GB1575282A - Process for separating 11-cyanoundecanoic acid cyclohexanone and -caprolactam - Google Patents
Process for separating 11-cyanoundecanoic acid cyclohexanone and -caprolactam Download PDFInfo
- Publication number
- GB1575282A GB1575282A GB16414/78A GB1641478A GB1575282A GB 1575282 A GB1575282 A GB 1575282A GB 16414/78 A GB16414/78 A GB 16414/78A GB 1641478 A GB1641478 A GB 1641478A GB 1575282 A GB1575282 A GB 1575282A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- cyanoundecanoic
- aqueous
- pyrolysis product
- cyanoundecanoic 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
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5067177A JPS53135929A (en) | 1977-05-04 | 1977-05-04 | Separation of 11-cyanoundecanoic acid, cyclohexanone and epsilon-caprolactam |
| JP5067077A JPS53135928A (en) | 1977-05-04 | 1977-05-04 | Purification of 11-cyanoundecanoic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1575282A true GB1575282A (en) | 1980-09-17 |
Family
ID=26391124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16414/78A Expired GB1575282A (en) | 1977-05-04 | 1978-04-26 | Process for separating 11-cyanoundecanoic acid cyclohexanone and -caprolactam |
Country Status (7)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2997949A1 (fr) | 2012-11-09 | 2014-05-16 | Arkema France | Extraction selective d’un acide omega-fonctionnalise apres coupure oxydante d’un acide gras insature et derives |
| CN109678754B (zh) * | 2017-10-19 | 2021-09-07 | 万华化学集团股份有限公司 | 一种11-氰基十一酸的制备方法 |
| CN117362196A (zh) * | 2023-10-09 | 2024-01-09 | 江苏扬农化工集团有限公司 | 11-氰基十一酸的提纯方法 |
| CN117466774A (zh) * | 2023-11-15 | 2024-01-30 | 江苏扬农化工集团有限公司 | 一种分离提纯过氧化双环己胺热解反应液的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3217027A (en) * | 1961-11-02 | 1965-11-09 | Dow Chemical Co | Purification of cyanoaliphatic acids |
| BE757806A (fr) * | 1969-10-24 | 1971-04-21 | Bp Chem Int Ltd | Production de derives purifies de cyanoacides |
| BE757306A (fr) * | 1969-10-25 | 1971-03-16 | Joseph Voegele Ag | Procede et dispositif pour la mise en place de planches de jointure dans les joints des revetements de beton de chaussee |
| GB1289680A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-04-15 | 1972-09-20 | ||
| FR2220570B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-08 | 1976-05-21 | Solvay | |
| FR2279724A1 (fr) * | 1974-01-31 | 1976-02-20 | Ube Industries | Procede pour isoler d'une matiere brute un sel de l'acide 11-cyano-undecanoique |
| JPS5649907B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-02-01 | 1981-11-25 | ||
| JPS5147691B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-02-08 | 1976-12-16 |
-
1978
- 1978-04-26 GB GB16414/78A patent/GB1575282A/en not_active Expired
- 1978-04-27 CA CA302,149A patent/CA1107731A/en not_active Expired
- 1978-04-28 US US05/901,089 patent/US4165328A/en not_active Expired - Lifetime
- 1978-05-02 DE DE2819228A patent/DE2819228C3/de not_active Expired
- 1978-05-03 IT IT22999/78A patent/IT1096275B/it active
- 1978-05-03 FR FR7813203A patent/FR2389593B1/fr not_active Expired
- 1978-05-03 NL NL7804756A patent/NL7804756A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2389593A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-12-01 |
| US4165328A (en) | 1979-08-21 |
| DE2819228A1 (de) | 1978-11-09 |
| IT7822999A0 (it) | 1978-05-03 |
| DE2819228C3 (de) | 1982-04-22 |
| CA1107731A (en) | 1981-08-25 |
| IT1096275B (it) | 1985-08-26 |
| FR2389593B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-04-11 |
| DE2819228B2 (de) | 1981-06-19 |
| NL7804756A (nl) | 1978-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930426 |