US3083238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorinated hydrocarbon polymers and preparation thereof
Assignee: Pennwalt Corp
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Filing: 1957-12-11
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Granted: 1963-03-26
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Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 Hauptschein Murray
- 👤 Braid Milton
- 👤 Lawlor Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:45
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/20; C07C17/202; C07C17/208; C07C17/204; C07C17/26; C07C17/272; C07C17/278; C07C19/00; C07C19/08; C07C19/10; C07C19/14; C07C19/16; C07C23/00; C07C23/02; C07C23/06; C07C23/18; C08; C08F; C08F14/00; C08F14/18; C08F14/185; C08K; C08K5/00; C08K5/02; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A POLYMERIC PRODUCT HAVING THE GENERAL FORMULA R(U)NQ WHERE Q IS A HALOGEN ATOM, R IS SELECTED FROM THE GROUP CONSISTING OF PERFLUOROALKYL, PERFLUOROCYCLOALKYL, AND PERFLUOROALKENYL RADICALS; AND PERFLUOROCHLOROALKYL, PERFLUOROHYDROALKYL, PERFLUOROCHLOROCYCLOALKYL, PERFLUOROHYDROCYCLOALKYL, PERFLUOROCHLOROALKENYL, AND PERFLUOROHYDROALKENYL RADICALS IN WHICH THE CARBON ATOM NEAREST TO THE Q ATOM HAS AT LEAST ONE SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HALOGEN, PERFLUOROALKYL RADICALS AND R''CF2-RADICALS WHERE R'' IS SELECTED FROM THE GROUP CONSISTING OF PERFLUOROHLOROALKYL AND PERFLUOROHYDROALKYL RADICALS, U IS A BIFUNCTIONAL GROUP DERIVED FROM A PERFLUORINATED UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF PERFLUOROBUTADIENE, PERFLUOROCYCLOBUTENE, AND OLEFINS HAVING THE FORMULA
Claim 2
Dependent Claim
99 words
A POLYMERIC PRODUCT HAVING THE GENERAL FORMULA R(U)NQ WHERE Q IS A HALOGEN ATOM, R IS SELECTED FROM THE GROUP CONSISTING OF PERFLUOROALKYL, PERFLUOROCYCLOALKYL, AND PERFLUOROALKENYL RADICALS; AND PERFLUOROCHLOROALKYL, PERFLUOROHYDROALKYL, PERFLUOROCHLOROCYCLOALKYL, PERFLUOROHYDROCYCLOALKYL, PERFLUOROCHLOROALKENYL, AND PERFLUOROHYDROALKENYL RADICALS IN WHICH THE CARBON ATOM NEAREST TO THE Q ATOM HAS AT LEAST ONE SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HALOGEN, PERFLUOROALKYL RADICALS AND R''CF2-RADICALS WHERE R'' IS SELECTED FROM THE GROUP CONSISTING OF PERFLUOROHLOROALKYL AND PERFLUOROHYDROALKYL RADICALS, U IS A BIFUNCTIONAL GROUP DERIVED FROM A PERFLUORINATED UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF PERFLUOROBUTADIENE, PERFLUOROCYCLOBUTENE, AND OLEFINS HAVING THE FORMULA
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |