DD98281A5 - - Google Patents
Info
- Publication number
- DD98281A5 DD98281A5 DD165131A DD16513172A DD98281A5 DD 98281 A5 DD98281 A5 DD 98281A5 DD 165131 A DD165131 A DD 165131A DD 16513172 A DD16513172 A DD 16513172A DD 98281 A5 DD98281 A5 DD 98281A5
- Authority
- DD
- German Democratic Republic
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7130395A FR2151150A5 (de) | 1971-08-20 | 1971-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD98281A5 true DD98281A5 (de) | 1973-06-12 |
Family
ID=9082084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD165131A DD98281A5 (de) | 1971-08-20 | 1972-08-18 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3779876A (de) |
| JP (1) | JPS4829720A (de) |
| AT (1) | AT326624B (de) |
| BE (1) | BE787770A (de) |
| BR (1) | BR7205614D0 (de) |
| CA (1) | CA974477A (de) |
| CH (1) | CH541535A (de) |
| DD (1) | DD98281A5 (de) |
| DE (1) | DE2240731C3 (de) |
| FR (1) | FR2151150A5 (de) |
| GB (1) | GB1364761A (de) |
| IT (1) | IT964101B (de) |
| NL (1) | NL7211021A (de) |
Families Citing this family (9)
| 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 |
| DE4205423C1 (de) * | 1992-02-22 | 1993-09-30 | Hoechst Ag | Elektrochemisches Verfahren zur Herstellung von Glyoxylsäure |
| EP0627020B1 (de) * | 1992-02-22 | 1996-05-22 | Hoechst Aktiengesellschaft | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE194038C (de) * | 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 |
-
0
- BE BE787770D patent/BE787770A/xx unknown
-
1971
- 1971-08-20 FR FR7130395A patent/FR2151150A5/fr not_active Expired
-
1972
- 1972-08-11 NL NL7211021A patent/NL7211021A/xx unknown
- 1972-08-17 BR BR005614/72A patent/BR7205614D0/pt unknown
- 1972-08-17 JP JP47081858A patent/JPS4829720A/ja active Pending
- 1972-08-18 GB GB3872472A patent/GB1364761A/en not_active Expired
- 1972-08-18 AT AT716372A patent/AT326624B/de not_active IP Right Cessation
- 1972-08-18 DD DD165131A patent/DD98281A5/xx unknown
- 1972-08-18 CA CA149,775A patent/CA974477A/en not_active Expired
- 1972-08-18 CH CH1226672A patent/CH541535A/fr not_active IP Right Cessation
- 1972-08-18 US US00281742A patent/US3779876A/en not_active Expired - Lifetime
- 1972-08-18 DE DE2240731A patent/DE2240731C3/de not_active Expired
- 1972-08-19 IT IT28322/72A patent/IT964101B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4829720A (de) | 1973-04-19 |
| NL7211021A (de) | 1973-02-22 |
| DE2240731A1 (de) | 1973-03-01 |
| DE2240731C3 (de) | 1981-04-02 |
| DE2240731B2 (de) | 1974-04-04 |
| IT964101B (it) | 1974-01-21 |
| BE787770A (fr) | 1973-02-19 |
| BR7205614D0 (pt) | 1973-08-23 |
| ATA716372A (de) | 1975-03-15 |
| AT326624B (de) | 1975-12-29 |
| FR2151150A5 (de) | 1973-04-13 |
| US3779876A (en) | 1973-12-18 |
| CH541535A (fr) | 1973-09-15 |
| CA974477A (en) | 1975-09-16 |
| GB1364761A (en) | 1974-08-29 |