US2967810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing highly fluorinated compounds
Assignee: EIDP Inc
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Filing: 1958-10-16
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Granted: 1961-01-10
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Expires: 1978-10-16
Abstract
No abstract record available.
Inventors
- 👤 Jr John Ferguson Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:21
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/38; C07C53/46; C07C53/50; B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C07C17/00; C07C17/26; C07C55/00; C07C55/36; C07C55/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PROCESS WHICH COMPRISES IRRADIATING WITH ULTRAVIOLET LIGHT POLYFLUOROACYL FLUORIDE OF THE GENERAL FORMULA X-R1-COF, AND RECOVERING FROM THE RESULTING MIXTURE A CONDENSATION PRODUCT OF SAID ACYL FLUORIDE, SAID CONDENSATION PRODUCT HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
35 words
A PROCESS WHICH COMPRISES IRRADIATING WITH ULTRAVIOLET LIGHT POLYFLUOROACYL FLUORIDE OF THE GENERAL FORMULA X-R1-COF, AND RECOVERING FROM THE RESULTING MIXTURE A CONDENSATION PRODUCT OF SAID ACYL FLUORIDE, SAID CONDENSATION PRODUCT HAVING THE GENERAL 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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |