CH471764A - Verfahren zur Reinigung von Xylenol - Google Patents
Verfahren zur Reinigung von XylenolInfo
- Publication number
- CH471764A CH471764A CH67165A CH67165A CH471764A CH 471764 A CH471764 A CH 471764A CH 67165 A CH67165 A CH 67165A CH 67165 A CH67165 A CH 67165A CH 471764 A CH471764 A CH 471764A
- Authority
- CH
- Switzerland
- Prior art keywords
- xylenol
- purifying
- purifying xylenol
- Prior art date
Links
- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US04/340,101 US4001341A (en) | 1964-01-24 | 1964-01-24 | Extraction separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH471764A true CH471764A (de) | 1969-04-30 |
Family
ID=23331880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH67165A CH471764A (de) | 1964-01-24 | 1965-01-18 | Verfahren zur Reinigung von Xylenol |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4001341A (de) |
| CH (1) | CH471764A (de) |
| DE (1) | DE1290146B (de) |
| FR (1) | FR1420183A (de) |
| GB (1) | GB1070082A (de) |
| SE (1) | SE339691B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4275246A (en) * | 1979-07-02 | 1981-06-23 | Koppers Company, Inc. | Separation of phenols |
| US5001214A (en) * | 1989-06-23 | 1991-03-19 | General Electric Company | Low odor polyphenylene ether produced in the absence of odor causing amine, in presence of manganese chelate complex catalyst |
| US5885422A (en) * | 1997-02-26 | 1999-03-23 | Stone & Webster Engineering Corporation | Spent caustic (pre)treatment process |
| DE19954141A1 (de) | 1999-11-11 | 2001-06-13 | Phenolchemie Gmbh & Co Kg | Verfahren zur Verringerung des Salzgehaltes in Hochsieder aufweisenden Fraktionen, die bei der Herstellung von Phenol aus Cumol anfallen, durch Extraktion |
| CN107848840B (zh) * | 2015-06-03 | 2021-07-06 | 孟山都技术公司 | 二氯苯酚的分离 |
| BR112019011557B1 (pt) * | 2016-12-07 | 2022-10-18 | Monsanto Technology Llc | Processos de purificação, recuperação e conversão de sais de clorofenol e preparação e recuperação de produtos preparados dos mesmos |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE636903A (de) * | ||||
| US2581406A (en) * | 1949-05-04 | 1952-01-08 | Golumbic Calvin | Separation of individual phenols from a mixture of isomeric, homologous, or other closely related phenols |
| GB708925A (en) * | 1951-03-30 | 1954-05-12 | Vulcan Chemical Company Ltd | Separation of phenols by fractional distillation |
| GB717588A (en) * | 1951-10-01 | 1954-10-27 | Ici Ltd | Improvements in and relating to the production of 2,6-xylenol |
| US2789146A (en) * | 1954-08-10 | 1957-04-16 | Consolidation Coal Co | Separation of 2, 6-xylenols from cresols |
| US3517072A (en) * | 1963-10-28 | 1970-06-23 | Consolidation Coal Co | High purity 2,6-xylenol |
-
1964
- 1964-01-24 US US04/340,101 patent/US4001341A/en not_active Expired - Lifetime
-
1965
- 1965-01-07 GB GB777/65A patent/GB1070082A/en not_active Expired
- 1965-01-08 FR FR1332A patent/FR1420183A/fr not_active Expired
- 1965-01-18 CH CH67165A patent/CH471764A/de not_active IP Right Cessation
- 1965-01-22 SE SE00859/65A patent/SE339691B/xx unknown
- 1965-01-23 DE DEG42644A patent/DE1290146B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE339691B (de) | 1971-10-18 |
| US4001341A (en) | 1977-01-04 |
| GB1070082A (en) | 1967-05-24 |
| FR1420183A (fr) | 1965-12-03 |
| DE1290146B (de) | 1969-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |