US2654789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New chlorofluoro derivatives of cyclohexane and method of making same
Assignee: Ethyl Corp
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Filing: 1948-03-12
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Granted: 1953-10-06
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Expires: 1968-03-12
Abstract
No abstract record available.
Inventors
- 👤 Waldo B Ligett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:42
CPC Classifications
C; C07; C07C; C07C25/00; C07C25/02; C07C25/13; C07C17/00; C07C17/013; C07C17/06; C07C17/093; C07C17/10; C07C17/12; C07C17/14; C07C17/20; C07C17/202; C07C17/204; C07C17/206; C07C17/208; C07C23/00; C07C23/02; C07C23/10; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
50 words
A NEW COMPOSITION OF MATTER COMPRISING A DICHLORODODECAFLUOROMETHYLCYCLOHEXANE HAVING THE FORMULA CF3C6CL2F9, AND SEPARATED FROM THE PRODUCT OBTAINED BY REACTING A RING-CHLORINATED BENZOTRIFLUORIDE WITH A METALLIC PERFLUORIDE UNTIL ALL THE HYDROGENS OF THE CHLORINATED BENZOTRIFLUORIDES ARE REPLACED BY FLUORINES AND THE BENZENE RING IS CONVERTED TO A SATURATED CYCLOHEXANE RING.
Claim 2
Dependent Claim
50 words
A NEW COMPOSITION OF MATTER COMPRISING A DICHLORODODECAFLUOROMETHYLCYCLOHEXANE HAVING THE FORMULA CF3C6CL2F9, AND SEPARATED FROM THE PRODUCT OBTAINED BY REACTING A RING-CHLORINATED BENZOTRIFLUORIDE WITH A METALLIC PERFLUORIDE UNTIL ALL THE HYDROGENS OF THE CHLORINATED BENZOTRIFLUORIDES ARE REPLACED BY FLUORINES AND THE BENZENE RING IS CONVERTED TO A SATURATED CYCLOHEXANE RING.
Claim 3
Independent Claim
40 words
A METHOD OF FLUORINATING A RING CHLORINATED BENZOTRIFLUORIDE WITH REDUCED SUBSTITUTION OF FLUORINE FOR CHLORINE, WHICH METHOD COMPRISES VAPORIZING SAID BENZOTRIFLUORIDE, MIXING THE VAPORS WITH CHLORINE GAS, AND CONTACTING THE MIXTURE WITH A METALLIC PERFLUORIDE FLUORINATING AGENT UNDER FLUORINATING CONDITIONS.
Claim 4
Independent Claim
40 words
A METHOD OF FLUORINATING A RING CHLORINATED BENZOTRIFLUORIDE WITH REDUCED SUBSTITUTION OF FLUORINE FOR CHLORINE, WHICH METHOD COMPRISES VAPORIZING SAID BENZOTRIFLUORIDE, MIXING THE VAPORS WITH CHLORINE GAS, AND CONTACTING THE MIXTURE WITH A METALLIC PERFLUORIDE FLUORINATING AGENT UNDER FLUORINATING CONDITIONS.
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) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |