IT8049849A0 - Procedimento per la separazione ela purificazione di fenoli bivalenti - Google Patents

Procedimento per la separazione ela purificazione di fenoli bivalenti

Info

Publication number
IT8049849A0
IT8049849A0 IT8049849A IT4984980A IT8049849A0 IT 8049849 A0 IT8049849 A0 IT 8049849A0 IT 8049849 A IT8049849 A IT 8049849A IT 4984980 A IT4984980 A IT 4984980A IT 8049849 A0 IT8049849 A0 IT 8049849A0
Authority
IT
Italy
Prior art keywords
purification
separation
procedure
divalent phenols
phenols
Prior art date
Application number
IT8049849A
Other languages
English (en)
Other versions
IT1143996B (it
Inventor
E Yuji Ueda
Hirokazu Hosaka
Kunihiko Tanaka
Toshiharu Morita
Katsuyuki Shiota
Original Assignee
Sumitomo Chemical Co
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
Priority claimed from JP13036479A external-priority patent/JPS5653629A/ja
Priority claimed from JP13036579A external-priority patent/JPS5653630A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of IT8049849A0 publication Critical patent/IT8049849A0/it
Application granted granted Critical
Publication of IT1143996B publication Critical patent/IT1143996B/it

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
    • C07C37/685—Processes comprising at least two steps in series
    • 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)
IT49849/80A 1979-10-09 1980-10-08 Procedimento per la separazione e la purificazione di fenoli bivalenti IT1143996B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13036479A JPS5653629A (en) 1979-10-09 1979-10-09 Method for separation and purification of hydroquinone
JP13036579A JPS5653630A (en) 1979-10-09 1979-10-09 Separating method of resorcin and hydroquinone

Publications (2)

Publication Number Publication Date
IT8049849A0 true IT8049849A0 (it) 1980-10-08
IT1143996B IT1143996B (it) 1986-10-29

Family

ID=26465506

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49849/80A IT1143996B (it) 1979-10-09 1980-10-08 Procedimento per la separazione e la purificazione di fenoli bivalenti

Country Status (6)

Country Link
US (1) US4308110A (it)
CA (1) CA1130818A (it)
DE (1) DE3037476A1 (it)
FR (1) FR2467185A1 (it)
GB (1) GB2061926B (it)
IT (1) IT1143996B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849549A (en) * 1987-12-22 1989-07-18 Indspec Chemical Corporation Process for preparation of resorcinol
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
TWI237018B (en) * 2001-07-13 2005-08-01 Kaneka Corp Method of producing reduced coenzyme Q10 crystals
US20050076824A1 (en) * 2003-10-08 2005-04-14 Cross Elisa M. Resistive touch screen incorporating conductive polymer
US7521505B2 (en) * 2006-06-12 2009-04-21 Sabic Innovative Plastics Ip B.V. Method of stabilization of dihydric phenols
US20070287796A1 (en) * 2006-06-12 2007-12-13 General Electric Company Method of stabilization of dihydric phenols
FR2903097B1 (fr) * 2006-06-29 2012-10-19 Rhodia Recherches & Tech Procede de preparation d'hydroquinone purifiee et mise en forme
FR2903098B1 (fr) * 2006-06-29 2012-08-03 Rhodia Recherches & Tech Nouvelle forme d'hydroquinone et son procede d'obtention
FR2903099B1 (fr) * 2006-06-29 2012-08-03 Rhodia Recherches & Tech Procede de separation et de purification d'hydroquinone a partir de melanges bruts
FR2903100B1 (fr) * 2006-06-29 2012-08-03 Rhodia Recherches & Tech Procede de preparation d'hydroquinone purifiee
FR2905374B1 (fr) * 2006-09-04 2008-11-14 Rhodia Recherches & Tech Procede de preparation d'hydroquinone de purete elevee.
CN114163310A (zh) * 2021-12-16 2022-03-11 北京石油化工学院 一种分离和提纯苯二酚异构体的方法
CN115043710B (zh) * 2022-05-31 2024-03-12 武汉华尔生物科技有限公司 一种高纯氢醌的纯化方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1912628A (en) * 1931-09-04 1933-06-06 Dow Chemical Co Purification of dihydric phenols
FR1441627A (fr) * 1965-04-26 1966-06-10 Rhone Poulenc Sa Procédé d'isolement de produits à point de fusion élevé
US3968171A (en) * 1970-03-05 1976-07-06 The Goodyear Tire & Rubber Company Process for the continuous isolation of dihydric phenols
JPS4943933A (it) * 1972-09-04 1974-04-25
JPS5312500B2 (it) * 1972-11-21 1978-05-01
JPS5136430A (en) * 1974-09-20 1976-03-27 Mitsui Petrochemical Ind Hidorokinon no seiseihoho
US4119791A (en) * 1977-09-14 1978-10-10 The Goodyear Tire & Rubber Company Aqueous recovery of hydroquinone

Also Published As

Publication number Publication date
DE3037476C2 (it) 1990-04-19
GB2061926B (en) 1984-08-30
FR2467185A1 (fr) 1981-04-17
FR2467185B1 (it) 1982-10-29
US4308110A (en) 1981-12-29
IT1143996B (it) 1986-10-29
GB2061926A (en) 1981-05-20
DE3037476A1 (de) 1981-04-23
CA1130818A (en) 1982-08-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950929