Patent US3576718A successfully refreshed from Google Patents.
US3576718A
Expired / Lapsed
US
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Process of producing gluconic acid and gluconates
Assignee: PMP ACQUISITION Corp A DE CORP
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Filing: 1968-08-15
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Granted: 1971-04-27
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Expires: 1988-08-15
Abstract
Abstract ALDONIC ACIDS AND ALDONATES, MORE PATRICULARLY, GLUCONIC ACID AND GLUCONATES, ARE PREPARED BY A FERMENTATION PROCESS IN WHICH A PORTION OF THE ALDOSE IS FERMENTED. THEREAFTER MORE ALDOSE IS ADDED AND FERMENTED UNTIL THE FERMENTATION MEDIUM CONTAINS A HIGH CONCENTRATION OF ALDONIC ACID AND/OR ALDONATE.
Inventors
- 👤 Jack Ziffer
- 👤 Arthur S Gaffney
- 👤 Simon Rothenberg
- 👤 Thomas J Cairney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:25
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/22; C11D7/26; C11D7/265; C07; C07C; C07C59/00; C07C59/01; C07C59/10; C07C59/105; C12; C12P; C12P7/00; C12P7/40; C12P7/58
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |