US3202587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of eliminating bacterial contamination of molasses medium in the production of citric acid by fermentation
Assignee: Individual
•
Filing: 1962-06-22
•
Granted: 1965-08-24
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Karklign Roman Janovich
- 👤 Berkolde Velta Karlovna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:19
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/38; C12P; C12P7/00; C12P7/40; C12P7/44; C12P7/48; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN THE PROCESS OF MAKING CITRIC ACID BY FERMENTATION OF FRESH MOLASSES MEDIUM THE IMPROVEMENT COMPRISING ELIMINATING BACTERIAL CONTAMINATION OF SUCH MOLASSES MEDIUM BY ADDING AN EFFECTIVE AMOUNT OF 5-NITRO-2-FURALDEHYDE SEMICARBAZONE HAVING FORMULA 2-(H2N-CO-NH-N=CH-),5-(O2N-)-FURAN AS AN ANTISEPTIC TO FRESH MOLASSES MEDIUM.
Claim 2
Dependent Claim
41 words
IN THE PROCESS OF MAKING CITRIC ACID BY FERMENTATION OF FRESH MOLASSES MEDIUM THE IMPROVEMENT COMPRISING ELIMINATING BACTERIAL CONTAMINATION OF SUCH MOLASSES MEDIUM BY ADDING AN EFFECTIVE AMOUNT OF 5-NITRO-2-FURALDEHYDE SEMICARBAZONE HAVING FORMULA 2-(H2N-CO-NH-N=CH-),5-(O2N-)-FURAN AS AN ANTISEPTIC TO FRESH MOLASSES MEDIUM.
References Cited (Backward Citations)
US3041250A
Cited
GB865796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |