DE2240317B2 - - Google Patents
Info
- Publication number
- DE2240317B2 DE2240317B2 DE2240317A DE2240317A DE2240317B2 DE 2240317 B2 DE2240317 B2 DE 2240317B2 DE 2240317 A DE2240317 A DE 2240317A DE 2240317 A DE2240317 A DE 2240317A DE 2240317 B2 DE2240317 B2 DE 2240317B2
- Authority
- DE
- Germany
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6385971A JPS5025462B2 (OSRAM) | 1971-08-21 | 1971-08-21 | |
| JP46068059A JPS5215B2 (OSRAM) | 1971-09-06 | 1971-09-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2240317A1 DE2240317A1 (de) | 1973-03-01 |
| DE2240317B2 true DE2240317B2 (OSRAM) | 1974-11-21 |
| DE2240317C3 DE2240317C3 (de) | 1975-07-10 |
Family
ID=26404994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2240317A Expired DE2240317C3 (de) | 1971-08-21 | 1972-08-16 | Verfahren zur Wiedergewinnung erneut einsetzbarer palladiumhaltiger Katalysatoren aus flüssigen Reaktionsgemischen, die bei der Herstellung von Essigsäurearylestern anfallen |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3875020A (OSRAM) |
| DE (1) | DE2240317C3 (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4515983A (en) * | 1983-06-30 | 1985-05-07 | Ashland Oil, Inc. | Manufacture of phenyl esters and phenol |
| EP0244841B1 (en) * | 1986-05-07 | 1992-03-18 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Surface active compounds having a polymerizable moiety |
| DE10024239C1 (de) * | 2000-05-15 | 2001-09-20 | Atotech Deutschland Gmbh | Verfahren zum galvanotechnischen Behandeln von Werkstücken mit einer Palladiumkolloidlösung |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2081721A (en) * | 1934-06-22 | 1937-05-25 | Shell Dev | Solvent extraction process |
| US3324156A (en) * | 1961-12-22 | 1967-06-06 | Gulf Research Development Co | Purification of esters |
| US3600429A (en) * | 1966-12-19 | 1971-08-17 | Bayer Ag | Production of organic esters in the presence of palladium on an alumina support in spinel form |
| US3542852A (en) * | 1966-12-19 | 1970-11-24 | Gulf Research Development Co | Process for the preparation of aromatic esters |
| US3394057A (en) * | 1967-09-12 | 1968-07-23 | Nat Distillers Chem Corp | Separation of vinyl acetate from cyclohexane by extractive distillation |
| FR1575909A (OSRAM) * | 1968-06-12 | 1969-07-25 | ||
| US3616271A (en) * | 1968-10-25 | 1971-10-26 | Du Pont | Separation of chloroform and/or ethyl acetate from vinyl acetate by extractive distillation |
-
1972
- 1972-08-16 DE DE2240317A patent/DE2240317C3/de not_active Expired
- 1972-08-17 US US281452A patent/US3875020A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2240317C3 (de) | 1975-07-10 |
| US3875020A (en) | 1975-04-01 |
| DE2240317A1 (de) | 1973-03-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |