DK175685B1 - Fremgangsmåde til rensning af 2-(4-isobutylphenyl)-propionsyre fra blandinger, der fremkommer ved fremstillingen af 2-(4-isobutylphenyl)-propionsyren - Google Patents

Fremgangsmåde til rensning af 2-(4-isobutylphenyl)-propionsyre fra blandinger, der fremkommer ved fremstillingen af 2-(4-isobutylphenyl)-propionsyren Download PDF

Info

Publication number
DK175685B1
DK175685B1 DK198900376A DK37689A DK175685B1 DK 175685 B1 DK175685 B1 DK 175685B1 DK 198900376 A DK198900376 A DK 198900376A DK 37689 A DK37689 A DK 37689A DK 175685 B1 DK175685 B1 DK 175685B1
Authority
DK
Denmark
Prior art keywords
rectification
acid
isobutylphenyl
carried out
propionic acid
Prior art date
Application number
DK198900376A
Other languages
Danish (da)
English (en)
Other versions
DK37689A (da
DK37689D0 (da
Inventor
Adolf Schmidt
Siegbert Rittner
Larry O Wheeler
Gary L Moss
Edward G Zey
Original Assignee
Hoechst Ag
Hoechest Celanese Corp
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 Hoechst Ag, Hoechest Celanese Corp filed Critical Hoechst Ag
Publication of DK37689D0 publication Critical patent/DK37689D0/da
Publication of DK37689A publication Critical patent/DK37689A/da
Application granted granted Critical
Publication of DK175685B1 publication Critical patent/DK175685B1/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/30Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK198900376A 1988-01-29 1989-01-27 Fremgangsmåde til rensning af 2-(4-isobutylphenyl)-propionsyre fra blandinger, der fremkommer ved fremstillingen af 2-(4-isobutylphenyl)-propionsyren DK175685B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3802619 1988-01-29
DE3802619A DE3802619C1 (zh) 1988-01-29 1988-01-29

Publications (3)

Publication Number Publication Date
DK37689D0 DK37689D0 (da) 1989-01-27
DK37689A DK37689A (da) 1989-07-30
DK175685B1 true DK175685B1 (da) 2005-01-17

Family

ID=6346221

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198900376A DK175685B1 (da) 1988-01-29 1989-01-27 Fremgangsmåde til rensning af 2-(4-isobutylphenyl)-propionsyre fra blandinger, der fremkommer ved fremstillingen af 2-(4-isobutylphenyl)-propionsyren

Country Status (22)

Country Link
EP (1) EP0326027B1 (zh)
JP (1) JP2688515B2 (zh)
KR (1) KR0129753B1 (zh)
CN (1) CN1025609C (zh)
AR (1) AR244196A1 (zh)
AT (1) ATE83766T1 (zh)
AU (1) AU607837B2 (zh)
CA (1) CA1337553C (zh)
DD (1) DD278778A5 (zh)
DE (2) DE3802619C1 (zh)
DK (1) DK175685B1 (zh)
ES (1) ES2042811T3 (zh)
FI (1) FI90656C (zh)
GR (1) GR3007235T3 (zh)
HU (1) HU202172B (zh)
IE (1) IE63324B1 (zh)
IL (1) IL89094A (zh)
NO (1) NO169118C (zh)
NZ (1) NZ227756A (zh)
PT (1) PT89535B (zh)
RU (1) RU1819257C (zh)
ZA (1) ZA89619B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833448A1 (de) * 1988-10-01 1990-04-12 Hoechst Ag Verfahren zur gewinnung von ibuprofen fuer die direkttablettierung
DE3833446A1 (de) * 1988-10-01 1990-04-05 Hoechst Ag Verfahren zur herstellung von arzneimittelwirkstoff-partikeln mit verbesserten fliess-, lager- und formulierungseigenschaften sowie arzneimittel, die diese arzneimittelwirkstoff-partikeln enthalten
US5151551A (en) * 1990-09-06 1992-09-29 Hoechst Celanese Corporation Method for purification of ibuprofen comprising mixtures
GB0519350D0 (en) 2005-09-22 2005-11-02 Boots Healthcare Int Ltd Therapeutic agents
CN204505103U (zh) * 2015-04-14 2015-07-29 杭州巨星科技股份有限公司 蜗轮夹持防松结构及防松活络扳手

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB971700A (en) * 1961-02-02 1964-09-30 Boots Pure Drug Co Ltd Anti-Inflammatory Agents
US3344045A (en) * 1964-10-23 1967-09-26 Sun Oil Co Electrolytic preparation of carboxylic acids
HU173576B (hu) * 1975-06-24 1979-06-28 Chinoin Gyogyszer Es Vegyeszet Sposob poluchenija zamehhjonnykh fenil-alkil-karbonovykh kislot
DE2557011A1 (de) * 1975-12-18 1977-06-23 Dynamit Nobel Ag Verfahren zur herstellung von alpha- arylsubstituierten propionsaeurealkylestern
US4694100A (en) * 1984-07-14 1987-09-15 Nippon Petrochemicals Company, Ltd. Method for producing α-(p-isobutylphenyl)propionic acid or its alkyl esters

Also Published As

Publication number Publication date
NO169118B (no) 1992-02-03
FI90656B (fi) 1993-11-30
IE890268L (en) 1989-07-29
ES2042811T3 (es) 1993-12-16
IE63324B1 (en) 1995-04-05
NO890344L (no) 1989-07-31
HU202172B (en) 1991-02-28
NO169118C (no) 1992-05-13
PT89535A (pt) 1989-10-04
EP0326027A1 (de) 1989-08-02
PT89535B (pt) 1994-02-28
DD278778A5 (de) 1990-05-16
ATE83766T1 (de) 1993-01-15
FI90656C (fi) 1994-03-10
CN1025609C (zh) 1994-08-10
IL89094A (en) 1993-02-21
DE3802619C1 (zh) 1989-09-07
DK37689A (da) 1989-07-30
GR3007235T3 (zh) 1993-07-30
NO890344D0 (no) 1989-01-27
KR0129753B1 (ko) 1998-04-07
NZ227756A (en) 1992-05-26
DK37689D0 (da) 1989-01-27
KR890011816A (ko) 1989-08-22
JPH01226848A (ja) 1989-09-11
CN1035821A (zh) 1989-09-27
FI890386A (fi) 1989-07-30
RU1819257C (en) 1993-05-30
CA1337553C (en) 1995-11-14
JP2688515B2 (ja) 1997-12-10
IL89094A0 (en) 1989-08-15
AR244196A1 (es) 1993-10-29
DE58903057D1 (de) 1993-02-04
EP0326027B1 (de) 1992-12-23
AU607837B2 (en) 1991-03-14
FI890386A0 (fi) 1989-01-26
ZA89619B (en) 1989-09-27
AU2885789A (en) 1989-08-03

Similar Documents

Publication Publication Date Title
US4215051A (en) Formation, purification and recovery of phthalic anhydride
JP7082763B2 (ja) ジメチルスルホキシドを蒸留する方法、および、多段式蒸留塔
JP2004359615A (ja) アクリル酸の製造方法
JP4612041B2 (ja) アクリル酸の回収方法
EP0675100A2 (en) Preparation of alpha-beta-unsaturated c3-c6 carboxylic acids
KR100360570B1 (ko) 정제된에틸렌글리콜카보네이트(egc)의분리방법
DK175685B1 (da) Fremgangsmåde til rensning af 2-(4-isobutylphenyl)-propionsyre fra blandinger, der fremkommer ved fremstillingen af 2-(4-isobutylphenyl)-propionsyren
EP0031097B1 (en) Method for distilling ethyl alcohol
JP4209626B2 (ja) トリエチルアミンの回収方法
JPH0147454B2 (zh)
US4215056A (en) Formation, purification and recovery of phthalic anhydride
US4234494A (en) Formation, purification and recovery of phthalic anhydride
CN101318928B (zh) 2-羟甲基-3,5-二甲基-4-甲氧基吡啶的一种分离方法
JPS6059889B2 (ja) ハイドロキノンの回収方法
WO1994019303A1 (en) A dephenolization process for obtaining ultrapure polycarbonate grade bisphenol a
US5271811A (en) Process for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum distillation
US4233227A (en) Phthalic anhydride formation and separation
US4215054A (en) Production of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydride
JPS6249253B2 (zh)
KR20160032994A (ko) (메트)아크릴산의 회수 방법 및 회수 장치
JPS6013739A (ja) アクリル酸の精製方法
JPS6256442A (ja) ナフタレンの精製方法
JPS6127938A (ja) ソルビン酸の製法
JPH0584318B2 (zh)
JP2685730B2 (ja) エチレンスルフィドの回収方法

Legal Events

Date Code Title Description
PBP Patent lapsed

Country of ref document: DK