Patent US2937171A successfully refreshed from Google Patents.
US2937171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for obtaining fluorinated organic compounds
Assignee: EIDP Inc
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Filing: 1958-06-13
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Granted: 1960-05-17
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Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Smith William Channing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:34
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/30; C07B; C07B39/00; C07C; C07C17/00; C07C17/013; C07C17/04; C07C17/06; C07C17/093; C07C17/20; C07C17/202; C07C17/208; C07C17/21; C07C17/361
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR OBTAINING FLUORINATED ORGANIC COMPOUNDS COMPRISING REACTING WITH SULFUR TETRAFLUORIDE UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS ORGANIC COMPOUNDS FREE OF ZEREWITINOFF ACTIVE HYDROGEN AND CONTAINING BONDED TO A CARBON AT LEAST ONE HALOGEN OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, ANY ACYCLIC MULTIPLE BONDS BEING BETWEEN CARBON ATOMS.
Claim 2
Dependent Claim
49 words
A PROCESS FOR OBTAINING FLUORINATED ORGANIC COMPOUNDS COMPRISING REACTING WITH SULFUR TETRAFLUORIDE UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS ORGANIC COMPOUNDS FREE OF ZEREWITINOFF ACTIVE HYDROGEN AND CONTAINING BONDED TO A CARBON AT LEAST ONE HALOGEN OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, ANY ACYCLIC MULTIPLE BONDS BEING BETWEEN CARBON ATOMS.
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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |