US3313829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making epoxides from ethylenic compounds with electron-with drawing groups
Assignee: Individual
•
Filing: 1965-02-17
•
Granted: 1967-04-11
•
Expires: 1985-02-17
Abstract
No abstract record available.
Inventors
- 👤 David H Rosenblatt
- 👤 Gordon H Broome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
C; C06; C06D; C06D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
THE METHOD OF PRODUCING A COMPOUND FROM THE GROUP OF COMPOUNDS REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
15 words
THE METHOD OF PRODUCING A COMPOUND FROM THE GROUP OF COMPOUNDS REPRESENTED BY THE FORMULA
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |