NL245503A - - Google Patents
Info
- Publication number
- NL245503A NL245503A NL245503DA NL245503A NL 245503 A NL245503 A NL 245503A NL 245503D A NL245503D A NL 245503DA NL 245503 A NL245503 A NL 245503A
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77460958A | 1958-11-18 | 1958-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL245503A true NL245503A (en:Method) |
Family
ID=25101755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL245503D NL245503A (en:Method) | 1958-11-18 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE584755A (en:Method) |
| CH (1) | CH388922A (en:Method) |
| DE (1) | DE1117100B (en:Method) |
| FR (1) | FR1244576A (en:Method) |
| GB (1) | GB932246A (en:Method) |
| NL (1) | NL245503A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL276789A (en:Method) | 1961-04-25 | |||
| MX157433A (es) * | 1981-06-12 | 1988-11-23 | Celanese Mexicana Sa | Procedimiento continuo para la obtencion de acido tereftalico y glicol puros,a partir de desperdicios de tereftalato de polietileno |
| US6013835A (en) | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US6054610A (en) | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
| US5929274A (en) | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB695170A (en) * | 1950-09-07 | 1953-08-05 | Bofors Ab | Method of purifying organic compounds |
| DE1025875B (de) * | 1954-08-18 | 1958-03-13 | Basf Ag | Verfahren zur Abtrennung von Begleitstoffen aus kristallinen Stoffen |
| GB777782A (en) * | 1955-06-24 | 1957-06-26 | Ici Ltd | Purification of terephthalic acid |
-
0
- NL NL245503D patent/NL245503A/xx unknown
-
1959
- 1959-11-11 GB GB3830159A patent/GB932246A/en not_active Expired
- 1959-11-16 FR FR810281A patent/FR1244576A/fr not_active Expired
- 1959-11-17 BE BE584755A patent/BE584755A/fr unknown
- 1959-11-17 CH CH8067059A patent/CH388922A/fr unknown
- 1959-11-18 DE DEC20199A patent/DE1117100B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH388922A (fr) | 1965-03-15 |
| BE584755A (fr) | 1960-05-17 |
| DE1117100B (de) | 1961-11-16 |
| FR1244576A (fr) | 1960-10-28 |
| GB932246A (en) | 1963-07-24 |