US2506068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of fluoroacetic acids
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1948-02-10
•
Granted: 1950-05-02
•
Expires: 1968-02-10
Abstract
No abstract record available.
Inventors
- 👤 John W C Crawford
- 👤 Eric R Eallsgrove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:37
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
A PROCESS FOR THE PRODUCTION OF A FLUOROACETYL COMPOUND WHICH COMPRISES THE STEP OF REACTING A FLUOROETHYLENIC COMPOUND FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULAE:
References Cited (Backward Citations)
US2371757A
Cited
US2414706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |