CH513797A - Verfahren zur Reinigung von rohem bis-(B-Hydroxyäthyl)-terephthalat - Google Patents
Verfahren zur Reinigung von rohem bis-(B-Hydroxyäthyl)-terephthalatInfo
- Publication number
- CH513797A CH513797A CH1937168A CH1937168A CH513797A CH 513797 A CH513797 A CH 513797A CH 1937168 A CH1937168 A CH 1937168A CH 1937168 A CH1937168 A CH 1937168A CH 513797 A CH513797 A CH 513797A
- Authority
- CH
- Switzerland
- Prior art keywords
- hydroxyethyl
- terephthalate
- purification
- crude bis
- crude
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
- C07C67/26—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
-
- 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 |
---|---|---|---|
JP8412067 | 1967-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH513797A true CH513797A (de) | 1971-10-15 |
Family
ID=13821643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1937168A CH513797A (de) | 1967-12-28 | 1961-12-30 | Verfahren zur Reinigung von rohem bis-(B-Hydroxyäthyl)-terephthalat |
Country Status (7)
Country | Link |
---|---|
US (1) | US3769323A (de) |
BE (1) | BE726121A (de) |
CH (1) | CH513797A (de) |
DE (1) | DE1817282B2 (de) |
FR (1) | FR1604949A (de) |
GB (1) | GB1247550A (de) |
NL (1) | NL6818728A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4745211A (en) * | 1987-09-15 | 1988-05-17 | Eastman Kodak Company | Process for the preparation of purified bis(2-hydroxyethyl) ester of 2,6-naphthalenedicarboxylic acid |
FR3130804A1 (fr) * | 2021-12-17 | 2023-06-23 | IFP Energies Nouvelles | Bis(2-hydroxyethyle) terephtalate ayant une teneur en azote faible |
-
1961
- 1961-12-30 CH CH1937168A patent/CH513797A/de not_active IP Right Cessation
-
1968
- 1968-12-23 GB GB61183/68A patent/GB1247550A/en not_active Expired
- 1968-12-27 BE BE726121D patent/BE726121A/xx unknown
- 1968-12-27 NL NL6818728A patent/NL6818728A/xx not_active Application Discontinuation
- 1968-12-27 DE DE19681817282 patent/DE1817282B2/de active Granted
- 1968-12-30 FR FR1604949D patent/FR1604949A/fr not_active Expired
-
1971
- 1971-10-20 US US00191037A patent/US3769323A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL6818728A (de) | 1969-07-01 |
BE726121A (de) | 1969-05-29 |
DE1817282A1 (de) | 1969-08-14 |
FR1604949A (de) | 1971-05-15 |
US3769323A (en) | 1973-10-30 |
DE1817282B2 (de) | 1976-11-11 |
GB1247550A (en) | 1971-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |