US2615926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing organic compounds containing fluorine
Assignee: EIDP Inc
•
Filing: 1949-03-09
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Granted: 1952-10-28
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Expires: 1969-03-09
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Benning
- 👤 Edmond G Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:31
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/361; C07C17/23; C07C17/26; C07C17/263; C07C17/269; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE PROCESS FOR CONVERTING SATURATED FLUOROCHLORO-CARBONS TO FLUORINE-CONTAINING UNSATURATED COMPOUNDS AND OTHER VALUABLE PRODUCTS WHICH COMPRISES PASSING VAPORS OF CCL2F2, TOGETHER WITH A SUBSTANTIALLY EQUIMOLECULAR PROPORTION OF HYDROGEN THROUGH AN INERT TUBE HEATED TO A TEMPERATURE OF FROM ABOUT 650* C. TO ABOUT 750* C. WHILE AVOIDING CONTACT OF THE HOT VAPORS WITH CATALYTIC MATERIALS, AND SEPARATING THE PRODUCTS.
Claim 2
Dependent Claim
59 words
THE PROCESS FOR CONVERTING SATURATED FLUOROCHLORO-CARBONS TO FLUORINE-CONTAINING UNSATURATED COMPOUNDS AND OTHER VALUABLE PRODUCTS WHICH COMPRISES PASSING VAPORS OF CCL2F2, TOGETHER WITH A SUBSTANTIALLY EQUIMOLECULAR PROPORTION OF HYDROGEN THROUGH AN INERT TUBE HEATED TO A TEMPERATURE OF FROM ABOUT 650* C. TO ABOUT 750* C. WHILE AVOIDING CONTACT OF THE HOT VAPORS WITH CATALYTIC MATERIALS, AND SEPARATING THE PRODUCTS.
References Cited (Backward Citations)
US2504919A
Cited
US2494064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |