CS157061B2 - - Google Patents
Info
- Publication number
- CS157061B2 CS157061B2 CS308669A CS308669A CS157061B2 CS 157061 B2 CS157061 B2 CS 157061B2 CS 308669 A CS308669 A CS 308669A CS 308669 A CS308669 A CS 308669A CS 157061 B2 CS157061 B2 CS 157061B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH696468A CH493473A (de) | 1968-05-09 | 1968-05-09 | Verfahren zur Herstellung von Malonsäuredinitril |
| CH905968A CH493475A (de) | 1968-06-18 | 1968-06-18 | Verfahren zur Reinigung von Malonsäuredinitril |
| CH938368A CH493474A (de) | 1968-06-24 | 1968-06-24 | Verfahren zur Reinigung von Malonsäuredinitril |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS157061B2 true CS157061B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-08-23 |
Family
ID=27175654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS308669A CS157061B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-05-09 | 1969-04-30 |
Country Status (12)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4136108A (en) * | 1968-04-05 | 1979-01-23 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Process for the production of malononitrile |
| US3975422A (en) * | 1972-11-21 | 1976-08-17 | Johnson & Johnson | Preparation of bis (2-cyanoacrylate)monomers |
| DE2260126C2 (de) * | 1972-12-08 | 1983-12-01 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von reinem, stabilem Malonsäuredinitril |
| CH582655A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-10-18 | 1976-12-15 | Lonza Ag | |
| US5153351A (en) * | 1992-01-06 | 1992-10-06 | E. I. Du Pont De Nemours And Company | Removal of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with reactive methylene compounds |
| US5312959A (en) * | 1993-07-12 | 1994-05-17 | E. I. Du Pont De Nemours And Company | Purification of 2-methylglutaronitrile or adiponitrile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2799697A (en) * | 1954-09-15 | 1957-07-16 | Chase Chemical Company | Process for the manufacture and purification of malononitrile |
| US2809986A (en) * | 1955-11-17 | 1957-10-15 | Kay Fries Chemicals Inc | Method for the purification of malononitrile |
| US3206500A (en) * | 1962-11-30 | 1965-09-14 | Exxon Research Engineering Co | Separation of acrylonitrile |
| US3322814A (en) * | 1964-09-10 | 1967-05-30 | Universal Oil Prod Co | Purification of nitriles |
| US3417126A (en) * | 1966-01-14 | 1968-12-17 | Nissan Chemical Ind Ltd | Method of producing malononitrile |
| US3541133A (en) * | 1969-04-03 | 1970-11-17 | Little Inc A | Method for synthesizing malononitrile |
| US3616269A (en) * | 1969-07-10 | 1971-10-26 | Ashland Oil Inc | Method for the purification of malononitrile by the addition of cyclopentadiene followed by distillation |
-
1969
- 1969-04-30 CS CS308669A patent/CS157061B2/cs unknown
- 1969-05-06 RO RO59900A patent/RO56619A/ro unknown
- 1969-05-06 ES ES366851A patent/ES366851A1/es not_active Expired
- 1969-05-07 YU YU1127/69A patent/YU32949B/xx unknown
- 1969-05-07 FR FR6914577A patent/FR2008128A1/fr not_active Withdrawn
- 1969-05-07 BE BE732687D patent/BE732687A/xx not_active IP Right Cessation
- 1969-05-07 US US822724A patent/US3655721A/en not_active Expired - Lifetime
- 1969-05-08 SE SE7115884A patent/SE385474B/xx unknown
- 1969-05-08 SE SE7115883A patent/SE385473B/xx unknown
- 1969-05-08 NO NO1898/69A patent/NO130584C/no unknown
- 1969-05-08 JP JP44034898A patent/JPS50646B1/ja active Pending
- 1969-05-09 NL NL6907129.A patent/NL164553C/xx not_active IP Right Cessation
- 1969-05-09 GB GB23712/69A patent/GB1222343A/en not_active Expired
-
1971
- 1971-04-26 US US00137593A patent/US3742020A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1921662A1 (de) | 1969-11-13 |
| NO130584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-01-08 |
| SE385473B (sv) | 1976-07-05 |
| GB1222343A (en) | 1971-02-10 |
| SE385474B (sv) | 1976-07-05 |
| NL164553B (nl) | 1980-08-15 |
| YU32949B (en) | 1975-12-31 |
| YU112769A (en) | 1975-06-30 |
| NO130584B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-09-30 |
| US3742020A (en) | 1973-06-26 |
| FR2008128A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-01-16 |
| US3655721A (en) | 1972-04-11 |
| BE732687A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-10-16 |
| JPS50646B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-01-10 |
| NL6907129A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-11-11 |
| DE1921662B2 (de) | 1976-02-19 |
| NL164553C (nl) | 1981-01-15 |
| RO56619A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-29 |
| ES366851A1 (es) | 1971-06-16 |