DE1270030C2 - Verfahren zur reinigung von terephthalsaeure - Google Patents
Verfahren zur reinigung von terephthalsaeureInfo
- Publication number
- DE1270030C2 DE1270030C2 DENDAT1270030D DE1270030DA DE1270030C2 DE 1270030 C2 DE1270030 C2 DE 1270030C2 DE NDAT1270030 D DENDAT1270030 D DE NDAT1270030D DE 1270030D A DE1270030D A DE 1270030DA DE 1270030 C2 DE1270030 C2 DE 1270030C2
- Authority
- DE
- Germany
- Prior art keywords
- terephthalic acid
- purifying terephthalic
- purifying
- acid
- terephthalic
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1662562 | 1962-04-27 | ||
| JP1662462 | 1962-04-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1270030B DE1270030B (de) | 1968-06-12 |
| DE1270030C2 true DE1270030C2 (de) | 1973-07-19 |
Family
ID=26353002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1270030D Expired DE1270030C2 (de) | 1962-04-27 | Verfahren zur reinigung von terephthalsaeure |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1270030C2 (de) |
| FR (1) | FR1355273A (de) |
| GB (1) | GB982629A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3529021A (en) * | 1966-03-17 | 1970-09-15 | Mobil Oil Corp | Terephthalic acid purification process |
| GB2051804B (en) * | 1979-07-02 | 1983-10-12 | Ici Ltd | Preparation of aromatic carboxylic acids |
| US5166420A (en) * | 1986-10-20 | 1992-11-24 | Mitsui Petrochemical Industries, Ltd. | Process for the production of high purity terephthalic acid |
| KR970000136B1 (ko) * | 1993-09-28 | 1997-01-04 | 브이.피. 유리예프 | 고순도 벤젠디카르복실산 이성질체의 제조방법 |
| IT1319169B1 (it) * | 2000-07-14 | 2003-09-26 | Eurotecnica Dev & Licensing Sr | Procedimento per la purificazione di acidi carbossilici aromatici. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1081445B (de) * | 1954-05-03 | 1960-05-12 | Mid Century Corp | Verfahren zur Herstellung von aromatischen Di- oder Polycarbon-saeuren |
| FR1137203A (fr) * | 1954-12-15 | 1957-05-27 | Ici Ltd | Purification de l'acide téréphtalique |
| BE543957A (de) * | 1954-12-29 | |||
| GB785051A (en) * | 1955-01-19 | 1957-10-23 | Ici Ltd | Purification of terephthalic acid |
| DE1112975B (de) * | 1958-01-14 | 1961-08-24 | Belge Produits Chimiques Sa | Verfahren und Vorrichtung zur Pyrolyse von Kohlenwasserstoffen |
| DE1106751B (de) * | 1959-10-13 | 1961-05-18 | Huels Chemische Werke Ag | Verfahren zur Herstellung von Terephthalsaeure |
-
0
- DE DENDAT1270030D patent/DE1270030C2/de not_active Expired
-
1963
- 1963-04-22 GB GB1583363A patent/GB982629A/en not_active Expired
- 1963-04-27 FR FR932973A patent/FR1355273A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1355273A (fr) | 1964-03-13 |
| GB982629A (en) | 1965-02-10 |
| DE1270030B (de) | 1968-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |