US3271266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cultivating microorganisms on a hydrocarbon feedstock employing a carbohydrate pretreatment feedstock
Assignee: BP PLC
•
Filing: 1963-12-16
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Granted: 1966-09-06
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Laine Bernard Maurice
- 👤 Filosa Jean Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/26; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/921; Y10S435/923; Y10S435/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS WHICH COMPRISES, IN A PRETREATMENT STAGE, CULTIVATING A CARBOHYDRATE CONSUMING YEAST IN THE PRESENCE OF A PRETREATMENT FEEDSTOCK COMPRISING A CARBOHYDRAGE AND THEREAFTER, IN A GROWTH STAGE, CULTIVATING THE YEAST SO OBTAINED IN THE PRESENCE OF A GROWTH FEEDSTOCK COMPRISING A STRAIGHT CHAIN HYDROCARGON.
Claim 2
Dependent Claim
46 words
A PROCESS WHICH COMPRISES, IN A PRETREATMENT STAGE, CULTIVATING A CARBOHYDRATE CONSUMING YEAST IN THE PRESENCE OF A PRETREATMENT FEEDSTOCK COMPRISING A CARBOHYDRAGE AND THEREAFTER, IN A GROWTH STAGE, CULTIVATING THE YEAST SO OBTAINED IN THE PRESENCE OF A GROWTH FEEDSTOCK COMPRISING A STRAIGHT CHAIN HYDROCARGON.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |