NL250177A - - Google Patents
Info
- Publication number
- NL250177A NL250177A NL250177DA NL250177A NL 250177 A NL250177 A NL 250177A NL 250177D A NL250177D A NL 250177DA NL 250177 A NL250177 A NL 250177A
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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 |
|---|---|---|---|
| US80410459A | 1959-04-06 | 1959-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL250177A true NL250177A (zh) |
Family
ID=25188192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL250177D NL250177A (zh) | 1959-04-06 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH395958A (zh) |
| DE (1) | DE1140922B (zh) |
| GB (1) | GB881460A (zh) |
| NL (1) | NL250177A (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050312A (zh) * | 1964-05-13 | |||
| 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 |
| US5767311A (en) | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
| US5929274A (en) | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
| US6013835A (en) | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
-
0
- NL NL250177D patent/NL250177A/xx unknown
-
1960
- 1960-03-10 GB GB852360A patent/GB881460A/en not_active Expired
- 1960-03-29 CH CH352260A patent/CH395958A/fr unknown
- 1960-04-05 DE DEC21139A patent/DE1140922B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB881460A (en) | 1961-11-01 |
| DE1140922B (de) | 1962-12-13 |
| CH395958A (fr) | 1965-07-31 |