CH406182A - Verfahren zur Reinigung von Dimethylterephthalat - Google Patents
Verfahren zur Reinigung von DimethylterephthalatInfo
- Publication number
- CH406182A CH406182A CH843461A CH843461A CH406182A CH 406182 A CH406182 A CH 406182A CH 843461 A CH843461 A CH 843461A CH 843461 A CH843461 A CH 843461A CH 406182 A CH406182 A CH 406182A
- Authority
- CH
- Switzerland
- Prior art keywords
- purification
- dimethyl terephthalate
- terephthalate
- dimethyl
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| DEV19159A DE1125417B (de) | 1960-08-09 | 1960-08-09 | Verfahren zur Reinigung von Dimethylterephthalat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH406182A true CH406182A (de) | 1966-01-31 |
Family
ID=7577641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH843461A CH406182A (de) | 1960-08-09 | 1961-07-18 | Verfahren zur Reinigung von Dimethylterephthalat |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE606353A (fr) |
| CH (1) | CH406182A (fr) |
| DE (1) | DE1125417B (fr) |
| FR (1) | FR1296465A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650907A (en) * | 1969-04-23 | 1972-03-21 | Sun Oil Co | Method of separating 2,6-naphthalic acid from 6-formyl-2-naphthoic acid |
| DE2323219A1 (de) * | 1973-05-09 | 1974-11-21 | Hoechst Ag | Verfahren zur reinigung von terephthalsaeuredimethylester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB632447A (en) * | 1947-10-06 | 1949-11-28 | Shell Refining & Marketing Co | Improvements in or relating to the production of neutral phthalates |
-
1960
- 1960-08-09 DE DEV19159A patent/DE1125417B/de active Pending
-
1961
- 1961-07-18 CH CH843461A patent/CH406182A/de unknown
- 1961-07-20 BE BE606353A patent/BE606353A/fr unknown
- 1961-08-01 FR FR869683A patent/FR1296465A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1296465A (fr) | 1962-06-15 |
| BE606353A (fr) | 1961-11-16 |
| DE1125417B (de) | 1962-03-15 |
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