CA970784A - Purification process - Google Patents
Purification processInfo
- Publication number
- CA970784A CA970784A CA101,556A CA101556A CA970784A CA 970784 A CA970784 A CA 970784A CA 101556 A CA101556 A CA 101556A CA 970784 A CA970784 A CA 970784A
- Authority
- CA
- Canada
- Prior art keywords
- purification process
- purification
- 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
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4021/70A GB1291642A (en) | 1970-01-28 | 1970-01-28 | PURIFICATION OF p-AMINOPHENOL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA970784A true CA970784A (en) | 1975-07-08 |
Family
ID=9769246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA101,556A Expired CA970784A (en) | 1970-01-28 | 1970-12-29 | Purification process |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3845129A (de) |
| JP (1) | JPS5921860B1 (de) |
| BE (1) | BE761901A (de) |
| CA (1) | CA970784A (de) |
| CH (1) | CH539605A (de) |
| DE (1) | DE2103548A1 (de) |
| FR (1) | FR2076983A5 (de) |
| GB (1) | GB1291642A (de) |
| NL (1) | NL7101088A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876703A (en) * | 1973-06-05 | 1975-04-08 | Cpc International Inc | Purification of p-aminophenol |
| US4139562A (en) * | 1978-03-13 | 1979-02-13 | Mitsui Toatsu Chemicals, Inc. | Process for purifying crude p-aminophenol |
| US4440954A (en) * | 1980-06-05 | 1984-04-03 | Mallinckrodt, Inc. | Process for the purification of p-aminophenol |
| US4307249A (en) * | 1981-01-07 | 1981-12-22 | Mallinckrodt, Inc. | Process for the selective preparation of p-aminophenol from nitrobenzene |
| US4670589A (en) * | 1982-11-04 | 1987-06-02 | Monsanto Company | Preparation of N-acetyl-p-aminophenol |
| US4565890A (en) * | 1983-10-27 | 1986-01-21 | Mallinckrodt, Inc. | Process for the preparation of N-acetyl-P-aminophenol |
| US5155269A (en) * | 1984-01-30 | 1992-10-13 | Mallinckrodt | Purification of p-aminophenol compositions and direct conversion to N-acetyl-p-aminophenol |
| IN161689B (de) * | 1984-06-18 | 1988-01-16 | Sumitomo Chemical Co | |
| US4870209A (en) * | 1987-04-29 | 1989-09-26 | Noramco, Inc. | Process for purifying crude 4-aminophenol |
| US4990671A (en) * | 1988-04-18 | 1991-02-05 | Mallinckrodt, Inc. | Method for making aminophenols and their amide derivatives |
| ES2407804B1 (es) * | 2013-04-10 | 2013-12-03 | Pfisterer Upresa, S.A. | Mensula para catenaria |
| CN115521014A (zh) * | 2022-10-28 | 2022-12-27 | 辽宁世星药化有限公司 | 硝基苯催化加氢生产对氨基苯酚产生废水的处理方法 |
-
1970
- 1970-01-28 GB GB4021/70A patent/GB1291642A/en not_active Expired
- 1970-12-29 US US00102512A patent/US3845129A/en not_active Expired - Lifetime
- 1970-12-29 CA CA101,556A patent/CA970784A/en not_active Expired
-
1971
- 1971-01-21 JP JP711955A patent/JPS5921860B1/ja active Pending
- 1971-01-22 BE BE761901A patent/BE761901A/xx unknown
- 1971-01-26 DE DE19712103548 patent/DE2103548A1/de active Pending
- 1971-01-26 FR FR7102465A patent/FR2076983A5/fr not_active Expired
- 1971-01-27 NL NL7101088A patent/NL7101088A/xx unknown
- 1971-01-28 CH CH124871A patent/CH539605A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2076983A5 (de) | 1971-10-15 |
| NL7101088A (de) | 1971-07-30 |
| US3845129A (en) | 1974-10-29 |
| DE2103548A1 (de) | 1971-08-05 |
| BE761901A (fr) | 1971-07-22 |
| GB1291642A (en) | 1972-10-04 |
| JPS5921860B1 (de) | 1984-05-22 |
| CH539605A (de) | 1973-07-31 |
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