US3579353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food products containing alkyl-substituted pyrazines
Assignee: Procter and Gamble Co
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Filing: 1967-10-23
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Granted: 1971-05-18
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Expires: 1987-10-23
Abstract
Abstract FOOD PRODUCTS ARE MADE MORE FLAVORFUL BY ADDING 0.1510,000 P.P.M. OF ALKYL-SUBSTITUTED PYRAZINES, ESPECIALLY THOSE HAVING MOLECUALR WEIGHT LESS THAN 140.
Inventors
- 👤 Gunther M Nakel
- 👤 Brinton Marlo Dirks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:16
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/20; A23L27/205; A23L27/2054
Claims Analysis
Total Claims: 0
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |