BE787770A - Procede de preparation d'acide glyoxylique - Google Patents

Procede de preparation d'acide glyoxylique

Info

Publication number
BE787770A
BE787770A BE787770DA BE787770A BE 787770 A BE787770 A BE 787770A BE 787770D A BE787770D A BE 787770DA BE 787770 A BE787770 A BE 787770A
Authority
BE
Belgium
Prior art keywords
preparation process
glyoxylic acid
acid preparation
glyoxylic
preparation
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Des Usines Chimiques Rhone-Poulenc. Soc.
Original Assignee
Rhone Poulenc Sa
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.)
Publication date
Publication of BE787770A publication Critical patent/BE787770A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/25—Reduction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BE787770D 1971-08-20 Procede de preparation d'acide glyoxylique BE787770A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7130395A FR2151150A5 (xx) 1971-08-20 1971-08-20

Publications (1)

Publication Number Publication Date
BE787770A true BE787770A (fr) 1973-02-19

Family

ID=9082084

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787770D BE787770A (fr) 1971-08-20 Procede de preparation d'acide glyoxylique

Country Status (13)

Country Link
US (1) US3779876A (xx)
JP (1) JPS4829720A (xx)
AT (1) AT326624B (xx)
BE (1) BE787770A (xx)
BR (1) BR7205614D0 (xx)
CA (1) CA974477A (xx)
CH (1) CH541535A (xx)
DD (1) DD98281A5 (xx)
DE (1) DE2240731C3 (xx)
FR (1) FR2151150A5 (xx)
GB (1) GB1364761A (xx)
IT (1) IT964101B (xx)
NL (1) NL7211021A (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560450A (en) * 1985-04-18 1985-12-24 Texaco, Inc. Means and method for reducing oxalic acid to a product
US4619743A (en) * 1985-07-16 1986-10-28 Texaco Inc. Electrolytic method for reducing oxalic acid to a product
FR2587039B1 (fr) * 1985-09-10 1990-06-08 Hoechst France Procede de fabrication d'oxyde glyoxylique par reduction electrochimique d'acide oxalique
JPH0791053B2 (ja) * 1988-02-16 1995-10-04 旭硝子株式会社 炭酸水素ナトリウムの製造方法
CA2130552A1 (en) * 1992-02-22 1993-08-23 Steffen Dapperheld Electrochemical process for preparing glyoxylic acid
DE4205423C1 (de) * 1992-02-22 1993-09-30 Hoechst Ag Elektrochemisches Verfahren zur Herstellung von Glyoxylsäure
DE4217338C2 (de) * 1992-05-26 1994-09-01 Hoechst Ag Elektrochemisches Verfahren zur Reduktion von Oxalsäure zu Glyoxylsäure
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.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE194038C (xx) * 1903-12-05
US798920A (en) * 1904-01-29 1905-09-05 Emil Von Portheim Method of reducing oxalic acid and its derivatives by electrolysis.
US1013502A (en) * 1911-03-01 1912-01-02 Roessler & Hasslacher Chemical Process for the manufacture of glycolic acid.
BE757106A (fr) * 1969-10-06 1971-04-06 Basf Ag Procede de preparation de l'acide glyoxylique a partir de l'acide oxalique
JPS589966A (ja) 1981-07-07 1983-01-20 Sumitomo Metal Ind Ltd 片面亜鉛メツキ鋼板の製造方法

Also Published As

Publication number Publication date
CA974477A (en) 1975-09-16
BR7205614D0 (pt) 1973-08-23
DE2240731A1 (de) 1973-03-01
IT964101B (it) 1974-01-21
DD98281A5 (xx) 1973-06-12
ATA716372A (de) 1975-03-15
NL7211021A (xx) 1973-02-22
DE2240731C3 (de) 1981-04-02
JPS4829720A (xx) 1973-04-19
FR2151150A5 (xx) 1973-04-13
CH541535A (fr) 1973-09-15
GB1364761A (en) 1974-08-29
DE2240731B2 (de) 1974-04-04
AT326624B (de) 1975-12-29
US3779876A (en) 1973-12-18

Similar Documents

Publication Publication Date Title
BE791653A (fr) Procede electrolytique de preparation de l'acide
BE775252A (fr) Procede de preparation d'acide acrylique
BE763091A (fr) Procede de preparation d'acide naphtalene-monocarboxylique ou d'acide naphtalene-dicarboxylique
BE780604A (fr) Procede de preparation de derives d'acide
BE787770A (fr) Procede de preparation d'acide glyoxylique
BE787669A (fr) Anilides d'acide n-methyl-dicarboxylique triiodes, et leur procede de preparation
BE790240A (fr) Procede de preparation de l'acide mixte (+)-cis, (+)-trans- chrysanthemique
BE776407A (fr) Procede de preparation de l'acide phenyl-1-vinylphosphorique
BE786156A (fr) Procede de preparation de l'anhydride
BE789049A (fr) Procede pour la preparation de l'acide citrique
BE756477A (fr) Procede de preparation d'acide polymaleique
BE786650A (fr) Procede de preparation de l'acide squarique
BE764364A (fr) Procede de preparation d'acide levulinique
BE807260A (fr) Procede de preparation d'acide trans- chrysanthemique
BE762365A (fr) Procede pour la preparation d'acide amidoalcanes-sulfoniques
BE765849A (fr) Procede de preparation d'acide sulfurique
BE786157A (fr) Procede de preparation de l'anhydride
FR2334652A1 (fr) Procede de preparation de l'acide anthraquinone-1-carboxylique
BE804268A (fr) Procede de preparation de l'acide acrylique
BE793541A (fr) Procede de preparation de l'acide sorbique
CH558382A (fr) Procede de preparation de l'acide 7-aminocephalosporanique.
BE785086A (fr) Procede de preparation de l'acide 3-0-(beta- carboxypropionyl)-18beta-glycyrrhetique
BE815214A (fr) Procede de preparation d'acide 3-acetamido-5-amino-2
BE803648A (fr) Procede de preparation de l'acide alpha- chloracrylique
CH550192A (fr) Procede de preparation de nouveaux derives de l'acide thiohydroximique.