Patent US2997424A successfully refreshed from Google Patents.
US2997424A
Expired / Lapsed
US
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Process for making vinegar
Assignee: HUNT FOODS Inc
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Filing: 1958-09-11
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Granted: 1961-08-22
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Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 Mayer Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:21
CPC Classifications
C; C12; C12J; C12J1/00; C12J1/10; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE PROCESS FOR THE CONTINUOUS MANUFACTURE OF ACETIC ACID, WHICH COMPRISES THE STEPS OF CONTINUOUSLY INTRODUCING FRESH LIQUID CONTAINING ETHYL ALCOHOL AND WATER INTO A SUBSTANTIALLY FULLY FERMENTED SOLUTION COMPRISING WATER, ACETIC ACID AND ACETOBACTER, THE LATTER IN OPTIMAL CONCENTRATION, IN A FERMENTATION ZONE, SAID ACETIC ACID HAVING BEEN OXIDIZED IN SITU BY SAID ACETOBACTER FROM ETHYL ALCOHOL, CONTINUOUSLY RAPIDLY CONTACTING THROUGHOUT SAID ZONE SAID FRESH LIQUID WITH AIR PROVIDED BY AN AERATING MEANS BY ESTABLISHING AND MAINTAINING CAVITATION AT THE POINT OF INTRODUCTION OF AIR TO SAID ZONE SO AS TO MAINTAIN SAID ACETOBACTER AT ABOUT OPTIMAL CONCENTRATION THROUGHOUT
Claim 2
Dependent Claim
100 words
THE PROCESS FOR THE CONTINUOUS MANUFACTURE OF ACETIC ACID, WHICH COMPRISES THE STEPS OF CONTINUOUSLY INTRODUCING FRESH LIQUID CONTAINING ETHYL ALCOHOL AND WATER INTO A SUBSTANTIALLY FULLY FERMENTED SOLUTION COMPRISING WATER, ACETIC ACID AND ACETOBACTER, THE LATTER IN OPTIMAL CONCENTRATION, IN A FERMENTATION ZONE, SAID ACETIC ACID HAVING BEEN OXIDIZED IN SITU BY SAID ACETOBACTER FROM ETHYL ALCOHOL, CONTINUOUSLY RAPIDLY CONTACTING THROUGHOUT SAID ZONE SAID FRESH LIQUID WITH AIR PROVIDED BY AN AERATING MEANS BY ESTABLISHING AND MAINTAINING CAVITATION AT THE POINT OF INTRODUCTION OF AIR TO SAID ZONE SO AS TO MAINTAIN SAID ACETOBACTER AT ABOUT OPTIMAL CONCENTRATION THROUGHOUT
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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |