US3108115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of 2-oxazolidones
Assignee: Honeywell International Inc
•
Filing: 1959-10-23
•
Granted: 1963-10-22
•
Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin D Little
- 👤 Bing T Poon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:16
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS FOR PRODUCING A 2-OXAZOLIDONE COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
10 words
A PROCESS FOR PRODUCING A 2-OXAZOLIDONE COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2381121A
Cited
US2868801A
Cited
US2399113A
Cited
US2716137A
Cited
US3020262A
Cited
US2977371A
Cited
US2977370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |