GB1576297A - Purification of adipic acid - Google Patents
Purification of adipic acid Download PDFInfo
- Publication number
- GB1576297A GB1576297A GB2293077A GB2293077A GB1576297A GB 1576297 A GB1576297 A GB 1576297A GB 2293077 A GB2293077 A GB 2293077A GB 2293077 A GB2293077 A GB 2293077A GB 1576297 A GB1576297 A GB 1576297A
- Authority
- GB
- United Kingdom
- Prior art keywords
- adipic acid
- treatment
- acid
- weight
- water
- 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 |
---|---|---|---|
DE19762624472 DE2624472C3 (de) | 1976-06-01 | 1976-06-01 | Verfahren zur Reinigung von Adipinsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1576297A true GB1576297A (en) | 1980-10-08 |
Family
ID=5979478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2293077A Expired GB1576297A (en) | 1976-06-01 | 1977-05-31 | Purification of adipic acid |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS52148016A (sr) |
BE (1) | BE855237A (sr) |
DE (1) | DE2624472C3 (sr) |
FR (1) | FR2353513A1 (sr) |
GB (1) | GB1576297A (sr) |
IT (1) | IT1076043B (sr) |
NL (1) | NL7705764A (sr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0630946A1 (de) * | 1993-06-21 | 1994-12-28 | Hoechst Aktiengesellschaft | Wasserlösliche faserreaktive Azofarbstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2749299B1 (fr) † | 1996-06-04 | 1998-07-17 | Rhone Poulenc Fibres | Procede de purification de l'acide adipique dans l'eau |
FR2775685B1 (fr) * | 1998-03-05 | 2000-12-29 | Rhone Poulenc Fibres | Procede de separation et de purification de l'acide adipique |
US6946572B2 (en) * | 2003-10-16 | 2005-09-20 | Invista North America S.A.R.L. | Crystallization of adipic acid from its solution in aqueous nitric acid |
JP4796778B2 (ja) * | 2004-07-12 | 2011-10-19 | ダイセル化学工業株式会社 | アジピン酸の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR880236A (fr) * | 1940-07-16 | 1943-03-17 | Ig Farbenindustrie Ag | Procédé pour épurer l'acide adipique et ses homologues |
DE868901C (de) * | 1942-06-02 | 1953-03-02 | Basf Ag | Verfahren zum Reinigen von Dicarbonsaeuren |
US3551300A (en) * | 1968-12-13 | 1970-12-29 | Witco Chemical Corp | By-water dissolution,steam distillation,activated carbon and cation exchange treatment and crystallization |
JPS49812B1 (sr) * | 1970-04-03 | 1974-01-10 | ||
JPS5741456B2 (sr) * | 1973-07-13 | 1982-09-03 |
-
1976
- 1976-06-01 DE DE19762624472 patent/DE2624472C3/de not_active Expired
-
1977
- 1977-04-29 IT IT2303077A patent/IT1076043B/it active
- 1977-05-25 NL NL7705764A patent/NL7705764A/xx not_active Application Discontinuation
- 1977-05-31 GB GB2293077A patent/GB1576297A/en not_active Expired
- 1977-05-31 FR FR7716489A patent/FR2353513A1/fr active Granted
- 1977-05-31 BE BE178072A patent/BE855237A/xx not_active IP Right Cessation
- 1977-06-01 JP JP6342177A patent/JPS52148016A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0630946A1 (de) * | 1993-06-21 | 1994-12-28 | Hoechst Aktiengesellschaft | Wasserlösliche faserreaktive Azofarbstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung |
Also Published As
Publication number | Publication date |
---|---|
DE2624472B2 (de) | 1979-05-23 |
DE2624472A1 (de) | 1977-12-15 |
DE2624472C3 (de) | 1980-01-17 |
IT1076043B (it) | 1985-04-22 |
JPS52148016A (en) | 1977-12-08 |
BE855237A (fr) | 1977-11-30 |
FR2353513A1 (fr) | 1977-12-30 |
FR2353513B1 (sr) | 1983-09-23 |
NL7705764A (nl) | 1977-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |