JPS52232A - Process for purification of hydroquinone - Google Patents
Process for purification of hydroquinoneInfo
- Publication number
- JPS52232A JPS52232A JP50075679A JP7567975A JPS52232A JP S52232 A JPS52232 A JP S52232A JP 50075679 A JP50075679 A JP 50075679A JP 7567975 A JP7567975 A JP 7567975A JP S52232 A JPS52232 A JP S52232A
- Authority
- JP
- Japan
- Prior art keywords
- hydroquinone
- purification
- reductant
- crystallization
- solvent
- 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.)
- Granted
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: Colorless hydroquinone is prepared by the crystallization of the reduction product obtained by adding a solvent and, if necessary, water to a hydroquinone preparation solution and reducing it with a reductant.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50075679A JPS52232A (en) | 1975-06-23 | 1975-06-23 | Process for purification of hydroquinone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50075679A JPS52232A (en) | 1975-06-23 | 1975-06-23 | Process for purification of hydroquinone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52232A true JPS52232A (en) | 1977-01-05 |
JPS5642571B2 JPS5642571B2 (en) | 1981-10-06 |
Family
ID=13583113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50075679A Granted JPS52232A (en) | 1975-06-23 | 1975-06-23 | Process for purification of hydroquinone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52232A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5054590U (en) * | 1973-09-14 | 1975-05-24 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3436429A (en) * | 1966-11-23 | 1969-04-01 | Skelly Oil Co | Hydrogenation process |
US3884983A (en) * | 1970-08-19 | 1975-05-20 | Goodyear Tire & Rubber | Process for the production of photograde hydroquinone |
BE825586A (en) * | 1974-02-25 | 1975-05-29 | HYDROQUINONE PURIFICATION PROCESS |
-
1975
- 1975-06-23 JP JP50075679A patent/JPS52232A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3436429A (en) * | 1966-11-23 | 1969-04-01 | Skelly Oil Co | Hydrogenation process |
US3884983A (en) * | 1970-08-19 | 1975-05-20 | Goodyear Tire & Rubber | Process for the production of photograde hydroquinone |
BE825586A (en) * | 1974-02-25 | 1975-05-29 | HYDROQUINONE PURIFICATION PROCESS |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5054590U (en) * | 1973-09-14 | 1975-05-24 | ||
JPS5511094Y2 (en) * | 1973-09-14 | 1980-03-11 |
Also Published As
Publication number | Publication date |
---|---|
JPS5642571B2 (en) | 1981-10-06 |
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