CH535740A - Verfahren zur Aufbereitung von rohem p-Aminophenol - Google Patents
Verfahren zur Aufbereitung von rohem p-AminophenolInfo
- Publication number
- CH535740A CH535740A CH1635670A CH1635670A CH535740A CH 535740 A CH535740 A CH 535740A CH 1635670 A CH1635670 A CH 1635670A CH 1635670 A CH1635670 A CH 1635670A CH 535740 A CH535740 A CH 535740A
- Authority
- CH
- Switzerland
- Prior art keywords
- aminophenol
- crude
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/74—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C215/76—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton of the same non-condensed six-membered aromatic ring
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 |
|---|---|---|---|
| US87407269A | 1969-11-04 | 1969-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH535740A true CH535740A (de) | 1973-04-15 |
Family
ID=25362920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1635670A CH535740A (de) | 1969-11-04 | 1970-11-04 | Verfahren zur Aufbereitung von rohem p-Aminophenol |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3703598A (de) |
| BE (1) | BE758463A (de) |
| CH (1) | CH535740A (de) |
| DE (1) | DE2054282C3 (de) |
| FR (1) | FR2068965A5 (de) |
| GB (1) | GB1324715A (de) |
| NL (1) | NL169873C (de) |
| SE (1) | SE356742B (de) |
Families Citing this family (3)
| 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 |
| US4870209A (en) * | 1987-04-29 | 1989-09-26 | Noramco, Inc. | Process for purifying crude 4-aminophenol |
-
0
- BE BE758463D patent/BE758463A/xx unknown
-
1969
- 1969-11-04 US US874072A patent/US3703598A/en not_active Expired - Lifetime
-
1970
- 1970-10-30 GB GB5182070A patent/GB1324715A/en not_active Expired
- 1970-10-30 NL NLAANVRAGE7015932,A patent/NL169873C/xx not_active IP Right Cessation
- 1970-11-02 SE SE14777/70A patent/SE356742B/xx unknown
- 1970-11-03 FR FR7039585A patent/FR2068965A5/fr not_active Expired
- 1970-11-04 DE DE2054282A patent/DE2054282C3/de not_active Expired
- 1970-11-04 CH CH1635670A patent/CH535740A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7015932A (de) | 1971-05-06 |
| NL169873C (nl) | 1982-09-01 |
| DE2054282C3 (de) | 1981-02-26 |
| FR2068965A5 (de) | 1971-09-03 |
| DE2054282A1 (de) | 1971-06-09 |
| NL169873B (nl) | 1982-04-01 |
| GB1324715A (en) | 1973-07-25 |
| SE356742B (de) | 1973-06-04 |
| US3703598A (en) | 1972-11-21 |
| BE758463A (fr) | 1971-05-04 |
| DE2054282B2 (de) | 1980-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |