DK574181A - Fremgangsmaade til selektiv fremstilling af m-chlorphenoler - Google Patents
Fremgangsmaade til selektiv fremstilling af m-chlorphenolerInfo
- Publication number
- DK574181A DK574181A DK574181A DK574181A DK574181A DK 574181 A DK574181 A DK 574181A DK 574181 A DK574181 A DK 574181A DK 574181 A DK574181 A DK 574181A DK 574181 A DK574181 A DK 574181A
- Authority
- DK
- Denmark
- Prior art keywords
- chlorphenols
- procedure
- selective preparation
- selective
- preparation
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8027936A FR2496639A1 (fr) | 1980-12-24 | 1980-12-24 | Procede de preparation de phenols metachlores |
FR8027936 | 1980-12-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK574181A true DK574181A (da) | 1982-06-25 |
DK153466B DK153466B (da) | 1988-07-18 |
DK153466C DK153466C (da) | 1989-06-05 |
Family
ID=9249717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK574181A DK153466C (da) | 1980-12-24 | 1981-12-23 | Fremgangsmaade til selektiv fremstilling af 3-chlor- eller 3,5-dichlorphenoler ved hydrogenering af polychlorphenoler |
Country Status (6)
Country | Link |
---|---|
US (1) | US4410737A (da) |
EP (1) | EP0055196B1 (da) |
JP (1) | JPS6033415B2 (da) |
DE (1) | DE3163241D1 (da) |
DK (1) | DK153466C (da) |
FR (1) | FR2496639A1 (da) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2541992B3 (fr) * | 1983-03-02 | 1985-11-29 | Rhone Poulenc Spec Chim | Procede de preparation de phenols metachlores |
US5051030A (en) * | 1990-06-05 | 1991-09-24 | Roy F. Weston, Inc. | Chemical detoxification process for treatment of soils contaminated with halogenated organic compounds |
FR2668481B1 (fr) * | 1990-10-31 | 1994-06-10 | Potasse Produits Chimiques | Procede de debromation de derives dibromes du naphtalene. |
US5196617A (en) * | 1992-01-14 | 1993-03-23 | Engelhard Corporation | Method of hydrodehalogenating halogenated organic compounds in aqueous environmental sources |
US5177268A (en) * | 1992-04-06 | 1993-01-05 | Engelhard Corporation | Hydrodehalogenation of aromatic compounds |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2803669A (en) * | 1955-12-27 | 1957-08-20 | Dow Chemical Co | Method of reducing the halogen content of halophenols |
GB1419603A (en) * | 1972-12-05 | 1975-12-31 | Bayer Ag | Process for the producition of 3-halogen-and 3,5-dihalogen phenols |
US3912783A (en) * | 1972-12-05 | 1975-10-14 | Bayer Ag | Process and catalyst for preparing of 3-halogen-and 3,5-dihalogen-phenols |
DE2344926C3 (de) * | 1973-09-06 | 1981-05-07 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von 3-Halogen- bzw. 3,5-Dihalogen-phenolen |
DE2443152C3 (de) * | 1974-09-10 | 1981-05-21 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von durch Halogen meta-substituierten Phenolen |
GB1458633A (en) * | 1974-09-17 | 1976-12-15 | Ici Ltd | Process for dehalogenating aromatic compounds |
-
1980
- 1980-12-24 FR FR8027936A patent/FR2496639A1/fr active Granted
-
1981
- 1981-12-18 EP EP81420185A patent/EP0055196B1/fr not_active Expired
- 1981-12-18 JP JP56203769A patent/JPS6033415B2/ja not_active Expired
- 1981-12-18 DE DE8181420185T patent/DE3163241D1/de not_active Expired
- 1981-12-21 US US06/332,833 patent/US4410737A/en not_active Expired - Fee Related
- 1981-12-23 DK DK574181A patent/DK153466C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2496639A1 (fr) | 1982-06-25 |
DE3163241D1 (en) | 1984-05-24 |
JPS6033415B2 (ja) | 1985-08-02 |
FR2496639B1 (da) | 1984-01-13 |
DK153466B (da) | 1988-07-18 |
EP0055196B1 (fr) | 1984-04-18 |
DK153466C (da) | 1989-06-05 |
US4410737A (en) | 1983-10-18 |
EP0055196A1 (fr) | 1982-06-30 |
JPS57123132A (en) | 1982-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |