US3796630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microbial production of dicarboxylic acids
Assignee: Phillips Petroleum Co
•
Filing: 1971-10-04
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Granted: 1974-03-12
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Expires: 1991-10-04
Abstract
Abstract DICARBOXYLIC ACIDS ARE PRODUCED FROM C6-C22 N-PARAFFINS BY MICROBOAL OXIDATION IN CULTURES CONTAINING A MUTANT OF THE YEAST TORULOPSIS BOMBICOLA.
Inventors
- 👤 E Wegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:07
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/40; C12P7/44; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/944
Claims Analysis
Total Claims: 0
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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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |