US4476112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food preservative composition
Assignee: STAY FRESH Inc ONE WASHINGTON MALL BOSTON 02108
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Filing: 1983-11-14
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Granted: 1984-10-09
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Expires: 2003-11-14
Abstract
Abstract This invention resides in a composition for treatment of meat, poultry, fruit and vegetables to maintain the color and to preserve same. The composition comprises as essential constituents between about 10 and 40% each of the following materials: (1) ascorbic acid and/or the sodium or potassium salts thereof; (2) citric acid and/or the sodium or potassium salts thereof; (3) sodium or potassium carbonate; and (4) sulfite, bisulfite or metabisulfite of sodium or potassium. These materials represent a synergistic combination which preserves the color and freshness of these products for a surprisingly long period of time.
Inventors
- 👤 Ralph W. Aversano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:39
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/02; A23B4/027; A23B4/12; A23B4/14; A23B4/18; A23B4/20; A23B7/00; A23B7/10; A23B7/14; A23B7/153; A23B7/154; A23B7/157; Y; Y02; Y02A; Y02A40/00; Y02A40/90
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
105 words
A composition for treating edible products to maintain the desirable color thereof and to maintain freshness consisting essentially of from 10 to 40% of each of the following components: (a) a material selected from the group consisting of ascorbic acid, the sodium and potassium salts thereof and mixtures thereof; (b) a material selected from the group consisting of citric acid, the sodium and potassium salts thereof and mixtures thereof; (c) a material selected from the group consisting of sodium carbonate, potassium carbonate and mixtures thereof; and (d) a material selected from the group consisting of sodium and potassium sulfite, bisulfite and metabisulfite and mixtures thereof.
Claim 2
Dependent Claim
105 words
A composition for treating edible products to maintain the desirable color thereof and to maintain freshness consisting essentially of from 10 to 40% of each of the following components: (a) a material selected from the group consisting of ascorbic acid, the sodium and potassium salts thereof and mixtures thereof; (b) a material selected from the group consisting of citric acid, the sodium and potassium salts thereof and mixtures thereof; (c) a material selected from the group consisting of sodium carbonate, potassium carbonate and mixtures thereof; and (d) a material selected from the group consisting of sodium and potassium sulfite, bisulfite and metabisulfite and mixtures thereof.
Claim 3
Dependent Claim
15 words
A composition according to claim 1 wherein said components are present in substantially equal quantities.
Claim 4
Dependent Claim
19 words
A composition according to claim 1 wherein said components are ascorbic acid, citric acid, sodium carbonate and sodium bisulfite.
Claim 5
Dependent Claim
13 words
A composition according to claim 1 wherein said composition is dissolved in water.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |