ATE112253T1 - Verfahren zur reinigung von mono- tert.butylhydrochinon. - Google Patents

Verfahren zur reinigung von mono- tert.butylhydrochinon.

Info

Publication number
ATE112253T1
ATE112253T1 AT92901049T AT92901049T ATE112253T1 AT E112253 T1 ATE112253 T1 AT E112253T1 AT 92901049 T AT92901049 T AT 92901049T AT 92901049 T AT92901049 T AT 92901049T AT E112253 T1 ATE112253 T1 AT E112253T1
Authority
AT
Austria
Prior art keywords
butyl hydroquinone
butylhydrochinone
tert
mono
purification
Prior art date
Application number
AT92901049T
Other languages
English (en)
Inventor
James Ronald Hilderbrand
Stat Staff
Original Assignee
Eastman Chem 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
Application filed by Eastman Chem Co filed Critical Eastman Chem Co
Application granted granted Critical
Publication of ATE112253T1 publication Critical patent/ATE112253T1/de

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
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
    • 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
    • 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
    • C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT92901049T 1990-12-05 1991-11-26 Verfahren zur reinigung von mono- tert.butylhydrochinon. ATE112253T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/622,453 US5087771A (en) 1990-12-05 1990-12-05 Process for the purification of monotertiarybutyl hydroquinone

Publications (1)

Publication Number Publication Date
ATE112253T1 true ATE112253T1 (de) 1994-10-15

Family

ID=24494224

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92901049T ATE112253T1 (de) 1990-12-05 1991-11-26 Verfahren zur reinigung von mono- tert.butylhydrochinon.

Country Status (9)

Country Link
US (1) US5087771A (de)
EP (1) EP0561929B1 (de)
JP (1) JPH06503326A (de)
AT (1) ATE112253T1 (de)
CA (1) CA2095110A1 (de)
DE (1) DE69104379T2 (de)
DK (1) DK0561929T3 (de)
ES (1) ES2061332T3 (de)
WO (1) WO1992010456A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0017256A (pt) * 2000-06-16 2003-05-27 Eastman Chem Co Método para a produção de hidroquinona de monobutila terciária
CN102838454B (zh) * 2012-09-25 2014-07-30 厦门大学 一种叔丁基对苯二酚的提纯方法
CN104072341B (zh) * 2014-06-23 2016-01-06 华南理工大学 一种2,5-二叔丁基对苯二酚精制方法
CN106770705A (zh) * 2016-11-22 2017-05-31 青岛舜宇恒平仪器有限公司 对易氧化物质进行在线柱后还原检测的装置和分析方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722556A (en) * 1952-03-19 1955-11-01 Eastman Kodak Co Preparation of tertiary butyl hydroquinone
DE2606364C3 (de) * 1976-02-18 1988-05-26 Basf Ag, 6700 Ludwigshafen Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation
US4507244A (en) * 1982-06-02 1985-03-26 Walter Rau Lebensmittelwerke Gmbh & Co. Kg Method for crystallizing a substance from a solution
US4447655A (en) * 1982-11-24 1984-05-08 General Electric Company Purification of bisphenol-A
US4536292A (en) * 1984-03-26 1985-08-20 Calgon Corporation Carboxylic/sulfonic/quaternary ammonium polymers for use as scale and corrosion inhibitors
JPS60221607A (ja) * 1984-04-17 1985-11-06 Babcock Hitachi Kk 分割セル型流動層燃焼装置
US4720570A (en) * 1986-03-14 1988-01-19 Celanese Corporation Rate of crystallizing diphenylisophthalate/diphenylterephthalate monomer
US4861919A (en) * 1988-02-29 1989-08-29 The Dow Chemical Company Countercurrent multi-stage water crystallization of aromatic compounds

Also Published As

Publication number Publication date
DE69104379D1 (de) 1994-11-03
EP0561929B1 (de) 1994-09-28
ES2061332T3 (es) 1994-12-01
WO1992010456A1 (en) 1992-06-25
US5087771A (en) 1992-02-11
DK0561929T3 (da) 1994-10-24
DE69104379T2 (de) 1995-02-09
JPH06503326A (ja) 1994-04-14
CA2095110A1 (en) 1992-06-06
EP0561929A1 (de) 1993-09-29

Similar Documents

Publication Publication Date Title
TW430647B (en) Removal of acetaldehyde from a carbonylation process stream
DK0610506T3 (da) Fremgangsmåde til fremstilling af højren eicosapentaensyre eller ester heraf
ATE88442T1 (de) Verfahren zur trennung von zucker und konzentrierter schwefelsaeure.
EP1002787A4 (de) Verfahren zur reinigung von (meth)acrylsäure
DK1194423T3 (da) Fremgangsmåder til ekstraktion og rensning af Paclitaxel fra naturlige kilder
DE68906525D1 (de) Verfahren zur herstellung von estern der beta-hydroxybuttersaeure.
EP0128694A3 (de) Verfahren zur Scheidung von Methylester von alpha-L-Aspartyl-L-Phenylanin durch Kristallisation
JPS51146418A (en) Purification of methacrylic esters
ATE112253T1 (de) Verfahren zur reinigung von mono- tert.butylhydrochinon.
CA2294147C (en) Process for the production of methyl methacrylate
BR8203311A (pt) Processo continuo para obtencao de acido tereftalico puro e glicol
BG101136A (en) Method for the separation of raw ester in dmt process
NO922272D0 (no) Fremgangsmaate for fjerning av aceton fra en blanding omfattende aceton, metylacetat og metyliodid
SE9001015D0 (sv) Reningsfoerfarande
MY135836A (en) Process for the production and purification of n-butyl acrylate
GB1495481A (en) Process for the obtaining of isobutylene of high purity
KR850000030A (ko) 아스파르탐의 제조방법
DE68928249D1 (de) Verfahren zur Trennung von Methylester von alpha-L-aspartyl-L-phenylalaninen
GB2000773B (en) Process for the purification of phenylhydrozine
GB1549533A (en) Process for the purification of phthalic anhydride
JPS5266684A (en) Purification and separation of 2-keto-l-glonic acid
KR900003104A (ko) 이소부티르산으로부터 메틸메타크릴레이트를 제조하는 개선된 제조방법
JPS5210214A (en) Process for recovery of methylmethacrylate dimer
SU149784A1 (ru) Способ получени 2-4-6-коллидина
KR940003905A (ko) α- L- 아스파르틸- L- 페닐알라닌 메틸 에스테르의 제조방법

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee