DE68901011D1 - Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure. - Google Patents

Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure.

Info

Publication number
DE68901011D1
DE68901011D1 DE8989401809T DE68901011T DE68901011D1 DE 68901011 D1 DE68901011 D1 DE 68901011D1 DE 8989401809 T DE8989401809 T DE 8989401809T DE 68901011 T DE68901011 T DE 68901011T DE 68901011 D1 DE68901011 D1 DE 68901011D1
Authority
DE
Germany
Prior art keywords
industrial production
water solutions
glyoxyl acid
acid
glyoxal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8989401809T
Other languages
English (en)
Inventor
Alain Schouteeten
Yani Christidis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
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 Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Application granted granted Critical
Publication of DE68901011D1 publication Critical patent/DE68901011D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE8989401809T 1988-07-01 1989-06-26 Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure. Expired - Lifetime DE68901011D1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE68901011D1 true DE68901011D1 (de) 1992-04-23

Family

ID=9367994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989401809T Expired - Lifetime DE68901011D1 (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
GB2001621A (en) * 1977-06-14 1979-02-07 Pollution Preventing Res Method of oxidizing alcohols or glycols with liquid nitrogen dioxide

Also Published As

Publication number Publication date
ATE73755T1 (de) 1992-04-15
EP0349406A1 (de) 1990-01-03
FR2633615A1 (fr) 1990-01-05
US5091566A (en) 1992-02-25
EP0349406B1 (de) 1992-03-18
ES2030285T3 (es) 1992-10-16
JP2761761B2 (ja) 1998-06-04
JPH0363245A (ja) 1991-03-19
FR2633615B1 (fr) 1991-04-12
GR3004105T3 (de) 1993-03-31

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Legal Events

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