GB785072A - Improvements in or relating to the preparation of aromatic carboxylic acids - Google Patents
Improvements in or relating to the preparation of aromatic carboxylic acidsInfo
- Publication number
- GB785072A GB785072A GB15120/55A GB1512055A GB785072A GB 785072 A GB785072 A GB 785072A GB 15120/55 A GB15120/55 A GB 15120/55A GB 1512055 A GB1512055 A GB 1512055A GB 785072 A GB785072 A GB 785072A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cobalt
- aromatic
- alkyl
- acid
- aliphatic
- 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
- -1 aromatic carboxylic acids Chemical class 0.000 title abstract 6
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 6
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 abstract 6
- 150000001875 compounds Chemical class 0.000 abstract 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 abstract 4
- 125000000217 alkyl group Chemical group 0.000 abstract 4
- 229910017052 cobalt Inorganic materials 0.000 abstract 4
- 239000010941 cobalt Substances 0.000 abstract 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 4
- 229910001882 dioxygen Inorganic materials 0.000 abstract 4
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- 150000002739 metals Chemical class 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 abstract 4
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 abstract 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 230000001590 oxidative effect Effects 0.000 abstract 3
- 125000001424 substituent group Chemical group 0.000 abstract 3
- BFIMMTCNYPIMRN-UHFFFAOYSA-N 1,2,3,5-tetramethylbenzene Chemical compound CC1=CC(C)=C(C)C(C)=C1 BFIMMTCNYPIMRN-UHFFFAOYSA-N 0.000 abstract 2
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 abstract 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 125000005907 alkyl ester group Chemical group 0.000 abstract 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- SQNZJJAZBFDUTD-UHFFFAOYSA-N durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 125000005609 naphthenate group Chemical group 0.000 abstract 2
- UOHMMEJUHBCKEE-UHFFFAOYSA-N prehnitene Chemical compound CC1=CC=C(C)C(C)=C1C UOHMMEJUHBCKEE-UHFFFAOYSA-N 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 229920006395 saturated elastomer Polymers 0.000 abstract 2
- 229910052720 vanadium Inorganic materials 0.000 abstract 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 abstract 2
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 abstract 1
- UNEATYXSUBPPKP-UHFFFAOYSA-N 1,3-Diisopropylbenzene Chemical compound CC(C)C1=CC=CC(C(C)C)=C1 UNEATYXSUBPPKP-UHFFFAOYSA-N 0.000 abstract 1
- SPPWGCYEYAMHDT-UHFFFAOYSA-N 1,4-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=C(C(C)C)C=C1 SPPWGCYEYAMHDT-UHFFFAOYSA-N 0.000 abstract 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 abstract 1
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 abstract 1
- BWLBGMIXKSTLSX-UHFFFAOYSA-N 2-hydroxyisobutyric acid Chemical compound CC(C)(O)C(O)=O BWLBGMIXKSTLSX-UHFFFAOYSA-N 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 abstract 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- LIABKAQKQSUQJX-UHFFFAOYSA-N [Mn].[Pb] Chemical compound [Mn].[Pb] LIABKAQKQSUQJX-UHFFFAOYSA-N 0.000 abstract 1
- 235000011054 acetic acid Nutrition 0.000 abstract 1
- 150000001243 acetic acids Chemical class 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 150000001335 aliphatic alkanes Chemical class 0.000 abstract 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 150000008359 benzonitriles Chemical class 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- FJFWTTLJIDBSAU-UHFFFAOYSA-L cobalt(2+) 4-methylbenzoate Chemical compound [Co++].Cc1ccc(cc1)C([O-])=O.Cc1ccc(cc1)C([O-])=O FJFWTTLJIDBSAU-UHFFFAOYSA-L 0.000 abstract 1
- AMFIJXSMYBKJQV-UHFFFAOYSA-L cobalt(2+);octadecanoate Chemical compound [Co+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AMFIJXSMYBKJQV-UHFFFAOYSA-L 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 150000001908 cumenes Chemical class 0.000 abstract 1
- 229930007927 cymene Natural products 0.000 abstract 1
- 150000005195 diethylbenzenes Chemical class 0.000 abstract 1
- 125000004494 ethyl ester group Chemical group 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 239000011874 heated mixture Substances 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 abstract 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 abstract 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 abstract 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 1
- 125000005474 octanoate group Chemical group 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- CKMXAIVXVKGGFM-UHFFFAOYSA-N p-cumic acid Chemical class CC(C)C1=CC=C(C(O)=O)C=C1 CKMXAIVXVKGGFM-UHFFFAOYSA-N 0.000 abstract 1
- 150000002932 p-cymene derivatives Chemical class 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 150000004672 propanoic acids Chemical class 0.000 abstract 1
- 235000019260 propionic acid Nutrition 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 abstract 1
- 229960001860 salicylate Drugs 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- YTZKOQUCBOVLHL-UHFFFAOYSA-N tert-butylbenzene Chemical compound CC(C)(C)C1=CC=CC=C1 YTZKOQUCBOVLHL-UHFFFAOYSA-N 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000008096 xylene Substances 0.000 abstract 1
- 150000003738 xylenes Chemical class 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
- C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/845—Cobalt
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US432911A US2839575A (en) | 1954-05-27 | 1954-05-27 | Oxidation of alkyl-substituted benzene carboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB785072A true GB785072A (en) | 1957-10-23 |
Family
ID=23718073
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15120/55A Expired GB785072A (en) | 1954-05-27 | 1955-05-25 | Improvements in or relating to the preparation of aromatic carboxylic acids |
| GB15119/55A Expired GB792199A (en) | 1954-05-27 | 1955-05-25 | Improvements in or relating to the preparation of aromatic dicarboxylic acids and partial alkyl esters thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15119/55A Expired GB792199A (en) | 1954-05-27 | 1955-05-25 | Improvements in or relating to the preparation of aromatic dicarboxylic acids and partial alkyl esters thereof |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2839575A (en:Method) |
| BE (1) | BE538436A (en:Method) |
| FR (2) | FR1132434A (en:Method) |
| GB (2) | GB785072A (en:Method) |
| NL (3) | NL197526A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694333A1 (en) * | 1994-03-22 | 1996-01-31 | Council of Scientific and Industrial Research | Catalyst for preparing carboxylic acids |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971554C (de) * | 1954-05-12 | 1959-02-19 | Bergwerksverband Zur Verwertun | Verfahren und Vorrichtung zur Herstellung von Carbonsaeuren durch Oxydation organischer Stoffe mit Salpetersaeure |
| US3075009A (en) * | 1958-09-30 | 1963-01-22 | Sinclair Refining Co | Oxidation of alkylbenzene carboxylic acids |
| US3163671A (en) * | 1961-02-06 | 1964-12-29 | Standard Oil Co | Benzoic acid recovery by contacting gasiform and liquid effluents of liquid phase oxidation with saturated aqueous benzoic acid |
| NL280461A (en:Method) * | 1961-07-03 | |||
| BE621323A (en:Method) * | 1961-08-14 | |||
| US3200078A (en) * | 1961-12-26 | 1965-08-10 | Pure Oil Co | Detergent composition, non-corrosive to metal surfaces |
| US3223723A (en) * | 1962-02-21 | 1965-12-14 | Union Oil Co | Process for the preparation of cyanobenzoic acid |
| US3227752A (en) * | 1962-05-03 | 1966-01-04 | Union Oil Co | Oxidation of alkylaromatic hydrocarbons |
| DE1183067B (de) * | 1962-08-09 | 1964-12-10 | Bergwerksverband Gmbh | Verfahren zur Herstellung von Pyromellithsaeure |
| US3277154A (en) * | 1962-09-28 | 1966-10-04 | Sun Oil Co | Production of naphthalene dicarboxylic acid esters by the oxidation and subsequent esterification of dimethylnaphthalene |
| US3192196A (en) * | 1962-11-27 | 1965-06-29 | Wallace & Tiernan Inc | Oxidation of aliphatic hydrazo compounds to the corresponding aliphatic azo compounds |
| US3303054A (en) * | 1963-01-30 | 1967-02-07 | Monsanto Res Corp | Dry cell having an electrolyte containing a poly-nitro-substituted aromatic polycarboylic acid |
| US3296280A (en) * | 1963-07-18 | 1967-01-03 | Sun Oil Co | The oxidation of tertiary-butyl groups attached to an aromatic ring to form the corresponding aromatic carboxylic acid |
| US3518301A (en) * | 1966-10-06 | 1970-06-30 | Sun Oil Co | Alkyl aromatic oxidation process |
| DE2256663A1 (de) * | 1972-11-18 | 1974-05-22 | Basf Ag | Verfahren zur herstellung von chloranthrachinon-2,3-dicarbonsaeureanhydriden |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB156252A (en) * | 1919-07-15 | 1922-05-04 | Chemische Fabriken Worms Ag | Manufacture of oxidation products of organic compounds |
| US1576999A (en) * | 1921-07-16 | 1926-03-16 | Seydel Chemical Company | Method of oxidizing aromatic side-chain compounds |
| US2653165A (en) * | 1950-09-27 | 1953-09-22 | California Research Corp | Oxidation process |
| US2730524A (en) * | 1950-10-28 | 1956-01-10 | Tno | Process for the oxidation of cellulose |
| US2766281A (en) * | 1952-11-20 | 1956-10-09 | Monsanto Chemicals | Preparation of phthalic acids |
| US2749317A (en) * | 1952-12-10 | 1956-06-05 | California Research Corp | Oxidizing agent |
-
0
- NL NL92384D patent/NL92384C/xx active
- NL NL197527D patent/NL197527A/xx unknown
- BE BE538436D patent/BE538436A/xx unknown
- NL NL197526D patent/NL197526A/xx unknown
-
1954
- 1954-05-27 US US432911A patent/US2839575A/en not_active Expired - Lifetime
-
1955
- 1955-05-25 GB GB15120/55A patent/GB785072A/en not_active Expired
- 1955-05-25 FR FR1132434D patent/FR1132434A/fr not_active Expired
- 1955-05-25 FR FR1132433D patent/FR1132433A/fr not_active Expired
- 1955-05-25 GB GB15119/55A patent/GB792199A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694333A1 (en) * | 1994-03-22 | 1996-01-31 | Council of Scientific and Industrial Research | Catalyst for preparing carboxylic acids |
Also Published As
| Publication number | Publication date |
|---|---|
| BE538436A (en:Method) | |
| FR1132434A (fr) | 1957-03-11 |
| FR1132433A (fr) | 1957-03-11 |
| NL197527A (en:Method) | |
| GB792199A (en) | 1958-03-19 |
| NL197526A (en:Method) | |
| NL92384C (en:Method) | |
| US2839575A (en) | 1958-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB785072A (en) | Improvements in or relating to the preparation of aromatic carboxylic acids | |
| GB1140264A (en) | Oxidation catalyst containing vanadium and titanium | |
| GB1428831A (en) | Separation of aromatic carboxylic acids | |
| GB681455A (en) | Process for the production of aromatic dicarboxylic acids | |
| GB1065469A (en) | Oxidation of aromatic hydrocarbons | |
| GB833438A (en) | Oxidation of organic or carbonaceous substances | |
| US2853514A (en) | Process for the preparation of aromatic carboxylic acids | |
| US3139452A (en) | Oxidation of p-xylene to terephthalic acid | |
| GB680571A (en) | Improvements in or relating to liquid phase oxidation | |
| GB833175A (en) | Preparation of aromatic carboxylic acids | |
| US2802859A (en) | Oxidation of alkylated benzenes in the presence of aliphatic hydrocarbons | |
| EP0719754B1 (en) | Method for producing aromatic carboxylic acids | |
| US3584038A (en) | Oxidative treatment of mononuclear aromatic compounds | |
| EP0041784A1 (en) | Oxidation of substituted aromatic compounds to aromatic carboxylic acids | |
| GB1063451A (en) | Aromatic acids | |
| GB804612A (en) | Process for the oxidation of organic compounds | |
| GB807091A (en) | Process for the production of aromatic polycarboxylic acids | |
| US2673218A (en) | Process for preparing sulfonyl dibenzoic acids and derivatives thereof | |
| GB901271A (en) | Ester preparation | |
| GB1088183A (en) | Benzene polycarboxylic acids | |
| GB833440A (en) | Preparation of aromatic carboxylic acids | |
| US3649681A (en) | Method of preparing aromatic carboxylic acids | |
| GB1061700A (en) | The preparation of ?-caprolactone | |
| US3646123A (en) | Process for the continuous oxidation of methylbenzene hydrocarbons by nitrogen dioxide | |
| US3467698A (en) | Oxidation of alkyl aromatic compounds to aromatic carboxylic acids |