US3681091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preserving food materials,food product resulting therefrom,and preservative composition
Assignee: Stauffer Chemical Co
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Filing: 1970-05-06
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Granted: 1972-08-01
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Expires: 1990-05-06
Abstract
Abstract PRESERVING FOOD MATERIAL, ESPECIALLY LIQUIDS SUCH AS APPLE CIDER, AGAINST MICROBIAL SPOILAGE FOR EXTENDED PERIODS OF TIME BY INCORPORATING 1% OF A MEDIUM CHAIN LENGTH POLYPHOSPHATE, E.G., AVERAGE CHAIN LENGHT OF 25, IN THE FOOD MATERIAL WHICH IS TO BE PRESERVED.
Inventors
- 👤 Willibald F Kohl
- 👤 Rudolph H Ellinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:06
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/788; A23B70/00; A23B70/10
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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |