US2844614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis (fluoroethyl) mercurials and method of producing them
Assignee: EIDP Inc
•
Filing: 1957-01-07
•
Granted: 1958-07-22
•
Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 Carl G Krespan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:56
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A METHOD FOR PREPARING BIS(FLUOROETHYL)MERCURIALS WHICH COMPRISES REACTING MERCURIC FLUORIDE WITH A FLUOROOLEFIN OF THE FORMULA CXY=CF2 WHERIN X AND Y ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HALOGEN.
Claim 2
Independent Claim
31 words
A METHOD FOR PREPARING BIS(FLUOROETHYL)MERCURIALS WHICH COMPRISES REACTING MERCURIC FLUORIDE WITH A FLUOROOLEFIN OF THE FORMULA CXY=CF2 WHERIN X AND Y ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HALOGEN.
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |