US3264196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of micro-organisms cultivated on hydrocarbon feedstock
Assignee: BP PLC
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Filing: 1963-12-16
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Granted: 1966-08-02
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Filosa Jean Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:22
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/26; C12P; C12P21/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/921; Y10S435/923; Y10S435/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS WHICH COMPRISES, IN A GROWTH STAGE, CULTIVATING A STRAIGHT CHAIN HYDROCARBON CONSUMING MICROORGANISM IN THE PRESENCE OF A HYDROCARBON FEEDSTOCK COMPRISING AT LEAST IN PART STRAIGHT CHAIN HYDROCARBONS; IN THE PRESENCE OF AN AQUEOUS NUTRIENT MEDIUM; AND IN THE PRESENCE OF A GAS CONTAINING FREE OXYGEN AND SUBSEQUENTLY RECOVERING A MICRO-ORGANISM FREE OF A SUBSTANTIAL AMOUNT OF HYDROCARBON BUT CONTAINING A SMALL AMOUNT OF HYDROCARBON AS CONTAMINANT, AND THEREAFTER IN A PURIFICATION-STARVATION STAGE MAINTAINING SAID MICRO-ORGANISM WITH AN AQUEOUS NUTRIENT MEDIUM AND A GAS CONTAINING FREE OXYGEN IN THE ABSENCE OF AN EXTRANEOUS CARBON SOURCE, WHEREBY THE HYDROCARBON CONTAMINATING THE MICRO-ORGANISM IS REDUCED IN QUANTITY.
Claim 2
Dependent Claim
107 words
A PROCESS WHICH COMPRISES, IN A GROWTH STAGE, CULTIVATING A STRAIGHT CHAIN HYDROCARBON CONSUMING MICROORGANISM IN THE PRESENCE OF A HYDROCARBON FEEDSTOCK COMPRISING AT LEAST IN PART STRAIGHT CHAIN HYDROCARBONS; IN THE PRESENCE OF AN AQUEOUS NUTRIENT MEDIUM; AND IN THE PRESENCE OF A GAS CONTAINING FREE OXYGEN AND SUBSEQUENTLY RECOVERING A MICRO-ORGANISM FREE OF A SUBSTANTIAL AMOUNT OF HYDROCARBON BUT CONTAINING A SMALL AMOUNT OF HYDROCARBON AS CONTAMINANT, AND THEREAFTER IN A PURIFICATION-STARVATION STAGE MAINTAINING SAID MICRO-ORGANISM WITH AN AQUEOUS NUTRIENT MEDIUM AND A GAS CONTAINING FREE OXYGEN IN THE ABSENCE OF AN EXTRANEOUS CARBON SOURCE, WHEREBY THE HYDROCARBON CONTAMINATING THE MICRO-ORGANISM IS REDUCED IN QUANTITY.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |