US3303002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating hydrocarbons from a sample
Assignee: Chevron USA Inc
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Filing: 1963-09-24
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Granted: 1967-02-07
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Clayton D Mcauliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/34; G01N1/40; G01N1/4055; G01N2001/4066; Y; Y10; Y10T; Y10T436/00; Y10T436/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A METHOD OF GEOCHEMICAL PROSPECTING WHEREIN SAMPLES ARE COLLECTED AND THE HYDROCARBON CONTENT OF SAID SAMPLES IS DETERMINED AND RECORDED TO GIV E AN INDICATION OF THE POSSIBLE WHEREABOUTS OF VALUABLE PETROLEUM DEPOSITS, THE IMPROVEMENT IN SEPARATING AT LEST THE HYDROCARBONS CONTAINING FROM 1 TO 8 CARBON ATOMS FROM EACH SAMPLE COMPRISING THE STEPS OF ESTABLISHING A VACUUM OF AT LEAST 0.1 MM. MERCURY IN A CHAMBER, CLOSING SAID CHAMBER, FLOWING ONLY A LIQUID SAMPLE INTO THE VACUUM IN SAID CHAMBER AT A RATE EQUIVALENT TO 1/2 GALLON IN FROM 2 TO 10 MINUTES WHEREBY THE VACUUM CAUSES GAS INCLUDING ANY HYDROCARBON CONSTITUENTS THEREOF TO COME OUT OF SAID SAMPLE, COLLECTING AT LEAST A PORTION OF SAID GAS, ANALYZING SAID GAS FOR THE HYDROCARBON CONSTITUENTS THEREOF AND REPEATING THE ABOVE STEPS FOR EACH OF THE EMAINING SAMPLES.
Claim 2
Dependent Claim
138 words
IN A METHOD OF GEOCHEMICAL PROSPECTING WHEREIN SAMPLES ARE COLLECTED AND THE HYDROCARBON CONTENT OF SAID SAMPLES IS DETERMINED AND RECORDED TO GIV E AN INDICATION OF THE POSSIBLE WHEREABOUTS OF VALUABLE PETROLEUM DEPOSITS, THE IMPROVEMENT IN SEPARATING AT LEST THE HYDROCARBONS CONTAINING FROM 1 TO 8 CARBON ATOMS FROM EACH SAMPLE COMPRISING THE STEPS OF ESTABLISHING A VACUUM OF AT LEAST 0.1 MM. MERCURY IN A CHAMBER, CLOSING SAID CHAMBER, FLOWING ONLY A LIQUID SAMPLE INTO THE VACUUM IN SAID CHAMBER AT A RATE EQUIVALENT TO 1/2 GALLON IN FROM 2 TO 10 MINUTES WHEREBY THE VACUUM CAUSES GAS INCLUDING ANY HYDROCARBON CONSTITUENTS THEREOF TO COME OUT OF SAID SAMPLE, COLLECTING AT LEAST A PORTION OF SAID GAS, ANALYZING SAID GAS FOR THE HYDROCARBON CONSTITUENTS THEREOF AND REPEATING THE ABOVE STEPS FOR EACH OF THE EMAINING SAMPLES.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |