BE705057A - - Google Patents
Info
- Publication number
- BE705057A BE705057A BE705057DA BE705057A BE 705057 A BE705057 A BE 705057A BE 705057D A BE705057D A BE 705057DA BE 705057 A BE705057 A BE 705057A
- Authority
- BE
- Belgium
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
- C07C63/307—Monocyclic tricarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED0051368 | 1966-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE705057A true BE705057A (xx) | 1968-02-15 |
Family
ID=7053328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE705057D BE705057A (xx) | 1966-10-20 | 1967-10-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3551481A (xx) |
| AT (1) | AT272318B (xx) |
| BE (1) | BE705057A (xx) |
| DE (1) | DE1568421A1 (xx) |
| GB (1) | GB1197947A (xx) |
| NL (1) | NL6713228A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2923681C2 (de) * | 1979-06-12 | 1981-11-05 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus dem Wittem-DMT-Prozeß |
-
1966
- 1966-10-20 DE DE19661568421 patent/DE1568421A1/de active Pending
-
1967
- 1967-09-28 NL NL6713228A patent/NL6713228A/xx unknown
- 1967-10-03 AT AT893367A patent/AT272318B/de active
- 1967-10-13 BE BE705057D patent/BE705057A/xx unknown
- 1967-10-20 GB GB47898/67A patent/GB1197947A/en not_active Expired
- 1967-10-20 US US676720A patent/US3551481A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT272318B (de) | 1969-07-10 |
| GB1197947A (en) | 1970-07-08 |
| US3551481A (en) | 1970-12-29 |
| DE1568421A1 (de) | 1970-03-19 |
| NL6713228A (xx) | 1968-04-22 |