Patent US1419740A successfully refreshed from Google Patents.
Patent US3616249A successfully refreshed from Google Patents.
US3616249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for growing yeast on hydrocarbons
Assignee: Atlantic Richfield Co
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Filing: 1968-06-26
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Granted: 1971-10-26
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Expires: 1988-06-26
Abstract
Abstract A process for improving the rate of growth and protein content of Candida intermedia grown on normal alkanes by providing a nutrient solution containing from about 8,000 to about 10,000 micrograms of zinc, as a soluble zinc salt, per liter of nutrient is disclosed.
Inventors
- 👤 John J Cavallo
- 👤 Paul Richard Hines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:11
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/26; C12N1/28; Y; Y10; Y10S; Y10S435/00; Y10S435/804; Y10S435/8215; Y10S435/911; Y10S435/921
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
The process of claim 1 wherein the growth process is conducted at a temperature of from about 25* to about 40* C. and the pH of the nutrient is from about 4.5 to about 6.5.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |