US2529131A
Expired / Lapsed
US
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Process for converting unfermentable sugars in vinasse to fermentable sugars
Assignee: Usines de Melle SA
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Filing: 1947-10-09
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Granted: 1950-11-07
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Expires: 1967-10-09
Abstract
No abstract record available.
Inventors
- 👤 Boinot Firmin
- 👤 Gautier Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:14
CPC Classifications
C; C12; C12F; C12F3/00; C12F3/10; B; B01; B01D; B01D3/00; B01D3/001; C13; C13K; C13K1/00; C13K1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR CONVERTING UNFERMENTABLE SUGARS TO FERMENTABLE SUGARS IN A VINASSE OF THE TYPE DESCRIBED, WHICH COMPRISES HEATING SAID VINASSE IN SUCH A DILUTE CONDITION AS TO CONTAIN NO MORE THAN ABOUT 3% BY WEIGHT OF SAID UNFERMENTABLE SUGARS, FOR ABOUT 15-60 MINUTES AT A TEMPERATURE OF ABOUT 140-160*C., WITH AN AMOUNT OF A STRONG MINERAL ACID EQUIVALENT TO ABOUT 8-15% OF HYDROCHLORIC ACID AS RECKONED ON THE WEIGHT OF SAID UNFERMENTABLE SUGARS AND CONVERTING SUBSTANTIALLY COMPLETELY SAID UNFERMENTABLE SUGARS TO FERMENTABLE SUGARS.
Claim 2
Dependent Claim
84 words
A PROCESS FOR CONVERTING UNFERMENTABLE SUGARS TO FERMENTABLE SUGARS IN A VINASSE OF THE TYPE DESCRIBED, WHICH COMPRISES HEATING SAID VINASSE IN SUCH A DILUTE CONDITION AS TO CONTAIN NO MORE THAN ABOUT 3% BY WEIGHT OF SAID UNFERMENTABLE SUGARS, FOR ABOUT 15-60 MINUTES AT A TEMPERATURE OF ABOUT 140-160*C., WITH AN AMOUNT OF A STRONG MINERAL ACID EQUIVALENT TO ABOUT 8-15% OF HYDROCHLORIC ACID AS RECKONED ON THE WEIGHT OF SAID UNFERMENTABLE SUGARS AND CONVERTING SUBSTANTIALLY COMPLETELY SAID UNFERMENTABLE SUGARS TO FERMENTABLE SUGARS.
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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |