JPS6249252B2 - - Google Patents

Info

Publication number
JPS6249252B2
JPS6249252B2 JP13036479A JP13036479A JPS6249252B2 JP S6249252 B2 JPS6249252 B2 JP S6249252B2 JP 13036479 A JP13036479 A JP 13036479A JP 13036479 A JP13036479 A JP 13036479A JP S6249252 B2 JPS6249252 B2 JP S6249252B2
Authority
JP
Japan
Prior art keywords
hydroquinone
vapor
crude
parts
distillation
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
Application number
JP13036479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5653629A (en
Inventor
Hirokazu Hosaka
Kunihiko Tanaka
Toshiharu Morita
Katsuyuki Shioda
Juji Ueda
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP13036479A priority Critical patent/JPS5653629A/ja
Priority to DE19803037476 priority patent/DE3037476A1/de
Priority to US06/193,588 priority patent/US4308110A/en
Priority to CA361,613A priority patent/CA1130818A/en
Priority to GB8032273A priority patent/GB2061926B/en
Priority to FR8021516A priority patent/FR2467185A1/fr
Priority to IT49849/80A priority patent/IT1143996B/it
Publication of JPS5653629A publication Critical patent/JPS5653629A/ja
Priority to GB8316963A priority patent/GB2131015B/en
Publication of JPS6249252B2 publication Critical patent/JPS6249252B2/ja
Granted legal-status Critical Current

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
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP13036479A 1979-10-09 1979-10-09 Method for separation and purification of hydroquinone Granted JPS5653629A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP13036479A JPS5653629A (en) 1979-10-09 1979-10-09 Method for separation and purification of hydroquinone
DE19803037476 DE3037476A1 (de) 1979-10-09 1980-10-03 Verfahren zur trennung von resorcin und hydrochinon voneinander bzw. zur abtrennung und reinigung von hydrochinon aus verunreinigtem rohhydrochinon
US06/193,588 US4308110A (en) 1979-10-09 1980-10-03 Process for separation and purification of dihydric phenols
CA361,613A CA1130818A (en) 1979-10-09 1980-10-06 Process for separation and purification of dihydric phenols
GB8032273A GB2061926B (en) 1979-10-09 1980-10-07 Process for separation and purification of dihydic phenols
FR8021516A FR2467185A1 (fr) 1979-10-09 1980-10-08 Procedes de separation et de purification du resorcinol et de l'hydroquinone
IT49849/80A IT1143996B (it) 1979-10-09 1980-10-08 Procedimento per la separazione e la purificazione di fenoli bivalenti
GB8316963A GB2131015B (en) 1979-10-09 1983-06-22 Purification of hydroquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13036479A JPS5653629A (en) 1979-10-09 1979-10-09 Method for separation and purification of hydroquinone

Publications (2)

Publication Number Publication Date
JPS5653629A JPS5653629A (en) 1981-05-13
JPS6249252B2 true JPS6249252B2 (enrdf_load_html_response) 1987-10-19

Family

ID=15032601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13036479A Granted JPS5653629A (en) 1979-10-09 1979-10-09 Method for separation and purification of hydroquinone

Country Status (2)

Country Link
JP (1) JPS5653629A (enrdf_load_html_response)
GB (1) GB2131015B (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788763B1 (fr) * 1999-01-25 2001-04-13 Rhodia Chimie Sa Procede et installation de separation et purification des diphenols dans l'industrie du phenol et de ses derives
FR3067348B1 (fr) * 2017-06-13 2019-06-28 Rhodia Operations Compositions comprenant de l'hydroquinone et du catechol, procede de preparation de ces compositions

Also Published As

Publication number Publication date
GB2131015A (en) 1984-06-13
JPS5653629A (en) 1981-05-13
GB2131015B (en) 1985-01-09
GB8316963D0 (en) 1983-07-27

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