Patent US3227732A successfully refreshed from Google Patents.
US3227732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alpha-fluorocarboxylic acid lactones
Assignee: Olin Corp
•
Filing: 1964-04-09
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Granted: 1966-01-04
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Tschesche Rudoff
- 👤 Machleidt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:10
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS FOR THE PRODUCTION OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
10 words
A PROCESS FOR THE PRODUCTION OF COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |