Patent US2916385A successfully refreshed from Google Patents.
US2916385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloring composition and method of producing the same
Assignee: F Hoffmann La Roche AG
•
Filing: 1957-10-08
•
Granted: 1959-12-08
•
Expires: 1977-10-08
Abstract
No abstract record available.
Inventors
- 👤 Bauernfeind Jacob Christopher
- 👤 Bunnell Raymond Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:38
CPC Classifications
A; A23; A23D; A23D7/00; A23D7/005; A23D7/0056; A23C; A23C15/00; A23C15/02; A23C15/06; A23C15/12; A23C15/126; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/43; A23L5/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A REVERSIBLY GELABLE COLORING COMPOSITION COMPRISING ABOUT 1.0% TO ABOUT 30% BY WEIGHT OF B-CAROTENE SUSPENDED IN AN EDIBLE VEGETABLE OIL CONTAINING DISSOLVED THEREIN A MINOR PROPORTION OF AN EDIBLE FATTY ACID HAVING 16 TO 22 CARBON ATOMS.
Claim 2
Dependent Claim
38 words
A REVERSIBLY GELABLE COLORING COMPOSITION COMPRISING ABOUT 1.0% TO ABOUT 30% BY WEIGHT OF B-CAROTENE SUSPENDED IN AN EDIBLE VEGETABLE OIL CONTAINING DISSOLVED THEREIN A MINOR PROPORTION OF AN EDIBLE FATTY ACID HAVING 16 TO 22 CARBON ATOMS.
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |