GB2131015B - Purification of hydroquinone - Google Patents

Purification of hydroquinone

Info

Publication number
GB2131015B
GB2131015B GB8316963A GB8316963A GB2131015B GB 2131015 B GB2131015 B GB 2131015B GB 8316963 A GB8316963 A GB 8316963A GB 8316963 A GB8316963 A GB 8316963A GB 2131015 B GB2131015 B GB 2131015B
Authority
GB
United Kingdom
Prior art keywords
hydroquinone
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
Application number
GB8316963A
Other languages
English (en)
Other versions
GB8316963D0 (en
GB2131015A (en
Inventor
Hirokazu Hosaka
Kunihiko Tanaka
Toshiharu Morita
Katsuyuki Shiota
Yuji 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
Publication of GB8316963D0 publication Critical patent/GB8316963D0/en
Publication of GB2131015A publication Critical patent/GB2131015A/en
Application granted granted Critical
Publication of GB2131015B publication Critical patent/GB2131015B/en
Expired 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)
GB8316963A 1979-10-09 1983-06-22 Purification of hydroquinone Expired GB2131015B (en)

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 (3)

Publication Number Publication Date
GB8316963D0 GB8316963D0 (en) 1983-07-27
GB2131015A GB2131015A (en) 1984-06-13
GB2131015B true GB2131015B (en) 1985-01-09

Family

ID=15032601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8316963A Expired GB2131015B (en) 1979-10-09 1983-06-22 Purification of hydroquinone

Country Status (2)

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

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
JPS6249252B2 (enExample) 1987-10-19
GB8316963D0 (en) 1983-07-27
GB2131015A (en) 1984-06-13
JPS5653629A (en) 1981-05-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991007