US3156299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subterranean chemical process
Assignee: Phillips Petroleum Co
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Filing: 1963-01-07
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Granted: 1964-11-10
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Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Trantham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:14
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C07; C07C; C07C17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR PRODUCING HALOGENATED HYDROCARBONS IN SITU IN A SUBTERRANEAN STRATUM CONTAINING HYDROCARBONS AND RECOVERING THE HALOGENATED HYDROCARBONS WHICH COMPRISES INJECTING AT LEAST ONE REACTIVE HALOGEN SELECTED FROM THE GROUP CONSISTING OF CL, BR, AND F AND INTERHALOGEN COMPOUNDS THEREOF INTO A SECTION OF SAID STRATUM THRU A WELL THEREIN AND CONTACTING SAID HYDROCARBONS WITH SAID HALOGEN IN GASEOUS FORM UNDER HALOGENATING CONDITIONS SO AS TO HALOGENATE HYDROCARBONS AS THE PRINCIPAL REACTION THEREIN; CONTINUING THE INJECTION OF SAID HALOGEN SO AS TO DRIVE RESULTING HALOGENATED HYDROCARBONS INTO A WELL IN SAID STRATUM; AND PRODUCING AN EFFLUENT FROM LAST SAID WELL CONTAINING SAID HALOGENATED HYDROCARBONS.
Claim 2
Dependent Claim
105 words
A PROCESS FOR PRODUCING HALOGENATED HYDROCARBONS IN SITU IN A SUBTERRANEAN STRATUM CONTAINING HYDROCARBONS AND RECOVERING THE HALOGENATED HYDROCARBONS WHICH COMPRISES INJECTING AT LEAST ONE REACTIVE HALOGEN SELECTED FROM THE GROUP CONSISTING OF CL, BR, AND F AND INTERHALOGEN COMPOUNDS THEREOF INTO A SECTION OF SAID STRATUM THRU A WELL THEREIN AND CONTACTING SAID HYDROCARBONS WITH SAID HALOGEN IN GASEOUS FORM UNDER HALOGENATING CONDITIONS SO AS TO HALOGENATE HYDROCARBONS AS THE PRINCIPAL REACTION THEREIN; CONTINUING THE INJECTION OF SAID HALOGEN SO AS TO DRIVE RESULTING HALOGENATED HYDROCARBONS INTO A WELL IN SAID STRATUM; AND PRODUCING AN EFFLUENT FROM LAST SAID WELL CONTAINING SAID HALOGENATED HYDROCARBONS.
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |