GB1319021A - Process for preparing methylterephthalic and methylisophthalic acids - Google Patents
Process for preparing methylterephthalic and methylisophthalic acidsInfo
- Publication number
- GB1319021A GB1319021A GB1254571A GB1254571A GB1319021A GB 1319021 A GB1319021 A GB 1319021A GB 1254571 A GB1254571 A GB 1254571A GB 1254571 A GB1254571 A GB 1254571A GB 1319021 A GB1319021 A GB 1319021A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cobalt
- compound
- manganese
- bromine
- weight
- 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
-
- 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
-
- 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
- B01J2531/70—Complexes comprising metals of Group VII (VIIB) as the central metal
- B01J2531/72—Manganese
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45037252A JPS4919274B1 (US07582779-20090901-C00044.png) | 1970-05-01 | 1970-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1319021A true GB1319021A (en) | 1973-05-31 |
Family
ID=12492435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1254571A Expired GB1319021A (en) | 1970-05-01 | 1971-04-30 | Process for preparing methylterephthalic and methylisophthalic acids |
Country Status (7)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5336066U (US07582779-20090901-C00044.png) * | 1976-09-02 | 1978-03-30 |
-
1970
- 1970-05-01 JP JP45037252A patent/JPS4919274B1/ja active Pending
-
1971
- 1971-04-29 NL NL7105904A patent/NL7105904A/xx unknown
- 1971-04-30 GB GB1254571A patent/GB1319021A/en not_active Expired
- 1971-04-30 CA CA111,895A patent/CA945997A/en not_active Expired
- 1971-04-30 BE BE766553A patent/BE766553A/xx unknown
- 1971-05-03 DE DE19712121781 patent/DE2121781A1/de active Pending
- 1971-05-03 FR FR7115821A patent/FR2091099A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2121781A1 (US07582779-20090901-C00044.png) | 1971-12-16 |
NL7105904A (US07582779-20090901-C00044.png) | 1971-11-03 |
BE766553A (fr) | 1971-09-16 |
JPS4919274B1 (US07582779-20090901-C00044.png) | 1974-05-16 |
CA945997A (en) | 1974-04-23 |
FR2091099A5 (US07582779-20090901-C00044.png) | 1972-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |