DK0428429T3 - Fremgangsmåde til kontinuerlig industriel fremstilling af en vandig opløsning af glyoxolsyre - Google Patents

Fremgangsmåde til kontinuerlig industriel fremstilling af en vandig opløsning af glyoxolsyre

Info

Publication number
DK0428429T3
DK0428429T3 DK90403072.3T DK90403072T DK0428429T3 DK 0428429 T3 DK0428429 T3 DK 0428429T3 DK 90403072 T DK90403072 T DK 90403072T DK 0428429 T3 DK0428429 T3 DK 0428429T3
Authority
DK
Denmark
Prior art keywords
acid
aqueous solution
glyoxolic
industrial preparation
continuous industrial
Prior art date
Application number
DK90403072.3T
Other languages
Danish (da)
English (en)
Inventor
Alain Schouteeten
Jean-Michel Alarcon
Original Assignee
Hoechst France
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 France filed Critical Hoechst France
Application granted granted Critical
Publication of DK0428429T3 publication Critical patent/DK0428429T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/147Saturated compounds having only one carboxyl group and containing —CHO groups
    • C07C59/153Glyoxylic acid
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/27Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
DK90403072.3T 1989-11-16 1990-10-30 Fremgangsmåde til kontinuerlig industriel fremstilling af en vandig opløsning af glyoxolsyre DK0428429T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8915036A FR2654428B1 (fr) 1989-11-16 1989-11-16 Nouveau procede de fabrication industrielle en continu d'une solution aqueuse d'acide glyoxylique.

Publications (1)

Publication Number Publication Date
DK0428429T3 true DK0428429T3 (da) 1994-10-24

Family

ID=9387456

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90403072.3T DK0428429T3 (da) 1989-11-16 1990-10-30 Fremgangsmåde til kontinuerlig industriel fremstilling af en vandig opløsning af glyoxolsyre

Country Status (17)

Country Link
US (1) US5138096A (de)
EP (1) EP0428429B1 (de)
JP (1) JP2909658B2 (de)
KR (1) KR0161527B1 (de)
CN (1) CN1025849C (de)
AT (1) ATE112254T1 (de)
BR (1) BR9005825A (de)
CA (1) CA2029650C (de)
DE (1) DE69012952T2 (de)
DK (1) DK0428429T3 (de)
ES (1) ES2060985T3 (de)
FR (1) FR2654428B1 (de)
HU (1) HUT56336A (de)
IE (1) IE66031B1 (de)
IL (1) IL96112A (de)
RU (1) RU1833363C (de)
SG (1) SG28359G (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925047B1 (fr) * 2007-12-18 2010-01-01 Rhodia Operations Procede de preparation de composes p-hydroxymandeliques eventuellement substitues et derives.
FR2926814B1 (fr) * 2008-01-25 2012-08-03 Clariant Specialty Fine Chem F Procede de preparation d'une solution aqueuse d'acide glyoxylique.
FR2926815A1 (fr) * 2008-01-25 2009-07-31 Clariant Specialty Fine Chem Procede de separation d'acide glyoxylique a partir d'un milieu reactionel aqueux contenant de l'acide glyoxylique et de l'acide chlorhydrique.
CN103044236B (zh) * 2012-12-28 2015-01-07 山东汉兴医药科技有限公司 一种乙醛酸的制备方法
CN109678693A (zh) * 2018-12-25 2019-04-26 兄弟科技股份有限公司 一种乙醛酸连续氧化工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002309B (de) * 1953-11-05 1957-02-14 Huels Chemische Werke Ag Verfahren zur Herstellung von Glyoxylsaeure
JPS5885839A (ja) * 1981-11-16 1983-05-23 Daicel Chem Ind Ltd グリオキシル酸の製造法
JPS59210028A (ja) * 1983-05-13 1984-11-28 Daicel Chem Ind Ltd 酸化方法

Also Published As

Publication number Publication date
FR2654428B1 (fr) 1992-03-06
CA2029650A1 (en) 1991-05-17
CA2029650C (en) 2000-05-09
CN1052660A (zh) 1991-07-03
KR910009627A (ko) 1991-06-28
US5138096A (en) 1992-08-11
EP0428429B1 (de) 1994-09-28
IL96112A (en) 1994-10-21
IL96112A0 (en) 1991-07-18
BR9005825A (pt) 1991-09-24
JPH03176456A (ja) 1991-07-31
CN1025849C (zh) 1994-09-07
KR0161527B1 (ko) 1999-01-15
HUT56336A (en) 1991-08-28
EP0428429A2 (de) 1991-05-22
DE69012952T2 (de) 1995-02-09
ATE112254T1 (de) 1994-10-15
ES2060985T3 (es) 1994-12-01
IE66031B1 (en) 1995-11-29
FR2654428A1 (fr) 1991-05-17
DE69012952D1 (de) 1994-11-03
HU906905D0 (en) 1991-05-28
RU1833363C (ru) 1993-08-07
EP0428429A3 (en) 1992-06-17
IE903940A1 (en) 1991-05-22
JP2909658B2 (ja) 1999-06-23
SG28359G (en) 1995-09-18

Similar Documents

Publication Publication Date Title
ATE68795T1 (de) Polyacetale, verfahren zu deren herstellung aus dialdehyden und polyaolcarbonsaeuren und verwendung der polyacetale.
ATE42302T1 (de) Verfahren zur herstellung von 2-keto-aldonsaeure.
FI801363A (fi) Foerfarande foer framstaellning av n-fosfonmetyl-glycin
ES2088430T3 (es) Sistema para desinfectar lentes de contacto.
DK0428429T3 (da) Fremgangsmåde til kontinuerlig industriel fremstilling af en vandig opløsning af glyoxolsyre
DE69205842D1 (de) Verfahren zur herstellung von flunixin und zwischenprodukten dafür.
MX9204638A (es) Remocion de metales de acidos de peroxi acuosos o sales de peroxi.
ES548717A0 (es) Procedimiento para la obtencion de benzotiazolsulfenamidas
ATE73755T1 (de) Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure.
ES2129850T3 (es) Procedimiento de produccion de un derivado de n-bifenilmetiltiadiazolina o una sal de este y su producto intermediario de produccion.
ATE172734T1 (de) Verfahren zur herstellung von ceftriaxon
FR2608173B1 (fr) Bains et procede pour le polissage chimique de surfaces en acier inoxydable
ATE84024T1 (de) Verfahren zur herstellung von 2,2dibromnitrilopropions|ureamid.
BR9304382A (pt) Processo para a preparaçao de um composto
IT1276738B1 (it) Processo per la preparazione di derivati dell'acido -metil-2- tiofeneacetico
ES2015295B3 (es) Procedimiento para fabricar acidos aldonicos o sus sales
ATE113269T1 (de) Verfahren zur herstellung von ungesättigten bromiden.
RO87470A2 (ro) Procedeu de obtinere a acizilor alifatici inferiori prin oxidareaccatalitica a aldehidelor
BG96809A (bg) Баня и метод за химическо полиране на повърхности от неръждаема стомана
IT1190318B (it) Procedimento di purificazione della diamide dell'acido ossalico
ATE30148T1 (de) Verfahren zur herstellung von betahydroxipropions|ureamid.
DE69005097D1 (de) Verfahren zur Herstellung von Glyoxylsäure durch die Oxydation des Glyoxals im wässerigen Milieu in Anwesenheit katalytischer Mengen von Platin.
MX9205566A (es) Proceso para la produccion de acido glioxilico.
IT1243169B (it) Procedimento per la produzione di acido adipico mediante ossidazione nitrica del cicloesanolo e/o cicloesanone in due stadi
DE69010784D1 (de) Diallyloxyessigsäure und ihre basische Additionssalze, ihre Herstellungsverfahren und Verwendung als Retikularmittel.