US3404987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food preservative compositions and method for inhibiting microbial growth in food products
Assignee: Procter and Gamble Co
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Filing: 1965-03-31
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Granted: 1968-10-08
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 John A Kooistra
- 👤 John A Troller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; A; A01; A01N; A01N59/00; A01N59/16; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/788; A23P; A23P20/00; A23P20/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN ANTIMICROBIAL FOOD PRESERVATIVE COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 1 TO 10 PARTS BY WEIGHT AN EDIBLE MINERAL SALT SELECTED FROM THE GROUP CONSISTING OF SALTS OF IRON, MAGANESE, ZINC, TIN, AND SILVER AND FROM ABOUT 1 TO 150 PARTS BY WEIGHT OF AN EDIBLE PRESERVATIVE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF PROPIONIC ACID, SORBIC ACID, BENZOIC ACID, METHYL AND ETHYL ESTERS OF BENZOIC ACID AND EDIBLE SALTS OF THESE ACIDS.
Claim 2
Dependent Claim
73 words
AN ANTIMICROBIAL FOOD PRESERVATIVE COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 1 TO 10 PARTS BY WEIGHT AN EDIBLE MINERAL SALT SELECTED FROM THE GROUP CONSISTING OF SALTS OF IRON, MAGANESE, ZINC, TIN, AND SILVER AND FROM ABOUT 1 TO 150 PARTS BY WEIGHT OF AN EDIBLE PRESERVATIVE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF PROPIONIC ACID, SORBIC ACID, BENZOIC ACID, METHYL AND ETHYL ESTERS OF BENZOIC ACID AND EDIBLE SALTS OF THESE ACIDS.
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |