GB958063A - Method of producing terephthalic acid - Google Patents
Method of producing terephthalic acidInfo
- Publication number
- GB958063A GB958063A GB1844961A GB1844961A GB958063A GB 958063 A GB958063 A GB 958063A GB 1844961 A GB1844961 A GB 1844961A GB 1844961 A GB1844961 A GB 1844961A GB 958063 A GB958063 A GB 958063A
- Authority
- GB
- United Kingdom
- Prior art keywords
- salt
- terephthalic acid
- mixture
- feed
- melting point
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 4
- 150000003839 salts Chemical class 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 3
- 239000011261 inert gas Substances 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000003504 terephthalic acids Chemical class 0.000 abstract 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052716 thallium Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/416—Henkel reaction and related reactions, i.e. rearrangement of carboxylate salt groups linked to six-membered aromatic rings, in the absence or in the presence of CO or CO2, (e.g. preparation of terepholates from benzoates); no additional classification for the subsequent hydrolysis of the salt groups has to be given
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C51/38—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by decarboxylation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM45383A DE1168889B (de) | 1960-05-21 | 1960-05-21 | Verfahren zur Herstellung von Terephthalsaeure |
DEM45867A DE1196637B (de) | 1960-05-21 | 1960-07-08 | Verfahren zur Herstellung von Terephthalsaeure |
DEM46733A DE1155770B (de) | 1960-10-04 | 1960-10-04 | Verfahren zur Herstellung von Alkalisalzen cyclischer Dicarbonsaeuren |
Publications (1)
Publication Number | Publication Date |
---|---|
GB958063A true GB958063A (en) | 1964-05-13 |
Family
ID=27211566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1844961A Expired GB958063A (en) | 1960-05-21 | 1961-05-19 | Method of producing terephthalic acid |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE1168889B (de) |
GB (1) | GB958063A (de) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965399C (de) * | 1952-12-06 | 1957-06-06 | Henkel & Cie Gmbh | Verfahren zur Herstellung von Terephthalsaeure bzw. deren Salzen bzw. deren Derivaten aus Kaliumbenzoat |
-
1960
- 1960-05-21 DE DEM45383A patent/DE1168889B/de active Pending
- 1960-07-08 DE DEM45867A patent/DE1196637B/de active Pending
-
1961
- 1961-05-19 GB GB1844961A patent/GB958063A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1168889B (de) | 1964-04-30 |
DE1196637B (de) | 1965-07-15 |
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