TW326039B - A new process for the preparation of terephthalic acid and its isomers - Google Patents
A new process for the preparation of terephthalic acid and its isomersInfo
- Publication number
- TW326039B TW326039B TW085100595A TW85100595A TW326039B TW 326039 B TW326039 B TW 326039B TW 085100595 A TW085100595 A TW 085100595A TW 85100595 A TW85100595 A TW 85100595A TW 326039 B TW326039 B TW 326039B
- Authority
- TW
- Taiwan
- Prior art keywords
- terephthalic acid
- preparation
- isomers
- new process
- crystallization
- Prior art date
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
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19502122 | 1995-01-24 | ||
DE19536814A DE19536814B4 (de) | 1995-01-24 | 1995-10-02 | Ein neues Verfahren zur Herstellung von Terephthalsäure und ihrer Isomeren |
Publications (1)
Publication Number | Publication Date |
---|---|
TW326039B true TW326039B (en) | 1998-02-01 |
Family
ID=7752213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW085100595A TW326039B (en) | 1995-01-24 | 1996-01-19 | A new process for the preparation of terephthalic acid and its isomers |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR960029305A (zh) |
DE (1) | DE19536814B4 (zh) |
MY (1) | MY133698A (zh) |
TW (1) | TW326039B (zh) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1130695A (en) * | 1966-04-18 | 1968-10-16 | Hercules Inc | Production of terephthalic acid by hydrolysis of an alkyl terephthalate |
DE3044617C2 (de) * | 1980-11-27 | 1985-09-26 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt |
-
1995
- 1995-10-02 DE DE19536814A patent/DE19536814B4/de not_active Expired - Fee Related
-
1996
- 1996-01-18 MY MYPI96000197A patent/MY133698A/en unknown
- 1996-01-19 TW TW085100595A patent/TW326039B/zh active
- 1996-01-23 KR KR1019960001335A patent/KR960029305A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE19536814B4 (de) | 2008-03-27 |
KR960029305A (ko) | 1996-08-17 |
DE19536814A1 (de) | 1996-07-25 |
MY133698A (en) | 2007-11-30 |
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