ATE73755T1 - Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure. - Google Patents

Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure.

Info

Publication number
ATE73755T1
ATE73755T1 AT89401809T AT89401809T ATE73755T1 AT E73755 T1 ATE73755 T1 AT E73755T1 AT 89401809 T AT89401809 T AT 89401809T AT 89401809 T AT89401809 T AT 89401809T AT E73755 T1 ATE73755 T1 AT E73755T1
Authority
AT
Austria
Prior art keywords
glyoxylic acid
processes
industrial production
water solutions
glyoxal
Prior art date
Application number
AT89401809T
Other languages
English (en)
Inventor
Alain Schouteeten
Yani Christidis
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 ATE73755T1 publication Critical patent/ATE73755T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/27—Preparation 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AT89401809T 1988-07-01 1989-06-26 Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure. ATE73755T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8808957A FR2633615B1 (fr) 1988-07-01 1988-07-01 Procede de fabrication industrielle de solutions aqueuses d'acide glyoxylique
EP89401809A EP0349406B1 (de) 1988-07-01 1989-06-26 Verfahren zur Industrieproduktion der Wasserlösungen von Glyoxylsäure

Publications (1)

Publication Number Publication Date
ATE73755T1 true ATE73755T1 (de) 1992-04-15

Family

ID=9367994

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89401809T ATE73755T1 (de) 1988-07-01 1989-06-26 Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure.

Country Status (8)

Country Link
US (1) US5091566A (de)
EP (1) EP0349406B1 (de)
JP (1) JP2761761B2 (de)
AT (1) ATE73755T1 (de)
DE (1) DE68901011D1 (de)
ES (1) ES2030285T3 (de)
FR (1) FR2633615B1 (de)
GR (1) GR3004105T3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2934605B2 (ja) * 1995-08-24 1999-08-16 株式会社日本触媒 α−オキソカルボン酸エステルの製造方法およびそれに用いる触媒
JP5000043B2 (ja) * 2000-11-28 2012-08-15 株式会社ダイセル イミド化合物と窒素酸化物とを触媒とする有機化合物の製造法
US20050186311A1 (en) * 2004-02-23 2005-08-25 Loh Jimbay P. Method for acidifying and preserving food compositions using electrodialyzed compositions
US20050186312A1 (en) * 2004-02-23 2005-08-25 Kraft Foods Holdings, Inc. Shelf-stable foodstuffs and methods for their preparation
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.
JP2012067070A (ja) * 2010-06-25 2012-04-05 Sumitomo Chemical Co Ltd α−ケトカルボン酸の製造方法
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
CN114213234A (zh) * 2021-12-27 2022-03-22 内蒙古源宏精细化工有限公司 一种环丙基甲酸的合成方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE132336C (de) *
US2298387A (en) * 1939-08-25 1942-10-13 Eastman Kodak Co Oxidation process
DE2826065A1 (de) * 1977-06-14 1979-01-11 Pollution Preventing Res Verfahren zur herstellung von aldehyden, ketonen und fettsaeuren durch oxydation aliphatischer alkohole oder glycole

Also Published As

Publication number Publication date
ES2030285T3 (es) 1992-10-16
FR2633615A1 (fr) 1990-01-05
GR3004105T3 (de) 1993-03-31
EP0349406A1 (de) 1990-01-03
US5091566A (en) 1992-02-25
JP2761761B2 (ja) 1998-06-04
DE68901011D1 (de) 1992-04-23
JPH0363245A (ja) 1991-03-19
EP0349406B1 (de) 1992-03-18
FR2633615B1 (fr) 1991-04-12

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Legal Events

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