FR2318136A1 - Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol - Google Patents
Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresolInfo
- Publication number
- FR2318136A1 FR2318136A1 FR7618958A FR7618958A FR2318136A1 FR 2318136 A1 FR2318136 A1 FR 2318136A1 FR 7618958 A FR7618958 A FR 7618958A FR 7618958 A FR7618958 A FR 7618958A FR 2318136 A1 FR2318136 A1 FR 2318136A1
- Authority
- FR
- France
- Prior art keywords
- orthocresol
- dimethyl phenol
- technically pure
- synthesis residues
- obtaining technically
- 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.)
- Withdrawn
Links
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
- C07C37/685—Processes comprising at least two steps in series
-
- 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
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752531774 DE2531774C3 (de) | 1975-07-16 | 1975-07-16 | Verfahren zur Gewinnung von technisch reinem 2,6-Dimethylphenol aus Rückständen der o-Kresolsynthese |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2318136A1 true FR2318136A1 (fr) | 1977-02-11 |
Family
ID=5951659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7618958A Withdrawn FR2318136A1 (fr) | 1975-07-16 | 1976-06-22 | Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5212136A (fr) |
BE (1) | BE843365A (fr) |
DE (1) | DE2531774C3 (fr) |
FR (1) | FR2318136A1 (fr) |
GB (1) | GB1531635A (fr) |
NL (1) | NL7606549A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3106306A1 (de) * | 1980-02-29 | 1981-12-10 | Robert 61300 L'Aigle Cassou | Vorrichtung zum uebertragen von elementen der menschlichen und tierieschen fortpflanzung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58110169A (ja) * | 1981-12-23 | 1983-06-30 | Asahi Malleable Iron Co Ltd | 注湯方法 |
JPH01249737A (ja) * | 1988-03-30 | 1989-10-05 | Asahi Chem Ind Co Ltd | オルソクレゾールおよび/または2,6−キシレノールの回収方法 |
KR20010073114A (ko) † | 1998-09-03 | 2001-07-31 | 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 | 용융 결정화 방법에 의한 알킬화 페놀의 정제방법 |
US20040211657A1 (en) * | 2003-04-11 | 2004-10-28 | Ingelbrecht Hugo Gerard Eduard | Method of purifying 2,6-xylenol and method of producing poly(arylene ether) therefrom |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB662783A (en) * | 1948-03-02 | 1951-12-12 | Bataafsche Petroleum | Purification of alkyl phenols |
FR1396197A (fr) * | 1962-06-04 | 1965-04-16 | Onderzoekings Inst Res | Procédé pour l'épuration de diméthyl-2, 6 phénol |
US3337641A (en) * | 1962-11-02 | 1967-08-22 | Onderzoekings Inst Res | Process for the purification of impure 2, 6-dimethylphenol containing cresols as impurities |
US3392090A (en) * | 1966-12-09 | 1968-07-09 | Koppers Co Inc | Process for separation of alkyl phenols by azeotropic distillation with an alkane diol |
FR1583244A (fr) * | 1967-06-27 | 1969-10-24 |
-
1975
- 1975-07-16 DE DE19752531774 patent/DE2531774C3/de not_active Expired
-
1976
- 1976-06-15 JP JP7032076A patent/JPS5212136A/ja active Pending
- 1976-06-17 NL NL7606549A patent/NL7606549A/xx not_active Application Discontinuation
- 1976-06-22 FR FR7618958A patent/FR2318136A1/fr not_active Withdrawn
- 1976-06-24 BE BE168276A patent/BE843365A/fr unknown
- 1976-07-02 GB GB2758476A patent/GB1531635A/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB662783A (en) * | 1948-03-02 | 1951-12-12 | Bataafsche Petroleum | Purification of alkyl phenols |
FR1396197A (fr) * | 1962-06-04 | 1965-04-16 | Onderzoekings Inst Res | Procédé pour l'épuration de diméthyl-2, 6 phénol |
US3337641A (en) * | 1962-11-02 | 1967-08-22 | Onderzoekings Inst Res | Process for the purification of impure 2, 6-dimethylphenol containing cresols as impurities |
US3392090A (en) * | 1966-12-09 | 1968-07-09 | Koppers Co Inc | Process for separation of alkyl phenols by azeotropic distillation with an alkane diol |
FR1583244A (fr) * | 1967-06-27 | 1969-10-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3106306A1 (de) * | 1980-02-29 | 1981-12-10 | Robert 61300 L'Aigle Cassou | Vorrichtung zum uebertragen von elementen der menschlichen und tierieschen fortpflanzung |
Also Published As
Publication number | Publication date |
---|---|
DE2531774B2 (de) | 1977-08-11 |
DE2531774A1 (de) | 1977-01-20 |
JPS5212136A (en) | 1977-01-29 |
GB1531635A (en) | 1978-11-08 |
BE843365A (fr) | 1976-10-18 |
NL7606549A (nl) | 1977-01-18 |
DE2531774C3 (de) | 1978-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |