US2499833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fluorinated organic compounds
Assignee: Individual
•
Filing: 1944-07-27
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Granted: 1950-03-07
•
Expires: 1964-07-27
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:15
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/20; C07C17/21; C07C17/202; C07C17/208; Y; Y10; Y10S; Y10S29/00; Y10S29/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
THE METHOD OF MAKING MIXTURES OF SATURATED FLUOROCARBONS AND CHLORO-FLUORO-CARBONS HAVING MOLECULAR FORMULAE SELECTED FROM THE GROUP CAF16, C8CIF15 AND C8CH2F14, WHICH COMPRISES REACTING AN UNSATURATED CHLORINE CONTAINING ALIPHATIC COMPOUND HAVING 8 CARGON ATOMS SELECTED FROM THE GROUP CONSISTING OF AN UNDECACHLORO-OCTENE HAVING THE STRUCTURAL FORMULA
Claim 2
Independent Claim
46 words
THE METHOD OF MAKING MIXTURES OF SATURATED FLUOROCARBONS AND CHLORO-FLUORO-CARBONS HAVING MOLECULAR FORMULAE SELECTED FROM THE GROUP CAF16, C8CIF15 AND C8CH2F14, WHICH COMPRISES REACTING AN UNSATURATED CHLORINE CONTAINING ALIPHATIC COMPOUND HAVING 8 CARGON ATOMS SELECTED FROM THE GROUP CONSISTING OF AN UNDECACHLORO-OCTENE HAVING THE STRUCTURAL 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) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |