GB1427783A - Recovery of terephthalic acid dimethylester - Google Patents
Recovery of terephthalic acid dimethylesterInfo
- Publication number
- GB1427783A GB1427783A GB4276673A GB4276673A GB1427783A GB 1427783 A GB1427783 A GB 1427783A GB 4276673 A GB4276673 A GB 4276673A GB 4276673 A GB4276673 A GB 4276673A GB 1427783 A GB1427783 A GB 1427783A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terephthalic acid
- dimethyl terephthalate
- residue
- recovery
- acid dimethylester
- 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
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title abstract 10
- 238000011084 recovery Methods 0.000 title 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 6
- 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 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 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
- C07C51/16—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (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 |
|---|---|---|---|
| DE19722244662 DE2244662C3 (de) | 1972-09-12 | Verfahren zur Gewinnung von Terephthalsäuredimethylester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1427783A true GB1427783A (en) | 1976-03-10 |
Family
ID=5856087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4276673A Expired GB1427783A (en) | 1972-09-12 | 1973-09-11 | Recovery of terephthalic acid dimethylester |
Country Status (18)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2923681C2 (de) * | 1979-06-12 | 1981-11-05 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus dem Wittem-DMT-Prozeß |
| DE3045332C2 (de) * | 1980-12-02 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß |
| DE3430555A1 (de) * | 1984-08-20 | 1986-02-27 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von dimethylisophthalat und dimethylorthophthalat aus ihrem gemisch mit dimethylterephthalat |
| US4760165A (en) * | 1985-11-13 | 1988-07-26 | Teijin Petrochemical Industries, Ltd. | Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate |
| US4886901A (en) * | 1988-11-21 | 1989-12-12 | Amoco Corporation | Method for purifying a crude dimethyl naphthalene dicarboxylate |
| DE3904586A1 (de) * | 1989-02-16 | 1990-08-23 | Huels Chemische Werke Ag | Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsaeure |
| IE904329A1 (en) * | 1989-12-02 | 1991-06-05 | Hoechst Ag | Process for the purification of dimethyl terephthalate |
| US5578173A (en) * | 1995-04-03 | 1996-11-26 | Eastman Kodak Company | Removal of dimethylterephthalate from a methanolysis vapor stream |
| DE19530970A1 (de) * | 1995-08-23 | 1997-02-27 | Huels Chemische Werke Ag | Verfahren zur Aufarbeitung von Rückständen aus der Rohester-Destillation bei der Herstellung von Dimethylterephthalat (DMT) |
| WO2010148049A2 (en) * | 2009-06-16 | 2010-12-23 | Draths Corporation | Preparation of trans, trans muconic acid and trans, trans muconates |
| MX2011014007A (es) | 2009-06-16 | 2012-06-01 | Amyris Inc | 1, 4-carboxilatos de ciclohexeno. |
| US8415496B2 (en) | 2009-06-16 | 2013-04-09 | Amyris, Inc. | Biobased polyesters |
| JP2013516196A (ja) | 2010-01-08 | 2013-05-13 | アミリス， インコーポレイテッド | ムコン酸およびムコン酸塩の異性体を生成するための方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2773090A (en) * | 1953-03-10 | 1956-12-04 | Du Pont | Process for preparing pure dimethylterephthalate from the carbonylation of aromatic halides |
| DE1139827B (de) * | 1961-04-15 | 1962-11-22 | Chemische Werke Witten Gesell schaft mit beschrankter Haftung, Witten | Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen. |
| DE1142858B (de) * | 1961-07-19 | 1963-01-31 | Witten Gmbh Chem Werke | Verfahren zur Gewinnung von Diphenylpolycarbonsaeuremethylestern |
-
1973
- 1973-07-10 DD DD172189A patent/DD104973A5/xx unknown
- 1973-08-01 IT IT51779/73A patent/IT990110B/it active
- 1973-08-03 IN IN1798/CAL/73A patent/IN140025B/en unknown
- 1973-08-09 ZA ZA735425A patent/ZA735425B/xx unknown
- 1973-08-11 ES ES417790A patent/ES417790A1/es not_active Expired
- 1973-09-06 AR AR249952A patent/AR198532A1/es active
- 1973-09-07 CH CH1289873A patent/CH580559A5/xx not_active IP Right Cessation
- 1973-09-07 RO RO7300076017A patent/RO63001A/ro unknown
- 1973-09-10 AT AT780973A patent/AT326112B/de not_active IP Right Cessation
- 1973-09-10 PL PL1973165130A patent/PL91566B1/pl unknown
- 1973-09-10 BR BR6983/73A patent/BR7306983D0/pt unknown
- 1973-09-11 FR FR7332677A patent/FR2198928B1/fr not_active Expired
- 1973-09-11 CA CA180,722A patent/CA1022180A/en not_active Expired
- 1973-09-11 GB GB4276673A patent/GB1427783A/en not_active Expired
- 1973-09-12 BE BE135579A patent/BE804767A/xx unknown
- 1973-09-12 JP JP48102988A patent/JPS4966644A/ja active Pending
- 1973-09-12 NL NLAANVRAGE7312572,A patent/NL173052C/xx not_active IP Right Cessation
- 1973-09-12 US US05/396,468 patent/US4126755A/en not_active Expired - Lifetime
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |