
- pyrazolone
- pentadecyl
- prepared
- 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
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 3
- 239000001257 hydrogen Substances 0.000 abstract 3
- 239000011701 zinc Substances 0.000 abstract 3
- 229910052725 zinc Inorganic materials 0.000 abstract 3
- -1 1 - phenyl - 2 - methyl - 3 - pentadecyl - Chemical class 0.000 abstract 2
- JTQLRUKDOAKGDM-UHFFFAOYSA-N 3-methyl-2-phenyl-4-phenyldiazenyl-1h-pyrazol-5-one Chemical compound O=C1NN(C=2C=CC=CC=2)C(C)=C1N=NC1=CC=CC=C1 JTQLRUKDOAKGDM-UHFFFAOYSA-N 0.000 abstract 2
- IVRFPAILPLMXIT-UHFFFAOYSA-N 5-pentadecyl-2-phenyl-4-phenyldiazenyl-1H-pyrazol-3-one Chemical compound C1(=CC=CC=C1)N1NC(=C(C1=O)N=NC1=CC=CC=C1)CCCCCCCCCCCCCCC IVRFPAILPLMXIT-UHFFFAOYSA-N 0.000 abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 abstract 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 abstract 2
- 239000012954 diazonium Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 abstract 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 2
- ZRHUHDUEXWHZMA-UHFFFAOYSA-N 1,4-dihydropyrazol-5-one Chemical class O=C1CC=NN1 ZRHUHDUEXWHZMA-UHFFFAOYSA-N 0.000 abstract 1
- NLIRJIAGCLZKBE-UHFFFAOYSA-N 1-hexadecyl-5-methyl-2-phenylpyrazol-3-one Chemical compound C1(=CC=CC=C1)N1N(C(=CC1=O)C)CCCCCCCCCCCCCCCC NLIRJIAGCLZKBE-UHFFFAOYSA-N 0.000 abstract 1
- NBHYXUUIJNGRNC-UHFFFAOYSA-N 1-methyl-2-(4-nitrophenyl)-5-pentadecylpyrazol-3-one Chemical compound [N+](=O)([O-])C1=CC=C(C=C1)N1N(C(=CC1=O)CCCCCCCCCCCCCCC)C NBHYXUUIJNGRNC-UHFFFAOYSA-N 0.000 abstract 1
- FOJWXMVPPFCOMB-UHFFFAOYSA-N 1-methyl-5-(4-nitrophenyl)-2-phenylpyrazol-3-one Chemical compound CN1C(C=2C=CC(=CC=2)[N+]([O-])=O)=CC(=O)N1C1=CC=CC=C1 FOJWXMVPPFCOMB-UHFFFAOYSA-N 0.000 abstract 1
- XLIPGCPFJCGTLZ-UHFFFAOYSA-N 2-(4-nitrophenyl)-5-pentadecyl-3H-pyrazol-4-one Chemical class [N+](=O)([O-])C1=CC=C(C=C1)N1N=C(C(=O)C1)CCCCCCCCCCCCCCC XLIPGCPFJCGTLZ-UHFFFAOYSA-N 0.000 abstract 1
- BTLOZVJCHCNZHK-UHFFFAOYSA-N 2-(4-nitrophenyl)-5-pentadecyl-4h-pyrazol-3-one Chemical compound O=C1CC(CCCCCCCCCCCCCCC)=NN1C1=CC=C([N+]([O-])=O)C=C1 BTLOZVJCHCNZHK-UHFFFAOYSA-N 0.000 abstract 1
- CIZYXFOTWNJIQM-UHFFFAOYSA-N 3-methyl-2-(4-nitrophenyl)-1h-pyrazol-5-one Chemical compound CC1=CC(=O)NN1C1=CC=C([N+]([O-])=O)C=C1 CIZYXFOTWNJIQM-UHFFFAOYSA-N 0.000 abstract 1
- YCXSSOJAFAQAPG-UHFFFAOYSA-N 4-amino-1-hexadecyl-5-methyl-2-phenylpyrazol-3-one Chemical compound C1(=CC=CC=C1)N1N(C(=C(C1=O)N)C)CCCCCCCCCCCCCCCC YCXSSOJAFAQAPG-UHFFFAOYSA-N 0.000 abstract 1
- QSNSCYSYFYORTR-UHFFFAOYSA-N 4-chloroaniline Chemical compound NC1=CC=C(Cl)C=C1 QSNSCYSYFYORTR-UHFFFAOYSA-N 0.000 abstract 1
- SKDHHIUENRGTHK-UHFFFAOYSA-N 4-nitrobenzoyl chloride Chemical compound [O-][N+](=O)C1=CC=C(C(Cl)=O)C=C1 SKDHHIUENRGTHK-UHFFFAOYSA-N 0.000 abstract 1
- KMVPXBDOWDXXEN-UHFFFAOYSA-N 4-nitrophenylhydrazine Chemical compound NNC1=CC=C([N+]([O-])=O)C=C1 KMVPXBDOWDXXEN-UHFFFAOYSA-N 0.000 abstract 1
- ACIJABUQDFAJDW-UHFFFAOYSA-N 4-phenyldiazenylpyrazol-3-one Chemical class O=C1N=NC=C1N=NC1=CC=CC=C1 ACIJABUQDFAJDW-UHFFFAOYSA-N 0.000 abstract 1
- SPVOZRNPGZFLQT-UHFFFAOYSA-N 5-amino-1-methyl-2-phenylpyrazol-3-one Chemical compound CN1C(N)=CC(=O)N1C1=CC=CC=C1 SPVOZRNPGZFLQT-UHFFFAOYSA-N 0.000 abstract 1
- GKKSREZWXISPPM-UHFFFAOYSA-N 5-pentadecyl-2-phenyl-4h-pyrazol-3-one Chemical compound O=C1CC(CCCCCCCCCCCCCCC)=NN1C1=CC=CC=C1 GKKSREZWXISPPM-UHFFFAOYSA-N 0.000 abstract 1
- PTZFSNYIEGUROD-UHFFFAOYSA-N N-(2-methyl-5-oxo-1-phenylpyrazol-3-yl)-4-nitrobenzamide Chemical compound C1(=CC=CC=C1)N1N(C(=CC1=O)NC(C1=CC=C(C=C1)[N+](=O)[O-])=O)C PTZFSNYIEGUROD-UHFFFAOYSA-N 0.000 abstract 1
- XMFLQFCGCOMLPP-UHFFFAOYSA-N N-acetyl-N-(5-oxo-3-pentadecyl-1-phenyl-4H-pyrazol-4-yl)acetamide Chemical compound C1(=CC=CC=C1)N1N=C(C(C1=O)N(C(C)=O)C(C)=O)CCCCCCCCCCCCCCC XMFLQFCGCOMLPP-UHFFFAOYSA-N 0.000 abstract 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 abstract 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 abstract 1
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 abstract 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- QELUYTUMUWHWMC-UHFFFAOYSA-N edaravone Chemical compound O=C1CC(C)=NN1C1=CC=CC=C1 QELUYTUMUWHWMC-UHFFFAOYSA-N 0.000 abstract 1
- CKODVOPRRYDOTH-UHFFFAOYSA-N ethyl N-(1-methyl-3-oxo-5-pentadecyl-2-phenylpyrazol-4-yl)carbamate Chemical compound C1(=CC=CC=C1)N1N(C(=C(C1=O)NC(=O)OCC)CCCCCCCCCCCCCCC)C CKODVOPRRYDOTH-UHFFFAOYSA-N 0.000 abstract 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 abstract 1
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 abstract 1
- RXHIZFMFPLHZDT-UHFFFAOYSA-N hexadecyl 4-methylbenzenesulfonate Chemical compound CCCCCCCCCCCCCCCCOS(=O)(=O)C1=CC=C(C)C=C1 RXHIZFMFPLHZDT-UHFFFAOYSA-N 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 229960004592 isopropanol Drugs 0.000 abstract 1
- VUQUOGPMUUJORT-UHFFFAOYSA-N methyl 4-methylbenzenesulfonate Chemical compound COS(=O)(=O)C1=CC=C(C)C=C1 VUQUOGPMUUJORT-UHFFFAOYSA-N 0.000 abstract 1
- 150000004702 methyl esters Chemical class 0.000 abstract 1
- DADSZOFTIIETSV-UHFFFAOYSA-N n,n-dichloroaniline Chemical compound ClN(Cl)C1=CC=CC=C1 DADSZOFTIIETSV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 235000010288 sodium nitrite Nutrition 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
- C07D231/52—Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
- C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
- C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
- C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
- C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
- C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
- C07D231/48—Oxygen atom in position 3 or 5 and nitrogen atom in position 4 with hydrocarbon radicals attached to said nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
- C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
- C07D231/50—Acylated on said nitrogen atom
-
- 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
- G03C7/18—Processes for the correction of the colour image in subtractive colour photography
-
- 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
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/32—Colour coupling substances
- G03C7/34—Couplers containing phenols
- G03C7/344—Naphtholic couplers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE563474D BE563474A (de) | 1956-12-31 | 1957-12-24 | |
| US705508A US3012884A (en) | 1956-12-31 | 1957-12-27 | Production of colored photographic images |
| FR1207422D FR1207422A (fr) | 1956-12-31 | 1957-12-30 | Procédé pour la production d'images photographiques en couleurs |
| DEG23643A DE1063900B (de) | 1956-12-31 | 1957-12-31 | Verfahren zur Herstellung von farbmaskierten photographischen Farbenbildern durch Farbentwicklung |
| US70914A US3013879A (en) | 1956-12-31 | 1960-11-22 | Production of color photographic images |
| GB23203/61A GB975930A (en) | 1956-12-31 | 1961-06-27 | Improvements in or relating to the production of coloured photographic images |
| FR874185A FR81106E (de) | 1956-12-31 | 1961-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG30580A DE1119666B (de) | 1960-09-27 | 1960-09-27 | Verfahren zur Herstellung von farbmaskierten photographischen Farbenbildern durch Farbentwicklung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB880862A true GB880862A (en) | 1961-10-25 |
Family
ID=7124049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3960856A Expired GB880862A (en) | 1956-12-31 | 1956-12-31 | Improvements in or relating to the production of coloured photographic images |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1119666B (de) |
| GB (1) | GB880862A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058529A (zh) * | 2021-03-30 | 2021-07-02 | 河北冀衡药业股份有限公司 | 一种4-亚硝基安替比林的连续化制备方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1282458B (de) * | 1964-10-03 | 1968-11-07 | Wolfen Filmfab Veb | Verfahren zur Herstellung farbkorrigierter fotografischer Farbbilder |
-
1956
- 1956-12-31 GB GB3960856A patent/GB880862A/en not_active Expired
-
1960
- 1960-09-27 DE DEG30580A patent/DE1119666B/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058529A (zh) * | 2021-03-30 | 2021-07-02 | 河北冀衡药业股份有限公司 | 一种4-亚硝基安替比林的连续化制备方法 |
| CN113058529B (zh) * | 2021-03-30 | 2023-01-31 | 河北冀衡药业股份有限公司 | 一种4-亚硝基安替比林的连续化制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1119666B (de) | 1961-12-14 |
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