US3017421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing compounds and process for preparing them
Assignee: EIDP Inc
•
Filing: 1959-04-27
•
Granted: 1962-01-16
•
Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Werner V Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:48
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C19/00; C07C19/08; C07C19/10; C07C19/14; C07C305/00; C07C305/02; C07C305/04; C07C305/08; C07C305/26; C07C309/00; C07C309/78; C07C309/79; C07C309/80; C10; C10M; C10M105/00; C10M105/72; C10M7/00; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2221/00; C10N; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A POLYFLUOROALKYL COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
6 words
A POLYFLUOROALKYL COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2559751A
Cited
US2732398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |