GB1152576A - Purification of Aromatic Polycarboxylic Acids. - Google Patents
Purification of Aromatic Polycarboxylic Acids.Info
- Publication number
- GB1152576A GB1152576A GB2165566A GB2165566A GB1152576A GB 1152576 A GB1152576 A GB 1152576A GB 2165566 A GB2165566 A GB 2165566A GB 2165566 A GB2165566 A GB 2165566A GB 1152576 A GB1152576 A GB 1152576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polycarboxylic acids
- aromatic polycarboxylic
- purification
- acids
- acid
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45621865A | 1965-05-17 | 1965-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1152576A true GB1152576A (en) | 1969-05-21 |
Family
ID=23811928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2165566A Expired GB1152576A (en) | 1965-05-17 | 1966-05-16 | Purification of Aromatic Polycarboxylic Acids. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5132618B1 (ja) |
AT (1) | AT290506B (ja) |
BE (1) | BE681179A (ja) |
CH (1) | CH457396A (ja) |
DE (1) | DE1593541A1 (ja) |
ES (1) | ES326852A1 (ja) |
GB (1) | GB1152576A (ja) |
NL (1) | NL6606727A (ja) |
SE (1) | SE344584B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0083224A1 (en) * | 1981-12-28 | 1983-07-06 | Mitsubishi Gas Chemical Company, Inc. | Process for producing aromatic polycarboxylic acid with high purity |
EP0445446A1 (en) * | 1988-10-13 | 1991-09-11 | Amoco Corporation | Purification of crude isophthalic acid |
US5189209A (en) * | 1990-05-17 | 1993-02-23 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure isophthalic acid |
EP0764627A1 (en) * | 1995-09-22 | 1997-03-26 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
CN103288632A (zh) * | 2013-06-19 | 2013-09-11 | 中国石油化工股份有限公司 | 一种粗均苯三甲酸精制的方法 |
-
1966
- 1966-05-04 JP JP2797466A patent/JPS5132618B1/ja active Pending
- 1966-05-16 GB GB2165566A patent/GB1152576A/en not_active Expired
- 1966-05-17 NL NL6606727A patent/NL6606727A/xx unknown
- 1966-05-17 AT AT466166A patent/AT290506B/de not_active IP Right Cessation
- 1966-05-17 CH CH712966A patent/CH457396A/fr unknown
- 1966-05-17 SE SE685566A patent/SE344584B/xx unknown
- 1966-05-17 BE BE681179D patent/BE681179A/xx not_active IP Right Cessation
- 1966-05-17 ES ES0326852A patent/ES326852A1/es not_active Expired
- 1966-05-17 DE DE19661593541 patent/DE1593541A1/de active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0083224A1 (en) * | 1981-12-28 | 1983-07-06 | Mitsubishi Gas Chemical Company, Inc. | Process for producing aromatic polycarboxylic acid with high purity |
EP0445446A1 (en) * | 1988-10-13 | 1991-09-11 | Amoco Corporation | Purification of crude isophthalic acid |
US5189209A (en) * | 1990-05-17 | 1993-02-23 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure isophthalic acid |
EP0764627A1 (en) * | 1995-09-22 | 1997-03-26 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
US5705682A (en) * | 1995-09-22 | 1998-01-06 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
CN103288632A (zh) * | 2013-06-19 | 2013-09-11 | 中国石油化工股份有限公司 | 一种粗均苯三甲酸精制的方法 |
Also Published As
Publication number | Publication date |
---|---|
ES326852A1 (es) | 1967-03-16 |
CH457396A (fr) | 1968-06-15 |
AT290506B (de) | 1971-06-11 |
NL6606727A (ja) | 1966-11-18 |
JPS5132618B1 (ja) | 1976-09-14 |
BE681179A (ja) | 1966-10-31 |
DE1593541A1 (de) | 1970-05-21 |
SE344584B (ja) | 1972-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
694A | Case decided by the comptroller (rule 94(3)/1968) | ||
PS | Patent sealed | ||
PE | Patent expired |