EP0578946A3 - Elektrochemisches Verfahren zur Reduktion von Oxalsäure zu Glyoxylsäure - Google Patents
Elektrochemisches Verfahren zur Reduktion von Oxalsäure zu Glyoxylsäure Download PDFInfo
- Publication number
- EP0578946A3 EP0578946A3 EP19930108108 EP93108108A EP0578946A3 EP 0578946 A3 EP0578946 A3 EP 0578946A3 EP 19930108108 EP19930108108 EP 19930108108 EP 93108108 A EP93108108 A EP 93108108A EP 0578946 A3 EP0578946 A3 EP 0578946A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- lead
- cathode
- cells
- metals
- 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.)
- Granted
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)
- Electrolytic Production Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4217338 | 1992-05-26 | ||
DE4217338A DE4217338C2 (de) | 1992-05-26 | 1992-05-26 | Elektrochemisches Verfahren zur Reduktion von Oxalsäure zu Glyoxylsäure |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0578946A2 EP0578946A2 (de) | 1994-01-19 |
EP0578946A3 true EP0578946A3 (de) | 1994-02-09 |
EP0578946B1 EP0578946B1 (de) | 1996-02-14 |
Family
ID=6459722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93108108A Expired - Lifetime EP0578946B1 (de) | 1992-05-26 | 1993-05-18 | Elektrochemisches Verfahren zur Reduktion von Oxalsäure zu Glyoxylsäure |
Country Status (7)
Country | Link |
---|---|
US (1) | US5395488A (de) |
EP (1) | EP0578946B1 (de) |
JP (1) | JPH0657471A (de) |
AT (1) | ATE134224T1 (de) |
BR (1) | BR9302036A (de) |
CA (1) | CA2096901A1 (de) |
DE (2) | DE4217338C2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0834946B1 (de) * | 1996-10-02 | 2002-09-11 | Japan Storage Battery Company Limited | Ventilgeregelte Blei-Säure-Batterie und Verfahren zu deren Herstellung |
CN1303252C (zh) * | 2004-02-26 | 2007-03-07 | 华东理工大学 | 电解制备乙醛酸的方法 |
CN100363538C (zh) * | 2005-08-05 | 2008-01-23 | 山东建筑工程学院材料科学研究所 | 草酸电解还原制备乙醛酸中的电极活化处理工艺 |
CN105051258B (zh) * | 2013-02-28 | 2017-07-11 | 协和发酵生化株式会社 | 制造还原型谷胱甘肽的方法 |
CN108778500A (zh) * | 2016-03-08 | 2018-11-09 | 国立研究开发法人科学技术振兴机构 | 催化剂及其应用 |
CN112023934B (zh) * | 2020-10-09 | 2022-12-27 | 北京化工大学 | 一种铜铟双金属单原子催化剂的制备方法 |
WO2022112375A1 (en) | 2020-11-26 | 2022-06-02 | Avantium Knowledge Centre B.V. | Process and system for the electrochemical reduction of oxalic acid |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE347605C (de) * | 1920-01-25 | 1922-02-06 | Farbenfab Vorm Bayer F & Co | Verfahren zur Herstellung von Glyoxylsaeure aus Oxalsaeure |
FR2151150A5 (de) * | 1971-08-20 | 1973-04-13 | Rhone Poulenc Sa | |
EP0221790A1 (de) * | 1985-09-10 | 1987-05-13 | SOCIETE FRANCAISE HOECHST Société anonyme dite: | Verfahren zur Herstellung von Glyoxylsäure durch elektrochemische Reduktion von Oxalsäure |
WO1991019832A1 (es) * | 1990-06-12 | 1991-12-26 | Ercros S.A. | Procedimiento de obtencion de acido glioxilico por electroreduccion, con reactivacion catodica, de acido oxalico |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE787771A (fr) * | 1971-08-20 | 1973-02-19 | Rhone Poulenc Sa | Preparation d'acide glyoxylique |
FR2208876B2 (de) * | 1972-12-01 | 1976-06-04 | Rhone Poulenc Ind | |
DE3607446A1 (de) * | 1986-03-07 | 1987-09-10 | Hoechst Ag | Verfahren zur enthalogenierung von chlor- und von bromessigsaeuren |
-
1992
- 1992-05-26 DE DE4217338A patent/DE4217338C2/de not_active Expired - Fee Related
-
1993
- 1993-05-18 AT AT93108108T patent/ATE134224T1/de not_active IP Right Cessation
- 1993-05-18 EP EP93108108A patent/EP0578946B1/de not_active Expired - Lifetime
- 1993-05-18 DE DE59301621T patent/DE59301621D1/de not_active Expired - Fee Related
- 1993-05-24 BR BR9302036A patent/BR9302036A/pt not_active Application Discontinuation
- 1993-05-24 US US08/066,533 patent/US5395488A/en not_active Expired - Fee Related
- 1993-05-25 CA CA002096901A patent/CA2096901A1/en not_active Abandoned
- 1993-05-25 JP JP5122838A patent/JPH0657471A/ja not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE347605C (de) * | 1920-01-25 | 1922-02-06 | Farbenfab Vorm Bayer F & Co | Verfahren zur Herstellung von Glyoxylsaeure aus Oxalsaeure |
FR2151150A5 (de) * | 1971-08-20 | 1973-04-13 | Rhone Poulenc Sa | |
EP0221790A1 (de) * | 1985-09-10 | 1987-05-13 | SOCIETE FRANCAISE HOECHST Société anonyme dite: | Verfahren zur Herstellung von Glyoxylsäure durch elektrochemische Reduktion von Oxalsäure |
US4692226A (en) * | 1985-09-10 | 1987-09-08 | Societe Francaise Hoechst | Process to manufacture glyoxylic acid by electrochemical reduction of oxalic acid |
WO1991019832A1 (es) * | 1990-06-12 | 1991-12-26 | Ercros S.A. | Procedimiento de obtencion de acido glioxilico por electroreduccion, con reactivacion catodica, de acido oxalico |
Also Published As
Publication number | Publication date |
---|---|
DE59301621D1 (de) | 1996-03-28 |
DE4217338C2 (de) | 1994-09-01 |
ATE134224T1 (de) | 1996-02-15 |
DE4217338A1 (de) | 1993-12-02 |
JPH0657471A (ja) | 1994-03-01 |
BR9302036A (pt) | 1993-11-30 |
EP0578946A2 (de) | 1994-01-19 |
US5395488A (en) | 1995-03-07 |
CA2096901A1 (en) | 1993-11-27 |
EP0578946B1 (de) | 1996-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2148215A1 (en) | Nanocrystalline metals | |
EP0578946A3 (de) | Elektrochemisches Verfahren zur Reduktion von Oxalsäure zu Glyoxylsäure | |
US5423957A (en) | Electrolytic process for dissolving platinum, platinum metal impurities and/or platinum metal alloys | |
AU583980B2 (en) | Process for the dehalogenation of chloroacetic and bromoacetic acids | |
ZA938995B (en) | Electrolytical process for extracting platinum of high purity from platinum alloys. | |
DE3663692D1 (en) | Process for the electrosynthesis of ketones | |
AU591080B2 (en) | Electrolytic process for the preparation of rare earths or alloys thereof and apparatus for carrying out the process | |
US4477320A (en) | Method of preparing electrolytic manganese dioxide | |
Nidola | Electrode materials for oxygen evolution cobalt treated lead vs. commercial lead and lead alloys | |
JPH05208813A (ja) | ポリ塩化アルミニウム溶液中のAl/Cl−モル比を高める方法 | |
GB1452907A (en) | Preconditioning of anodes for the electro-winning of copper from electrolytes having a high free acid content | |
KR930702555A (ko) | 할로겐화된 아크릴산의 제조방법 | |
US2986502A (en) | Purification of titanium | |
ZA938994B (en) | Electrolytical process for extracting platinum of high purity from contaminated platinum. | |
US2784153A (en) | Electrodeposition of chromium | |
JPS57110646A (en) | High-purity aluminum alloy foil for anode of electrolytic capacitor | |
JPS6217492Y2 (de) | ||
US3098019A (en) | Electrolytic production of zinc | |
RU2000105358A (ru) | Способ извлечения золота из золотосодержащих полиметаллических материалов | |
GB1224855A (en) | PROCESS FOR THE REDUCTIVE CLEAVAGE OF SULPHONIC ACID GROUPS FROM ANTHRAQUINONE-beta-SULPHONIC ACIDS | |
CA1219552A (en) | Low oxygen overvoltage lead anodes | |
JPS6431987A (en) | Electrolytic refining method for copper | |
US20030106806A1 (en) | Electrochemical process for preparation of zinc metal | |
GB2046792A (en) | Gold plating bath and method of plating | |
RU92006750A (ru) | Алюминиевый сплав для анодов химических источников тока |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR GB IT LI NL |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI NL |
|
17P | Request for examination filed |
Effective date: 19940610 |
|
17Q | First examination report despatched |
Effective date: 19941223 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI NL |
|
REF | Corresponds to: |
Ref document number: 134224 Country of ref document: AT Date of ref document: 19960215 Kind code of ref document: T |
|
REF | Corresponds to: |
Ref document number: 59301621 Country of ref document: DE Date of ref document: 19960328 |
|
ITF | It: translation for a ep patent filed |
Owner name: ING. C. GREGORJ S.P.A. |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19960411 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19960417 Year of fee payment: 5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 19960424 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 19960430 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19960510 Year of fee payment: 4 |
|
ET | Fr: translation filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19960502 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19960715 Year of fee payment: 4 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19970518 Ref country code: AT Effective date: 19970518 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19970531 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19970531 Ref country code: BE Effective date: 19970531 |
|
BERE | Be: lapsed |
Owner name: HOECHST A.G. Effective date: 19970531 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19970518 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980203 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19981201 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 19981201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050518 |