NL97509C - - Google Patents
Info
- Publication number
- NL97509C NL97509C NL97509DA NL97509C NL 97509 C NL97509 C NL 97509C NL 97509D A NL97509D A NL 97509DA NL 97509 C NL97509 C NL 97509C
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2879288X | 1954-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL97509C true NL97509C (de) |
Family
ID=8000291
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL97509D NL97509C (de) | 1954-08-12 | ||
| NL196775D NL196775A (de) | 1954-08-12 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL196775D NL196775A (de) | 1954-08-12 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2879288A (de) |
| NL (2) | NL196775A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3047621A (en) * | 1962-07-31 | Purification of phthalic acids | ||
| US3051742A (en) * | 1957-11-30 | 1962-08-28 | Hoechst Ag | beta-hydroxy-butyric acid amide derivatives and process of preparing them |
| US3021363A (en) * | 1958-06-05 | 1962-02-13 | American Cyanamid Co | Purification of bis-(caroxyphenyl)-alkanes by permanganate oxidation |
| US3043872A (en) * | 1958-11-07 | 1962-07-10 | Union Carbide Corp | Decolorization method for pimelic acid |
| US3042708A (en) * | 1959-12-11 | 1962-07-03 | Sun Oil Co | Separation of esters of naphthalene |
| DE2247749C3 (de) * | 1972-09-29 | 1980-02-14 | Chemische Fabrik Kalk Gmbh, 5000 Koeln | Verfahren zur Reinigung von roher Terephthalsäure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB635008A (en) * | 1947-04-22 | 1950-03-29 | Leonard Bayliffe Henderson | Improvements in taper swaging rolling mills |
| NL69391C (de) * | 1950-03-28 | |||
| US2640075A (en) * | 1950-04-01 | 1953-05-26 | Directie Staatsmijnen Nl | Manufacture of polycarboxylic acids |
| US2726262A (en) * | 1950-08-24 | 1955-12-06 | Bergwerksverband Gmbh | Process for the preparation and purification of monocyclic aromatic polycarboxylic acids or mixtures thereof |
| US2785198A (en) * | 1952-02-02 | 1957-03-12 | Grosskinsky Otto | Process of producing polycarboxylic acids |
-
0
- NL NL97509D patent/NL97509C/xx active
- NL NL196775D patent/NL196775A/xx unknown
-
1955
- 1955-08-09 US US527406A patent/US2879288A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL196775A (de) | |
| US2879288A (en) | 1959-03-24 |