NL257583A - - Google Patents
Info
- Publication number
- NL257583A NL257583A NL257583DA NL257583A NL 257583 A NL257583 A NL 257583A NL 257583D A NL257583D A NL 257583DA NL 257583 A NL257583 A NL 257583A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
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 |
|---|---|---|---|
| DEB55450A DE1168884B (de) | 1959-11-07 | 1959-11-07 | Verfahren zur Entfernung von Verunreinigungen aus gesaettigten aliphatischen Dinitrilen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL257583A true NL257583A (https=) |
Family
ID=6970995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257583D NL257583A (https=) | 1959-11-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3223724A (https=) |
| DE (1) | DE1168884B (https=) |
| FR (1) | FR1272896A (https=) |
| GB (1) | GB905121A (https=) |
| NL (1) | NL257583A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11028045B2 (en) | 2016-05-02 | 2021-06-08 | Inv Nylon Chemicals Americas, Llc | Process for reducing CPI in a dinitrile stream |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2242309A (en) * | 1938-03-23 | 1941-05-20 | Du Pont | Process for purifying nitriles |
| US2305103A (en) * | 1941-05-20 | 1942-12-15 | Du Pont | Purification of nitriles |
| GB731458A (en) * | 1951-12-06 | 1955-06-08 | Basf Ag | Improvements in the production of pure adipic acid dinitrile |
| US2768132A (en) * | 1954-09-13 | 1956-10-23 | Du Pont | Process for purification of an adiponitrile |
-
0
- NL NL257583D patent/NL257583A/xx unknown
-
1959
- 1959-11-07 DE DEB55450A patent/DE1168884B/de active Pending
-
1960
- 1960-11-01 US US66430A patent/US3223724A/en not_active Expired - Lifetime
- 1960-11-02 GB GB37623/60A patent/GB905121A/en not_active Expired
- 1960-11-07 FR FR843174A patent/FR1272896A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3223724A (en) | 1965-12-14 |
| DE1168884B (de) | 1964-04-30 |
| GB905121A (en) | 1962-09-05 |
| FR1272896A (fr) | 1961-09-29 |