IT978772B - Procedimento per l isolamento di arilidrossicomposti - Google Patents
Procedimento per l isolamento di arilidrossicompostiInfo
- Publication number
- IT978772B IT978772B IT19987/73A IT1998773A IT978772B IT 978772 B IT978772 B IT 978772B IT 19987/73 A IT19987/73 A IT 19987/73A IT 1998773 A IT1998773 A IT 1998773A IT 978772 B IT978772 B IT 978772B
- Authority
- IT
- Italy
- Prior art keywords
- hydroxycomposts
- aryl
- isolation
- procedure
- aryl hydroxycomposts
- 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
- 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 |
|---|---|---|---|
| DE2205227A DE2205227A1 (de) | 1972-02-04 | 1972-02-04 | Verfahren zur isolierung von arylhydroxy-verbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT978772B true IT978772B (it) | 1974-09-20 |
Family
ID=5834993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19987/73A IT978772B (it) | 1972-02-04 | 1973-02-02 | Procedimento per l isolamento di arilidrossicomposti |
Country Status (12)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517304A (en) * | 1978-07-18 | 1980-02-06 | Hodogaya Chem Co Ltd | Preparation of 4, 4'-dihydroxybiphenyl |
| US4400553A (en) * | 1981-06-24 | 1983-08-23 | General Electric Company | Recovery of BPA and phenol from aqueous effluent streams |
| US4374283A (en) * | 1981-06-25 | 1983-02-15 | General Electric Company | Purification of aqueous effluent streams containing BPA and phenol |
| US4547596A (en) * | 1983-03-30 | 1985-10-15 | General Electric Company | Separation and recovery of alkylated phenols |
| US4705902A (en) * | 1985-10-03 | 1987-11-10 | Rohm And Haas Company | DDTR-free 1,1-bis(chlorophenyl)-2,2,2-trichloroethanol |
| GB0016336D0 (en) * | 2000-07-03 | 2000-08-23 | Zeneca Ltd | Chemical process |
| GB0016338D0 (en) * | 2000-07-03 | 2000-08-23 | Zeneca Ltd | Chemical process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1314138A (en) * | 1919-08-26 | Nathan goodman and benjamin grubman | ||
| US1956570A (en) * | 1931-08-15 | 1934-05-01 | Rhone Poulenc Sa | Process of recovering resorcinol |
| US1991329A (en) * | 1932-05-02 | 1935-02-12 | Dow Chemical Co | Alkali-metal trichlorophenolates |
| US2137587A (en) * | 1937-05-13 | 1938-11-22 | Dow Chemical Co | Separation of phenols |
| US2334488A (en) * | 1941-06-18 | 1943-11-16 | Allied Chem & Dye Corp | Manufacture of aromatic hydroxy compounds |
-
0
- BE BE794992D patent/BE794992A/xx unknown
-
1972
- 1972-02-04 DE DE2205227A patent/DE2205227A1/de active Pending
-
1973
- 1973-01-30 NL NL7301297A patent/NL7301297A/xx not_active Application Discontinuation
- 1973-01-30 US US328023A patent/US3894095A/en not_active Expired - Lifetime
- 1973-01-30 CA CA162,939A patent/CA1004690A/en not_active Expired
- 1973-02-01 CH CH142973A patent/CH589019A5/xx not_active IP Right Cessation
- 1973-02-02 JP JP48013003A patent/JPS4885544A/ja active Pending
- 1973-02-02 DD DD168637A patent/DD106160A5/xx unknown
- 1973-02-02 IT IT19987/73A patent/IT978772B/it active
- 1973-02-02 SU SU1881112A patent/SU524512A3/ru active
- 1973-02-05 FR FR7303922A patent/FR2170260B1/fr not_active Expired
- 1973-02-05 GB GB560173A patent/GB1425226A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2170260B1 (US20030204162A1-20031030-M00001.png) | 1976-11-05 |
| JPS4885544A (US20030204162A1-20031030-M00001.png) | 1973-11-13 |
| CA1004690A (en) | 1977-02-01 |
| SU524512A3 (ru) | 1976-08-05 |
| DE2205227A1 (de) | 1973-08-16 |
| GB1425226A (en) | 1976-02-18 |
| BE794992A (fr) | 1973-08-06 |
| CH589019A5 (US20030204162A1-20031030-M00001.png) | 1977-06-30 |
| FR2170260A1 (US20030204162A1-20031030-M00001.png) | 1973-09-14 |
| US3894095A (en) | 1975-07-08 |
| NL7301297A (US20030204162A1-20031030-M00001.png) | 1973-08-07 |
| DD106160A5 (US20030204162A1-20031030-M00001.png) | 1974-06-05 |
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