Patent US3060179A successfully refreshed from Google Patents.
US3060179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of aromatic nitriles
Assignee: —
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Filing: —
•
Granted: 1962-10-23
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Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:15
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/02; C08G18/022; B; B01; B01J; B01J27/00; B01J27/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
PROCESS FOR PREPARING A 1,3,5-TRIAZINE FROM AN AROMATIC NOTRILE SELECTED FROM THE GROUP CONSISTING OF BENZONITRILE, ORTHOPTHALONITRILE, ISOPHATHALONITRILE AND TEREPHTHALONITRILE, WHICH COMPRISES HEATING THE AROMATIC NITRILE TO A TEMPERATURE IN THE RANGE 200*-400*C. IN THE PRESSENCE OF A METAL SALT CATALYST SOLUBLE IN THE NITRILE IN AN AMOUNT OF AT LEAST 0.01%, BY WEIGHT, AT THE SPECIFIED TEMPERATURE RANGE, THE CATALYST CONSISTING OF A SALT SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDE, BROMIDE AND ACETATE OF A MATAL SELECTED FROM THE GROUP CONSISTING OF COPPER, MANGANESE AND COBALT.
Claim 2
Dependent Claim
89 words
PROCESS FOR PREPARING A 1,3,5-TRIAZINE FROM AN AROMATIC NOTRILE SELECTED FROM THE GROUP CONSISTING OF BENZONITRILE, ORTHOPTHALONITRILE, ISOPHATHALONITRILE AND TEREPHTHALONITRILE, WHICH COMPRISES HEATING THE AROMATIC NITRILE TO A TEMPERATURE IN THE RANGE 200*-400*C. IN THE PRESSENCE OF A METAL SALT CATALYST SOLUBLE IN THE NITRILE IN AN AMOUNT OF AT LEAST 0.01%, BY WEIGHT, AT THE SPECIFIED TEMPERATURE RANGE, THE CATALYST CONSISTING OF A SALT SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDE, BROMIDE AND ACETATE OF A MATAL SELECTED FROM THE GROUP CONSISTING OF COPPER, MANGANESE AND COBALT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |