US3048619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-alkenyl-n-phenyl carbamates
Assignee: PPG Industries Inc
•
Filing: 1958-11-14
•
Granted: 1962-08-07
•
Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Blaine O Pray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:24
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AN ESTER OF N-ALKENYL N-PHENLCARBAMIC ACID AND A MONOMHYDRIC ALIPHATIC ALCOHOL HAVONG 2 TO 10 CARBON ATOMS, SAID ALKENYL GROUP BEING A HYDROCARBON CHAIN HAVING 2 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
30 words
AN ESTER OF N-ALKENYL N-PHENLCARBAMIC ACID AND A MONOMHYDRIC ALIPHATIC ALCOHOL HAVONG 2 TO 10 CARBON ATOMS, SAID ALKENYL GROUP BEING A HYDROCARBON CHAIN HAVING 2 TO 10 CARBON ATOMS.
References Cited (Backward Citations)
US1964654A
Cited
US2651658A
Cited
US2789128A
Cited
US2789129A
Cited
US2863488A
Cited
US2915550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |