US3240823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of nitroolefins
Assignee: Atlantic Richfield Co
•
Filing: 1965-04-08
•
Granted: 1966-03-15
•
Expires: 1985-04-08
Abstract
No abstract record available.
Inventors
- 👤 Giovanni A Bonetti
- 👤 James J Gavigan
- 👤 Hans O Hansen
- 👤 Rosenthal Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:50
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/06; C07C201/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A METHOD FOR PREPARING NITROOLEFINS HAVING AT LEAST 3 CARBON ATOMS IN THE MOLECULE AND HAVING THE FORMULA
Claim 2
Independent Claim
18 words
A METHOD FOR PREPARING NITROOLEFINS HAVING AT LEAST 3 CARBON ATOMS IN THE MOLECULE AND HAVING THE FORMULA
References Cited (Backward Citations)
US2656395A
Cited
US2495424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |