US3210377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gamma lactones
Assignee: Olin Corp
•
Filing: 1963-06-05
•
Granted: 1965-10-05
•
Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Machleidt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:54
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
2 - (1,2 - DIHYDROXYETHYLIDENE) - 5 - METHYL - 4 - HEXENOIC ACID-$-LACTONE.
Claim 2
Dependent Claim
14 words
2 - (1,2 - DIHYDROXYETHYLIDENE) - 5 - METHYL - 4 - HEXENOIC ACID-$-LACTONE.
Claim 3
Dependent Claim
11 words
A PROCESS FOR THE PRODUCTION OF A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
11 words
A PROCESS FOR THE PRODUCTION OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2485100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |