US3379780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorination process
Assignee: Millennium Petrochemicals Inc
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Filing: 1964-04-02
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Granted: 1968-04-23
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Robert E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:57
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR PREPARING FLUORINATED HYDROCARBONS WHICH COMPRISES REACTING HYDROGEN FLUORIDE, AN OXYGENCONTAINING GAS AND AN UNSATURATED ORGANIC COMPOUND HAVING FROM 2 TO 24 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF ALKENES, ALKADIENES, ALKATRIENES, UNSATURATED MONOCYCLIC HYDROCARBONS, AND PARTIALLY FLUORINATED DERIVATIVES THEREOF AT A TEMPERATURE WITHIN THE RANGE OF 125* TO 325*C. IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF A GROUP VIII NOBLE METAL AND A GROUP VIII NOBLE METAL SALT.
Claim 2
Dependent Claim
78 words
A PROCESS FOR PREPARING FLUORINATED HYDROCARBONS WHICH COMPRISES REACTING HYDROGEN FLUORIDE, AN OXYGENCONTAINING GAS AND AN UNSATURATED ORGANIC COMPOUND HAVING FROM 2 TO 24 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF ALKENES, ALKADIENES, ALKATRIENES, UNSATURATED MONOCYCLIC HYDROCARBONS, AND PARTIALLY FLUORINATED DERIVATIVES THEREOF AT A TEMPERATURE WITHIN THE RANGE OF 125* TO 325*C. IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF A GROUP VIII NOBLE METAL AND A GROUP VIII NOBLE METAL SALT.
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |