US2599631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of vinyl fluoride
Assignee: EIDP Inc
•
Filing: 1945-12-06
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Granted: 1952-06-10
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Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 Harmon Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:58
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
PROCESS OF PREPARING VINYL FLUORIDE WHICH COMPRISES HEATING 1,1-DIFLUOROETHANE AT A TEMPERATURE OF 100* C. TO 1000* C. FOR A PERIOD NOT IN EXCESS OF THREE MINUTES.
Claim 2
Dependent Claim
27 words
PROCESS OF PREPARING VINYL FLUORIDE WHICH COMPRISES HEATING 1,1-DIFLUOROETHANE AT A TEMPERATURE OF 100* C. TO 1000* C. FOR A PERIOD NOT IN EXCESS OF THREE MINUTES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |