NL7901250A - Werkwijze om zeer zuiver tereftaalzuur te bereiden. - Google Patents
Werkwijze om zeer zuiver tereftaalzuur te bereiden.Info
- Publication number
- NL7901250A NL7901250A NL7901250A NL7901250A NL7901250A NL 7901250 A NL7901250 A NL 7901250A NL 7901250 A NL7901250 A NL 7901250A NL 7901250 A NL7901250 A NL 7901250A NL 7901250 A NL7901250 A NL 7901250A
- Authority
- NL
- Netherlands
- Prior art keywords
- pure
- preparing
- terephalic acid
- terephalic
- acid
- 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
- C07C51/16—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 |
---|---|---|---|
JP1764978A JPS54125631A (en) | 1978-02-20 | 1978-02-20 | Preparation of high-purity terephthalic acid |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7901250A true NL7901250A (nl) | 1979-08-22 |
NL180581B NL180581B (nl) | 1986-10-16 |
NL180581C NL180581C (nl) | 1987-03-16 |
Family
ID=11949693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7901250,A NL180581C (nl) | 1978-02-20 | 1979-02-16 | Werkwijze om zeer zuiver tereftaalzuur te bereiden. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4297507A (nl) |
JP (1) | JPS54125631A (nl) |
DE (1) | DE2905672C3 (nl) |
FR (1) | FR2417491A1 (nl) |
GB (1) | GB2014577B (nl) |
IT (1) | IT1119906B (nl) |
NL (1) | NL180581C (nl) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6056696B2 (ja) * | 1982-01-18 | 1985-12-11 | 三菱瓦斯化学株式会社 | 芳香族ポリカルボン酸を製造する方法 |
US5929274A (en) * | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
US6054610A (en) * | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
US6013835A (en) * | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
EP1112244A1 (en) | 1998-09-10 | 2001-07-04 | ExxonMobil Chemical Patents Inc. | Process for making aromatic aldehydes using ionic liquids |
WO2005095310A2 (en) * | 2004-03-23 | 2005-10-13 | Shell Internationale Research Maatschappij B.V. | The utilization of zirconium and zirconium based alloys for the containment of halogen containing environments used in the production of olefins, alcohols, ethers, ethoxylates glycols, and olefin oxides from alkanes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB743933A (en) * | 1953-06-23 | 1956-01-25 | Hercules Powder Co Ltd | Improvements in or relating to synthesis of carboxylic acids |
BE550529A (nl) * | 1955-08-24 | |||
BE562102A (nl) * | 1956-11-05 | |||
GB832995A (en) * | 1956-11-05 | 1960-04-21 | Ici Ltd | Improvements in and relating to a process for the oxidation of organic compounds |
FR1521286A (fr) * | 1966-05-02 | 1968-04-12 | Ici Ltd | Protection de certains métaux contre la détérioration lors de leur utilisation dans une installation de traitement de matières chimiques |
US3678106A (en) * | 1970-04-02 | 1972-07-18 | Fmc Corp | OXIDATION OF p-XYLENE AND p-TOLUIC ACID TO TEREPHTHALIC ACID IN AQUEOUS MEDIUM |
US3708531A (en) * | 1971-06-02 | 1973-01-02 | Petro Tex Chem Corp | Promotion of the oxidation of mononuclear aromatic compounds |
-
1978
- 1978-02-20 JP JP1764978A patent/JPS54125631A/ja active Granted
-
1979
- 1979-02-14 DE DE2905672A patent/DE2905672C3/de not_active Expired
- 1979-02-16 NL NLAANVRAGE7901250,A patent/NL180581C/nl not_active IP Right Cessation
- 1979-02-16 GB GB7905548A patent/GB2014577B/en not_active Expired
- 1979-02-19 IT IT67361/79A patent/IT1119906B/it active
- 1979-02-19 FR FR7904163A patent/FR2417491A1/fr active Granted
-
1980
- 1980-03-24 US US06/133,106 patent/US4297507A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2014577B (en) | 1982-11-17 |
DE2905672C3 (de) | 1981-07-09 |
JPS54125631A (en) | 1979-09-29 |
IT1119906B (it) | 1986-03-19 |
GB2014577A (en) | 1979-08-30 |
NL180581C (nl) | 1987-03-16 |
US4297507A (en) | 1981-10-27 |
DE2905672B2 (de) | 1980-05-29 |
NL180581B (nl) | 1986-10-16 |
FR2417491A1 (fr) | 1979-09-14 |
DE2905672A1 (de) | 1979-08-23 |
IT7967361A0 (it) | 1979-02-19 |
FR2417491B1 (nl) | 1983-10-21 |
JPS5623414B2 (nl) | 1981-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19970901 |