NL6818728A - - Google Patents
Info
- Publication number
- NL6818728A NL6818728A NL6818728A NL6818728A NL6818728A NL 6818728 A NL6818728 A NL 6818728A NL 6818728 A NL6818728 A NL 6818728A NL 6818728 A NL6818728 A NL 6818728A NL 6818728 A NL6818728 A NL 6818728A
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL6818728A true NL6818728A (de) | 1969-07-01 |
Family
ID=13821643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6818728A NL6818728A (de) | 1967-12-28 | 1968-12-27 |
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 (4)
| 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 |
| US20230312451A1 (en) * | 2020-06-26 | 2023-10-05 | Korea Research Institute Of Chemical Technology | Efficient depolymerization method of polymers comprising ester functional group, and purification method thereof |
| FR3130804B1 (fr) * | 2021-12-17 | 2025-09-26 | Ifp Energies Now | Bis(2-hydroxyethyle) terephtalate ayant une teneur en azote faible |
| NL2035060B1 (en) * | 2023-06-09 | 2024-12-19 | Ioniqa Tech B V | A method of recovering polyurethane polymer from a waste polymer textile material that comprises polyester and polyurethane fibers |
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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 DE DE19681817282 patent/DE1817282B2/de active Granted
- 1968-12-27 BE BE726121D patent/BE726121A/xx unknown
- 1968-12-27 NL NL6818728A patent/NL6818728A/xx not_active Application Discontinuation
- 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 |
|---|---|
| DE1817282A1 (de) | 1969-08-14 |
| US3769323A (en) | 1973-10-30 |
| DE1817282B2 (de) | 1976-11-11 |
| BE726121A (de) | 1969-05-29 |
| CH513797A (de) | 1971-10-15 |
| GB1247550A (en) | 1971-09-22 |
| FR1604949A (de) | 1971-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |