Patent US2684987A successfully refreshed from Google Patents.
US2684987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing halocarbons
Assignee: MW Kellogg Co
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Filing: 1951-11-19
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Granted: 1954-07-27
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Expires: 1971-11-19
Abstract
No abstract record available.
Inventors
- 👤 Russell M Mantell
- 👤 Herbert J Passino
- 👤 Wilber O Tecters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:38
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR PREPARING HALOCARBONS WHICH COMPRISES REACTING FLUORINE AND CARBON IN A REACTION ZONE TO WHICH ZONE THERE IS CHARGED A HALOGEN OTHER THAN FLUORINE SUCH THAT THE RELATIVE AMOUNTS OF FLUORINE AND A HALOGEN OTHER THAN FLUORINE CHARGED TO THE REACTION ZONE ARE ABOUT 1 TO ABOUT 100 PARTS OF FLUORINE PER PART OF HALOGEN OTHER THAN FLUORINE.
Claim 2
Dependent Claim
60 words
A PROCESS FOR PREPARING HALOCARBONS WHICH COMPRISES REACTING FLUORINE AND CARBON IN A REACTION ZONE TO WHICH ZONE THERE IS CHARGED A HALOGEN OTHER THAN FLUORINE SUCH THAT THE RELATIVE AMOUNTS OF FLUORINE AND A HALOGEN OTHER THAN FLUORINE CHARGED TO THE REACTION ZONE ARE ABOUT 1 TO ABOUT 100 PARTS OF FLUORINE PER PART OF HALOGEN OTHER THAN FLUORINE.
References Cited (Backward Citations)
US2456027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |