US3684530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coloring fruits and vegetables
Assignee: United States Department of Agriculture
•
Filing: 1971-05-25
•
Granted: 1972-08-15
•
Expires: 1991-05-25
Abstract
Abstract THE COLOR OF FRUITS AND VEGETABLE IS ENHANCED BY APPLYING THERETO A COMPOUND OF THE STRUCTURE 1-(R-CO-CH=CH-),4-((C2H5)2-N-(CH2)2-O-)BENZENE (WHERE R IS A LOWER ALKYL, PHENYL, HYDROXYPHENYL, ETC.) WHICH CAUSES ACCUMULATION OF LYCOPENE IN THE TISSUES OF THE TREATED PRODUCE. THE STATED COMPOUND IS APPLIED TO THE PRODUCED IN ADMIXTURE WITH A WAX CARRIER OR IN AN AQUEOUS SOLUTION.
Inventors
- 👤 Henry Yokoyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:34
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/41
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |