US2950974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of flavonoid glycosides
Assignee: Rohm and Haas Co
•
Filing: 1958-05-26
•
Granted: 1960-08-30
•
Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Carl V Smythe
- 👤 Dudley W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:10
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/26; A; A23; A23L; A23L2/00; A23L2/70; A23L2/84; A23L5/00; A23L5/20; A23L5/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD FOR IMPROVING THE TASTE, INCLUDING DECREASING THE BITTERNESS BY DECREASING THE NARINGIN CONTENT OF NARINGIN-CONTAINING JUICES, WHICH COMPRISES TREATING SAID JUICES WITH AN ADDED ENZYME PREPARATION CONTAINING NARINGINASE AND DISCONTINUING THE ACTION OF SAID NARINGINASE WHEN AT LEAST 15% OF NARINGIN IS CONVERTED TO PRUNIN AND BEFORE COMPLETE CONVERSION TO NARINGENIN WHEN THERE REMAINS AN AMOUNT OF PRUNIN WHICH IS EQUIVALENT T AT LEAST 15% OF ORIGINAL NARINGIN IN THE TREATED JUICE.
Claim 2
Independent Claim
74 words
A METHOD FOR IMPROVING THE TASTE, INCLUDING DECREASING THE BITTERNESS BY DECREASING THE NARINGIN CONTENT OF NARINGIN-CONTAINING JUICES, WHICH COMPRISES TREATING SAID JUICES WITH AN ADDED ENZYME PREPARATION CONTAINING NARINGINASE AND DISCONTINUING THE ACTION OF SAID NARINGINASE WHEN AT LEAST 15% OF NARINGIN IS CONVERTED TO PRUNIN AND BEFORE COMPLETE CONVERSION TO NARINGENIN WHEN THERE REMAINS AN AMOUNT OF PRUNIN WHICH IS EQUIVALENT T AT LEAST 15% OF ORIGINAL NARINGIN IN THE TREATED JUICE.
References Cited (Backward Citations)
US1932833A
Cited
US2563855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |