JPS52232A - Process for purification of hydroquinone - Google Patents

Process for purification of hydroquinone

Info

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
Application number
JP50075679A
Other languages
Japanese (ja)
Other versions
JPS5642571B2 (en
Inventor
Jo Eguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP50075679A priority Critical patent/JPS52232A/en
Publication of JPS52232A publication Critical patent/JPS52232A/en
Publication of JPS5642571B2 publication Critical patent/JPS5642571B2/ja
Granted legal-status Critical Current

Links

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
JP50075679A 1975-06-23 1975-06-23 Process for purification of hydroquinone Granted JPS52232A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5054590U (en) * 1973-09-14 1975-05-24

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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