Patent US3845218A successfully refreshed from Google Patents.
US3845218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcoholic fermentation process
Assignee: Dow Chemical Co
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Filing: 1973-04-20
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Granted: 1974-10-29
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Expires: 1993-04-20
Abstract
Abstract 1. IN A YEAST-FERMENTATION PROCESS FOR FERMENTING AN AQUEOUS FERMENTABLE SUGAR-CONTAINING SOLUTION TO ETHYL ALCOHOL, THE IMPROVEMENT WHEREBY THE FERMENTATION IS ACCELERATED WHICH COMPRISES ADDING TO THE SUGAR SOLUTION CONTAINING UP TO 30 GRAMS OF SAID SUGAR PER 100 ML. OF SOLUTION FROM ABOUT 25 TO ABOUT 200 PARTS PER MILLION BY WEIGHT OF AN O,P-DIPROPYL-PHTHALIMIDOPHOSPHONOTHIOATE OR AN O,O-DIPROPYL-(4-METHYLPHTHALIMIDO) PHOSPHONOTHIOATE, INOCULATING SAID SOLUTION WITH A YEAST WHICH FERMENTS SUGAR TO ETHANOL AND ALLOWING FERMENTATION TO PROCEED UNTIL FERMENTATION OF SUGAR TO ETHANOL IS SUBSTANTIALLY COMPLETED.
Inventors
- 👤 D Mussell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:11
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/94; Y10S435/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A YEAST-FERMENTATION PROCESS FOR FERMENTING AN AQUEOUS FERMENTABLE SUGAR-CONTAINING SOLUTION TO ETHYL ALCOHOL, THE IMPROVEMENT WHEREBY THE FERMENTATION IS ACCELERATED WHICH COMPRISES ADDING TO THE SUGAR SOLUTION CONTAINING UP TO 30 GRAMS OF SAID SUGAR PER 100 ML. OF SOLUTION FROM ABOUT 25 TO ABOUT 200 PARTS PER MILLION BY WEIGHT OF AN O,P-DIPROPYL-PHTHALIMIDOPHOSPHONOTHIOATE OR AN O,O-DIPROPYL-(4-METHYLPHTHALIMIDO) PHOSPHONOTHIOATE, INOCULATING SAID SOLUTION WITH A YEAST WHICH FERMENTS SUGAR TO ETHANOL AND ALLOWING FERMENTATION TO PROCEED UNTIL FERMENTATION OF SUGAR TO ETHANOL IS SUBSTANTIALLY COMPLETED.
Claim 2
Dependent Claim
84 words
IN A YEAST-FERMENTATION PROCESS FOR FERMENTING AN AQUEOUS FERMENTABLE SUGAR-CONTAINING SOLUTION TO ETHYL ALCOHOL, THE IMPROVEMENT WHEREBY THE FERMENTATION IS ACCELERATED WHICH COMPRISES ADDING TO THE SUGAR SOLUTION CONTAINING UP TO 30 GRAMS OF SAID SUGAR PER 100 ML. OF SOLUTION FROM ABOUT 25 TO ABOUT 200 PARTS PER MILLION BY WEIGHT OF AN O,P-DIPROPYL-PHTHALIMIDOPHOSPHONOTHIOATE OR AN O,O-DIPROPYL-(4-METHYLPHTHALIMIDO) PHOSPHONOTHIOATE, INOCULATING SAID SOLUTION WITH A YEAST WHICH FERMENTS SUGAR TO ETHANOL AND ALLOWING FERMENTATION TO PROCEED UNTIL FERMENTATION OF SUGAR TO ETHANOL IS SUBSTANTIALLY COMPLETED.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |