US3069325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1959-12-21
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Granted: 1962-12-18
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Donald O Hitzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:49
CPC Classifications
C; C10; C10G; C10G32/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/824; Y10S435/832; Y10S435/874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF TREATING LIQUID PETROLEUM HYDROCARBONS FOR THE REMOVAL OF ORGANIC CONTAMINANTS THEREFROM, WHICH METHOD COMPRISES THE STEPS OF: PROPAGATING, FROM A SEA WATER CULTURE MEDIUM CONTAINING AN ADDED NUTRIENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM NITRATE AND AMMONIUM SULFATE, COLONIES OF MICROOGANISME WHICH CONSUME AND REQUIRE SAID CONTAMINANTS FOR ASSIMILATION IN THEIR METABOLIC PROCESSES; INOCULATING ANOTHER SEA WATER CULTURE MEDIUM WITH SAID MICROORGANISMS; AND CONTACTING SAID HYDROCARBONS WITH SAID INOCULATED CULTURE MEDIUM IN THE ABSENCE OF ANY ADDED NUTRIENT.
Claim 2
Independent Claim
82 words
A METHOD OF TREATING LIQUID PETROLEUM HYDROCARBONS FOR THE REMOVAL OF ORGANIC CONTAMINANTS THEREFROM, WHICH METHOD COMPRISES THE STEPS OF: PROPAGATING, FROM A SEA WATER CULTURE MEDIUM CONTAINING AN ADDED NUTRIENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM NITRATE AND AMMONIUM SULFATE, COLONIES OF MICROOGANISME WHICH CONSUME AND REQUIRE SAID CONTAMINANTS FOR ASSIMILATION IN THEIR METABOLIC PROCESSES; INOCULATING ANOTHER SEA WATER CULTURE MEDIUM WITH SAID MICROORGANISMS; AND CONTACTING SAID HYDROCARBONS WITH SAID INOCULATED CULTURE MEDIUM IN THE ABSENCE OF ANY ADDED NUTRIENT.
References Cited (Backward Citations)
US2521761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |