Patent US2702306A successfully refreshed from Google Patents.
US2702306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organic fluorine compounds
Assignee: Pennsylvania Salt Manufacturing Co
•
Filing: 1948-09-10
•
Granted: 1955-02-15
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 John F Gall
- 👤 Charles E Inman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/06; C07C201/12; C07B; C07B39/00; C07C17/00; C07C45/00; C07C45/61; C07C45/63; C07C46/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
IN THE METHOD OF REACTING HALOGEN FLUORIDES WITH FLUORINATABLE ORGANIC MATERIALS, THE STEP WHICH COMPRISES MIXING THE HALOGEN FLUORIDE WITH HYDROGEN FLUORIDE IN CONCENTRATIONS OF 10 TO 90% BY WEIGHT HALOGEN FLUOFIDE AND CONTACTING THIS MIXTURE IN THE LIQUID PHASE WITH THE FLUORINATABLE ORGANIC MATERIAL.
Claim 2
Dependent Claim
45 words
IN THE METHOD OF REACTING HALOGEN FLUORIDES WITH FLUORINATABLE ORGANIC MATERIALS, THE STEP WHICH COMPRISES MIXING THE HALOGEN FLUORIDE WITH HYDROGEN FLUORIDE IN CONCENTRATIONS OF 10 TO 90% BY WEIGHT HALOGEN FLUOFIDE AND CONTACTING THIS MIXTURE IN THE LIQUID PHASE WITH THE FLUORINATABLE ORGANIC MATERIAL.
References Cited (Backward Citations)
US1961622A
Cited
US2013030A
Cited
US2318684A
Cited
US2223631A
Cited
US2574619A
Cited
US2493008A
Cited
US2489970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |