US3583894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enzyme preparation of hesperetin dihydrochalcone glucoside
Assignee: United States Department of Agriculture
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Filing: 1968-03-29
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Granted: 1971-06-08
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Expires: 1988-03-29
Abstract
Abstract PROCESS FOR PREPARING HESPERETIN DIHYDROCHALCONE GLUCOSIDE FROM HESPERIDIN BY TREATING HESPERIDIN WITH ALKALI, HYDROGENATING AND HYDROLYZING WITH NARINGINASE FREE OF GLUCOSIDASE TO REMOVE RHAMMOSE.
Inventors
- 👤 Robert M Horowitz
- 👤 Bruno Gentili
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:52
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/06; C07H17/065; C07H17/07; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/917
Claims Analysis
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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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |