BE673994A - - Google Patents
Info
- Publication number
- BE673994A BE673994A BE673994A BE673994A BE673994A BE 673994 A BE673994 A BE 673994A BE 673994 A BE673994 A BE 673994A BE 673994 A BE673994 A BE 673994A BE 673994 A BE673994 A BE 673994A
- Authority
- BE
- Belgium
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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/07—Processes using organic exchangers in the weakly basic form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US419540A US3371112A (en) | 1964-12-18 | 1964-12-18 | Purification of crude malic acid liquors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE673994A true BE673994A (cg-RX-API-DMAC7.html) | 1966-04-15 |
Family
ID=23662703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE673994A BE673994A (cg-RX-API-DMAC7.html) | 1964-12-18 | 1965-12-07 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3371112A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5011365B1 (cg-RX-API-DMAC7.html) |
| BE (1) | BE673994A (cg-RX-API-DMAC7.html) |
| CH (1) | CH462133A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1518522C3 (cg-RX-API-DMAC7.html) |
| ES (1) | ES320085A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR1464229A (cg-RX-API-DMAC7.html) |
| GB (1) | GB1069818A (cg-RX-API-DMAC7.html) |
| IL (1) | IL24697A (cg-RX-API-DMAC7.html) |
| NL (1) | NL6516182A (cg-RX-API-DMAC7.html) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983170A (en) * | 1974-12-06 | 1976-09-28 | International Organics, Inc. | Process for the purification of malic acid |
| DE3247981A1 (de) * | 1982-12-24 | 1984-06-28 | Degussa Ag, 6000 Frankfurt | Verfahren zur gewinnung von l-aepfelsaeure |
| DE3434918A1 (de) * | 1984-09-22 | 1986-04-03 | Hüls AG, 4370 Marl | Verfahren zur gewinnung von l-aepfelsaeure |
| US4902829A (en) * | 1988-11-16 | 1990-02-20 | Uop | Process for the adsorptive separation of hydroxy paraffinic dicarboxylic acids from olefinic dicarboxylic acids |
| US5675021A (en) * | 1992-03-19 | 1997-10-07 | Chronopol, Inc. | Method to produce and purify cyclic esters |
| US5686630A (en) * | 1993-09-29 | 1997-11-11 | Chronopol, Inc. | Purifying cyclic esters by aqueous solvent extraction |
| US5420304A (en) * | 1992-03-19 | 1995-05-30 | Biopak Technology, Ltd. | Method to produce cyclic esters |
| US5434301A (en) * | 1993-09-01 | 1995-07-18 | Henkel Corporation | Methods for recovery of acids |
| DE4430010C1 (de) * | 1994-08-24 | 1996-01-04 | Amino Gmbh | Verfahren zur Abtrennung von Fumarsäure, Maleinsäure und/oder Bernsteinsäure von einem Hauptbestandteil Äpfelsäure |
| CN1231414C (zh) * | 2000-05-24 | 2005-12-14 | 活力韩国株式会社 | 中孔碳材料,碳/金属氧化物复合材料和使用它们的电化学电容器 |
| CN118206446B (zh) * | 2024-02-21 | 2026-03-24 | 安徽丰原发酵技术工程研究有限公司 | 一种从丁二酸中去除杂质的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB476109A (en) * | 1936-05-28 | 1937-11-29 | Anna Weizmann | Improvements in and relating to the production of malic acid and its compounds |
| US2415558A (en) * | 1942-02-02 | 1947-02-11 | Infilco Inc | Preparation of acids |
| NL266014A (cg-RX-API-DMAC7.html) * | 1960-06-17 |
-
1964
- 1964-12-18 US US419540A patent/US3371112A/en not_active Expired - Lifetime
-
1965
- 1965-11-24 GB GB49935/65A patent/GB1069818A/en not_active Expired
- 1965-11-27 ES ES0320085A patent/ES320085A1/es not_active Expired
- 1965-11-29 IL IL24697A patent/IL24697A/xx unknown
- 1965-12-03 JP JP40073933A patent/JPS5011365B1/ja active Pending
- 1965-12-06 CH CH1678265A patent/CH462133A/de unknown
- 1965-12-07 BE BE673994A patent/BE673994A/xx unknown
- 1965-12-08 FR FR41430A patent/FR1464229A/fr not_active Expired
- 1965-12-13 NL NL6516182A patent/NL6516182A/xx unknown
- 1965-12-17 DE DE1518522A patent/DE1518522C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH462133A (de) | 1968-09-15 |
| DE1518522B2 (cg-RX-API-DMAC7.html) | 1974-09-19 |
| JPS5011365B1 (cg-RX-API-DMAC7.html) | 1975-04-30 |
| ES320085A1 (es) | 1966-05-01 |
| NL6516182A (cg-RX-API-DMAC7.html) | 1966-06-20 |
| FR1464229A (fr) | 1966-12-30 |
| US3371112A (en) | 1968-02-27 |
| IL24697A (en) | 1969-07-30 |
| DE1518522A1 (de) | 1969-06-12 |
| DE1518522C3 (de) | 1975-05-22 |
| GB1069818A (en) | 1967-05-24 |