PL70344B1 - - Google Patents
Info
- Publication number
- PL70344B1 PL70344B1 PL15127471A PL15127471A PL70344B1 PL 70344 B1 PL70344 B1 PL 70344B1 PL 15127471 A PL15127471 A PL 15127471A PL 15127471 A PL15127471 A PL 15127471A PL 70344 B1 PL70344 B1 PL 70344B1
- Authority
- PL
- Poland
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
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- 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15127471A PL70344B1 (en) | 1971-10-28 | 1971-10-28 | |
| DE19722249605 DE2249605B2 (en) | 1971-10-28 | 1972-10-10 | PROCESS FOR THE RECOVERY OF COBALT |
| RO7200072586A RO63832A (en) | 1971-10-28 | 1972-10-20 | METHOD FOR RECOVERING COBALT FROM RESIDUES IN THE PREPARATION OF DIMETHYL TEREPHTHALATE |
| BG7221725A BG27881A3 (en) | 1971-10-28 | 1972-10-26 | Method of cobalt regenerating from destilation waste products by the dimethyltereptalate production |
| CS7236A CS168009B2 (en) | 1971-10-28 | 1972-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15127471A PL70344B1 (en) | 1971-10-28 | 1971-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL70344B1 true PL70344B1 (en) | 1974-02-28 |
Family
ID=19956062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15127471A PL70344B1 (en) | 1971-10-28 | 1971-10-28 |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG27881A3 (en) |
| CS (1) | CS168009B2 (en) |
| DE (1) | DE2249605B2 (en) |
| PL (1) | PL70344B1 (en) |
| RO (1) | RO63832A (en) |
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 (en) * | 1980-12-02 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Process for the recovery and reuse of heavy metal oxidation catalyst from residues in the Witten DMT process |
| US4459365A (en) * | 1981-05-29 | 1984-07-10 | Mitsubishi Gas Chemical Company, Inc. | Method of recovering a catalytic metal |
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1971
- 1971-10-28 PL PL15127471A patent/PL70344B1/xx unknown
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1972
- 1972-10-10 DE DE19722249605 patent/DE2249605B2/en not_active Withdrawn
- 1972-10-20 RO RO7200072586A patent/RO63832A/en unknown
- 1972-10-26 BG BG7221725A patent/BG27881A3/en unknown
- 1972-10-27 CS CS7236A patent/CS168009B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG27881A3 (en) | 1980-01-15 |
| DE2249605B2 (en) | 1977-02-03 |
| RO63832A (en) | 1978-12-15 |
| CS168009B2 (en) | 1976-05-28 |
| DE2249605A1 (en) | 1973-05-10 |