CS168009B2 - - Google Patents
Info
- Publication number
- CS168009B2 CS168009B2 CS7236A CS723672A CS168009B2 CS 168009 B2 CS168009 B2 CS 168009B2 CS 7236 A CS7236 A CS 7236A CS 723672 A CS723672 A CS 723672A CS 168009 B2 CS168009 B2 CS 168009B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15127471A PL70344B1 (cs) | 1971-10-28 | 1971-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS168009B2 true CS168009B2 (cs) | 1976-05-28 |
Family
ID=19956062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS7236A CS168009B2 (cs) | 1971-10-28 | 1972-10-27 |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG27881A3 (cs) |
| CS (1) | CS168009B2 (cs) |
| DE (1) | DE2249605B2 (cs) |
| PL (1) | PL70344B1 (cs) |
| RO (1) | RO63832A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609634A (en) * | 1980-03-31 | 1986-09-02 | American Hoechst Corporation | High efficiency extraction method for recovering oxidation catalyst material from dimethyl terephthalate esterified oxidate residue and the like |
| DE3045332C2 (de) * | 1980-12-02 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß |
| US4459365A (en) * | 1981-05-29 | 1984-07-10 | Mitsubishi Gas Chemical Company, Inc. | Method of recovering a catalytic metal |
-
1971
- 1971-10-28 PL PL15127471A patent/PL70344B1/xx unknown
-
1972
- 1972-10-10 DE DE19722249605 patent/DE2249605B2/de not_active Withdrawn
- 1972-10-20 RO RO7200072586A patent/RO63832A/ro unknown
- 1972-10-26 BG BG7221725A patent/BG27881A3/xx unknown
- 1972-10-27 CS CS7236A patent/CS168009B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO63832A (fr) | 1978-12-15 |
| DE2249605B2 (de) | 1977-02-03 |
| DE2249605A1 (de) | 1973-05-10 |
| BG27881A3 (en) | 1980-01-15 |
| PL70344B1 (cs) | 1974-02-28 |