US2674561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organic acids
Assignee: Individual
•
Filing: 1950-09-08
•
Granted: 1954-04-06
•
Expires: 1970-09-08
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/38; C12P; C12P7/00; C12P7/40; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/916; Y10S435/917; Y10S435/92; Y10S435/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD FOR INCREASING THE YIELD OF AN ORGANIC ACID OF THE GROUP CONSISTING OF CITRIC ACID, ITACONIC ACID, AND ETHYLENE OXIDE DICARBOXYLIC ACID BY MOLD FERMENTATION OF FERMENTABLE CARBON SOURCES COMPRISING CARRYING OUT OF THE FERMENTATION IN THE PRESENCE OF 1 TO 5 PERCENT BY VOLUME OF ONE OF THE GROUP CONSISTING OF LOW MOLECULAR WEIGHT MONOHYDRIC ALKANOLS AND METHYL ACETATE.
Claim 2
Independent Claim
62 words
A METHOD FOR INCREASING THE YIELD OF AN ORGANIC ACID OF THE GROUP CONSISTING OF CITRIC ACID, ITACONIC ACID, AND ETHYLENE OXIDE DICARBOXYLIC ACID BY MOLD FERMENTATION OF FERMENTABLE CARBON SOURCES COMPRISING CARRYING OUT OF THE FERMENTATION IN THE PRESENCE OF 1 TO 5 PERCENT BY VOLUME OF ONE OF THE GROUP CONSISTING OF LOW MOLECULAR WEIGHT MONOHYDRIC ALKANOLS AND METHYL ACETATE.
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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |