US3145222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition of polyfluoroalkyl iodides to unsaturated compounds and products produced thereby
Assignee: EIDP Inc
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Filing: 1961-02-23
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Granted: 1964-08-18
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Neal O Brace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C07C; C07C17/00; C07C17/25; C07C17/26; C07C17/272; C07C17/275; C07C17/278; C07C29/00; C07C29/58; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69; C07C49/00; C07C49/385; C07C49/457; C07C49/463; C07C53/00; C07C53/15; C07C53/19; C07C53/21; C07C57/00; C07C57/52; C07C59/00; C07C59/125; C07C59/135; C07C59/40; C07C59/58; C07C59/60; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A COMPOSITION HAVING THE STRUCTURE F(CNF2N)Q WHEREIN Y IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, FLOURINE, CHLORINE AND BROMINE, N IS AN INTEGER FROM ONE TO ABOUT TWENTY AND Q IS SELECTED FROM THE GROUP CONSISTING OF (A) -CH2CHIO2CR
Claim 2
Dependent Claim
40 words
A COMPOSITION HAVING THE STRUCTURE F(CNF2N)Q WHEREIN Y IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, FLOURINE, CHLORINE AND BROMINE, N IS AN INTEGER FROM ONE TO ABOUT TWENTY AND Q IS SELECTED FROM THE GROUP CONSISTING OF (A) -CH2CHIO2CR
Claim 3
Dependent Claim
162 words
A PROCESS FOR REACTING A POLYFLUOROALKYL IODIDE WITH A REACTANT TAKEN FROM THE GROUP CONSISTING OF ALIPHATIC OLEFINS AND ACETYLENES, SAID IODIDE HAVING THE STRUCTURE SELECTED FROM THE GROUP CONSISTING OF A-CFI-B AND I(C7F2R)I, SAID A AND B BEING SELECTED FROM THE GROUP CONSISTING OF F AND Y(CNF2N), SAID Y BEING SELECTED FROM THE GROUP CONSISTING OF F, CI, BR, AND H, SAID R BEING FROM 3 TO ABOUT 20 AND SAID N BEING FROM ABOUT 1 TO ABOUT 20, SAID PROCESS BEING ONE WHEREIN SAID POLYFLUOROALKYL IODIDE IS REACTED WITH AN UNSATURATED COMPOUND TAKEN FROM THE GROUP CONSISTING OF AN ALIPHATIC OLEFIN, AND AN ACETYLENE COMPOUND, SAID HEATING STEP BEING CONDUCTED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 50*C. TO ABOUT 190*C. IN THE PRESENCE OF A FREE RADICAL GENERATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC PEROXIDES AND ORGANIC AZONITRILES AT A PRESSURE OF FROM ABOUT 1 TO ABOUT 50 ATMOSPHERES, FOLLOWED BY RECOVERING THE REACTION PRODUCT.
Claim 4
Dependent Claim
162 words
A PROCESS FOR REACTING A POLYFLUOROALKYL IODIDE WITH A REACTANT TAKEN FROM THE GROUP CONSISTING OF ALIPHATIC OLEFINS AND ACETYLENES, SAID IODIDE HAVING THE STRUCTURE SELECTED FROM THE GROUP CONSISTING OF A-CFI-B AND I(C7F2R)I, SAID A AND B BEING SELECTED FROM THE GROUP CONSISTING OF F AND Y(CNF2N), SAID Y BEING SELECTED FROM THE GROUP CONSISTING OF F, CI, BR, AND H, SAID R BEING FROM 3 TO ABOUT 20 AND SAID N BEING FROM ABOUT 1 TO ABOUT 20, SAID PROCESS BEING ONE WHEREIN SAID POLYFLUOROALKYL IODIDE IS REACTED WITH AN UNSATURATED COMPOUND TAKEN FROM THE GROUP CONSISTING OF AN ALIPHATIC OLEFIN, AND AN ACETYLENE COMPOUND, SAID HEATING STEP BEING CONDUCTED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 50*C. TO ABOUT 190*C. IN THE PRESENCE OF A FREE RADICAL GENERATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC PEROXIDES AND ORGANIC AZONITRILES AT A PRESSURE OF FROM ABOUT 1 TO ABOUT 50 ATMOSPHERES, FOLLOWED BY RECOVERING THE REACTION PRODUCT.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |