US3018633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for charging fluorocarbon gases
Assignee: EIDP Inc
•
Filing: 1960-03-21
•
Granted: 1962-01-30
•
Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Ronald H Halliwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:37
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/002; C; C07; C07C; C07C21/00; F; F17; F17C; F17C11/00; F17C11/007; F17C7/00; F17C7/02; F17D; F17D1/00; F17D1/08; F17D1/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD FOR TRANSFERRING UBSATURATED FLUORINATED HYDROCARBONS, WHICH COMPRISE DISPLACING SAID FLUORINATED HYDROCARBONS IN LIQUID FORM, WITH AN AQUEOUS SOLUTION OF A ZINC HALIDE, WHEREIN THE HALOGEN HAS AN ATOMIC NUMBER OF 17 TO 53 INCLUSIVE, SAID AQUEOUS SOLUTION HAVING A DENSITY GREATER AND A FREEZING PONIT LOWER THAN THE DENSITY AND TEMPERATURE OF THE FLUORINATED HYDROCARBON WHEN TRANSFERRED.
Claim 2
Independent Claim
59 words
A METHOD FOR TRANSFERRING UBSATURATED FLUORINATED HYDROCARBONS, WHICH COMPRISE DISPLACING SAID FLUORINATED HYDROCARBONS IN LIQUID FORM, WITH AN AQUEOUS SOLUTION OF A ZINC HALIDE, WHEREIN THE HALOGEN HAS AN ATOMIC NUMBER OF 17 TO 53 INCLUSIVE, SAID AQUEOUS SOLUTION HAVING A DENSITY GREATER AND A FREEZING PONIT LOWER THAN THE DENSITY AND TEMPERATURE OF THE FLUORINATED HYDROCARBON WHEN TRANSFERRED.
References Cited (Backward Citations)
US2459227A
Cited
US2828862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |