US5270337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen removal
Assignee: General Mills Cereals LLC
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Filing: 1991-03-19
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Granted: 1993-12-14
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Expires: 2011-03-19
Abstract
Abstract An oxygen scavenging composition for use with foods, cosmetics, and pharmaceuticals comprising a combination of a metal that can exist in two redox states at ambient conditions, and a radical oxygen scavenger. The oxygen scavenging system is also effective in inhibiting the growth of yeasts, molds, and most aerobic bacteria.
Inventors
- 👤 Ernst Graf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/708; A23B2/712; A23B2/717; A61K47/00; A61K47/02; A61K47/06; A61K47/22; A61K8/30; A61K8/67; A61K8/676; A61Q; A61Q17/00; B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/266; C; C09; C09K; C09K15/00; C09K15/02; A61K2800/00; A61K2800/40; A61K2800/51; A61K2800/52; A61K2800/522
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
76 words
In a packaged ingestible product comprising a substantially non-oxygen permeable package and, contained therein, an ingestible product and an oxygen scavenging composition, the improvement wherein said oxygen scavenging composition comprises a solution of a reducing agent and a dissolved species of copper, said dissolved copper being present in an amount so as to provide, with respect to the total product within the package, from about 1 to 7 parts per million of copper as copper ion.
Claim 2
Dependent Claim
76 words
In a packaged ingestible product comprising a substantially non-oxygen permeable package and, contained therein, an ingestible product and an oxygen scavenging composition, the improvement wherein said oxygen scavenging composition comprises a solution of a reducing agent and a dissolved species of copper, said dissolved copper being present in an amount so as to provide, with respect to the total product within the package, from about 1 to 7 parts per million of copper as copper ion.
Claim 3
Dependent Claim
25 words
A packaged product in accordance with claim 1, wherein said reducing agent is ascorbic acid or salts or esters thereof, sodium sulfite, cysteine or catechol.
Claim 4
Dependent Claim
18 words
A packaged product in accordance with claim 1, wherein said oxygen scavenging composition further includes a chelating agent.
Claim 5
Dependent Claim
28 words
A packaged product in accordance with claim 3, wherein said chelating agent is selected from the group consisting of glycine, citric acid, EDTA, phosphate compounds and mixtures thereof.
Claim 6
Dependent Claim
18 words
A packaged product in accordance with claim 1, wherein said ingestible product is a food or a pharmaceutical.
Claim 7
Dependent Claim
33 words
A packaged product in accordance with claim 1, wherein said oxygen scavenging composition is dissolved in a vehicle selected from the group consisting of water, propylene glycol, glycerol, ethanol, fat and mixtures thereof.
Claim 8
Dependent Claim
33 words
A packaged product in accordance with claim 1, wherein said package is a jar or bottle with a lid or cap and the oxygen scavenging composition is incorporated in the lid or cap.
Claim 9
Dependent Claim
21 words
A packaged product in accordance with claim 1, wherein said oxygen scavenging composition in enrobed in an oxygen- and water-permeable material.
Claim 10
Dependent Claim
22 words
A packaged product in accordance with claim 1, wherein said copper is present in an amount of about 3 parts per million.
Claim 11
Dependent Claim
13 words
A packaged product in accordance with claim 6, wherein said vehicle is ethanol.
Claim 12
Dependent Claim
18 words
A packaged product in accordance with claim 1, wherein said oxygen scavenging composition comprises ascorbyl-6-palmitate and copper caprylate.
Claim 13
Dependent Claim
21 words
A packaged product in accordance with claim 2, wherein said reducing agent is ascorbic acid or a salt or ester thereof.
Claim 14
Dependent Claim
13 words
A packaged product in accordance with claim 6, wherein said vehicle is fat.
Claim 15
Dependent Claim
13 words
A packaged product in accordance with claim 6, wherein said vehicle is water.
Claim 16
Dependent Claim
38 words
A packaged product in accordance with claim 1, wherein said product is one containing fat, water or both fat and water and said reducing agent and said copper are dissolved in said fat and/or water of said product.
Claim 17
Dependent Claim
14 words
A packaged product in accordance with claim 1, wherein said product is a food.
Claim 18
Dependent Claim
14 words
A packaged product in accordance with claim 15, wherein said product is a food.
Claim 19
Dependent Claim
23 words
A packaged product in accordance with claim 1, wherein said copper is in the form of a Cu + or Cu 2+ ion.
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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) | 1996-12-13 | 1997-06-14 | 1997-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-13 | 2001-06-14 | 2001-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-13 | 2005-06-14 | 2005-12-14 | $7700.00 | Window Closed / Lapsed |