NL6414383A - - Google Patents
Info
- Publication number
- NL6414383A NL6414383A NL6414383A NL6414383A NL6414383A NL 6414383 A NL6414383 A NL 6414383A NL 6414383 A NL6414383 A NL 6414383A NL 6414383 A NL6414383 A NL 6414383A NL 6414383 A NL6414383 A NL 6414383A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32987763A | 1963-12-11 | 1963-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6414383A true NL6414383A (es) | 1965-06-14 |
| NL143900B NL143900B (nl) | 1974-11-15 |
Family
ID=23287402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6414383A NL143900B (nl) | 1963-12-11 | 1964-12-10 | Werkwijze voor het winnen van tereftaalzuur. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4826750B1 (es) |
| BE (1) | BE656940A (es) |
| DE (1) | DE1297092B (es) |
| GB (1) | GB1056319A (es) |
| NL (1) | NL143900B (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52136897U (es) * | 1976-04-12 | 1977-10-18 | ||
| US4675438A (en) * | 1978-11-17 | 1987-06-23 | Amoco Corporation | Direct continuous flow integration of production and purification of high purity iso- or terephthalic acid |
| JP2893860B2 (ja) * | 1990-05-17 | 1999-05-24 | 三菱瓦斯化学株式会社 | 高純度イソフタル酸の製造法 |
| ITBO20150180A1 (it) * | 2015-04-14 | 2016-10-14 | Sacmi Cooperativa Mecc Imola Soc Coop A R L | Apparato e metodo di ispezione ottica di oggetti, in particolare coperchi metallici. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744938A (en) * | 1952-07-24 | 1956-05-08 | Universal Oil Prod Co | Removal of color impurities from organic compounds |
| US2838565A (en) * | 1953-07-17 | 1958-06-10 | Ici Ltd | Purification of terephthalic acid |
| FR1137203A (fr) * | 1954-12-15 | 1957-05-27 | Ici Ltd | Purification de l'acide téréphtalique |
| GB781936A (en) * | 1955-02-25 | 1957-08-28 | Ici Ltd | Purification of terephthalic acid |
| DE1047192B (de) * | 1956-12-21 | 1958-12-24 | Hoechst Ag | Verfahren zur Reinigung von mikrokristalliner Terephthalsaeure durch Kristallvergroesserung |
| GB835721A (en) * | 1957-10-23 | 1960-05-25 | Ici Ltd | Purification of terephthalic acid |
-
0
- BE BE656940D patent/BE656940A/xx unknown
-
1964
- 1964-12-10 GB GB5037364A patent/GB1056319A/en not_active Expired
- 1964-12-10 NL NL6414383A patent/NL143900B/xx not_active IP Right Cessation
- 1964-12-11 DE DEST23071A patent/DE1297092B/de active Pending
- 1964-12-11 JP JP6947564A patent/JPS4826750B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE656940A (es) | |
| DE1297092B (de) | 1969-06-12 |
| NL143900B (nl) | 1974-11-15 |
| JPS4826750B1 (es) | 1973-08-15 |
| GB1056319A (en) | 1967-01-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: STANDARD OIL |
|
| V4 | Lapsed because of reaching the maxim lifetime of a patent |