US3020157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of ammoniating syrup
Assignee: Standard Brands Inc
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Filing: 1956-07-26
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Granted: 1962-02-06
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Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Walter R Fetzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:56
CPC Classifications
A; A23; A23K; A23K50/00; A23K50/10; A23K50/15; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF TREATING A SUGAR-CONTAINING AQUEOUS SYRUP, COMPRISING GRADUALLY ADDING TO AND DISPERSING AMMONIA VAPOR I A BODY OF THE SYRUP HAVING A TEMPERATURE IN THE RANGE OF AMBIENT TEMPERATURES TO 220* F., ADDING AN ACIDIC MATERIAL TO THE MIXTURE IN SUCH PROPORTION AS TO MAINTAIN THE MIXTURE DURING THE REACTION PERIOD WITHIN A PH RANGE OF 4.0 TO 7.5,AND TERMINATING THE TREATMENT WHEN THE NITROGEN CONTENT OF THE MIXTURE RESULTING FROM CHEMICAL REACTION HAS SUBSTANTIALLY INCREASED, THE WEIGHT OF AMMONIA EMPLOYED (CALCULATED AS ANHYDROUS NH3) BEING BETWEEN 2% AND 5.5% OF THE DRY SUBSTANCE WEIGHT OF THE SUGARS INITIALLY PRESENT.
Claim 2
Independent Claim
102 words
A METHOD OF TREATING A SUGAR-CONTAINING AQUEOUS SYRUP, COMPRISING GRADUALLY ADDING TO AND DISPERSING AMMONIA VAPOR I A BODY OF THE SYRUP HAVING A TEMPERATURE IN THE RANGE OF AMBIENT TEMPERATURES TO 220* F., ADDING AN ACIDIC MATERIAL TO THE MIXTURE IN SUCH PROPORTION AS TO MAINTAIN THE MIXTURE DURING THE REACTION PERIOD WITHIN A PH RANGE OF 4.0 TO 7.5,AND TERMINATING THE TREATMENT WHEN THE NITROGEN CONTENT OF THE MIXTURE RESULTING FROM CHEMICAL REACTION HAS SUBSTANTIALLY INCREASED, THE WEIGHT OF AMMONIA EMPLOYED (CALCULATED AS ANHYDROUS NH3) BEING BETWEEN 2% AND 5.5% OF THE DRY SUBSTANCE WEIGHT OF THE SUGARS INITIALLY PRESENT.
References Cited (Backward Citations)
US2197540A
Cited
US2603567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |