US4510162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for absorbing oxygen and carrier therefore
Assignee: Creative Research and Development Inc
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Filing: 1983-03-07
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Granted: 1985-04-09
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Expires: 2003-03-07
Abstract
Abstract An oxygen absorbent composition mounted on a suitable carrier and adapted to be mounted in a closeable container for removing oxygen from the space within the container. The composition comprises iron particles and yeast, mixed together with some moisture.
Inventors
- 👤 Jerry W. Nezat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:13
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/326; A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/708; A23B2/712; A23B2/717; A23B2/725; A23B2/729; A23B2/783
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
54 words
An oxygen absorbing composition mounted on a carrier for carrying the composition and said carrier being capable of being placed in a closable container for removing oxygen from the space within the container, said oxygen absorbing composition comprising iron particles and yeast mixed together with moisture in an amount sufficient to dampen the composition.
Claim 2
Dependent Claim
54 words
An oxygen absorbing composition mounted on a carrier for carrying the composition and said carrier being capable of being placed in a closable container for removing oxygen from the space within the container, said oxygen absorbing composition comprising iron particles and yeast mixed together with moisture in an amount sufficient to dampen the composition.
Claim 3
Dependent Claim
12 words
The composition of claim 1 wherein said yeast is dry activated yeast.
Claim 4
Dependent Claim
22 words
The composition of claim 1 wherein the iron particles are comprised of iron powder having a mesh size between 50 and 250.
Claim 5
Dependent Claim
15 words
The composition of claim 3 wherein said iron powder has a mesh size of 200.
Claim 6
Dependent Claim
28 words
The composition of claim 3 wherein the ratio by volume of yeast to iron powder is from 1:50 to 30:1 yeast by volume to iron powder by volume.
Claim 7
Dependent Claim
18 words
The composition of claim 5 wherein the ratio by volume of yeast to iron powder is approximately 1:8.
Claim 8
Dependent Claim
29 words
The composition of claim 1 wherein the weight of iron powder to yeast for each quart of air space to be deoxygenated is approximately 1/1000 lb to 1/69,000 lb.
Claim 9
Dependent Claim
27 words
The composition of claim 7 wherein approximately 1 and 1/4 teaspoons of water are added for each quart of air space to the composition to dampen same.
Claim 10
Dependent Claim
14 words
The composition of claim 1 wherein said carrier is a piece of cotton cloth.
Claim 11
Dependent Claim
13 words
The composition of claim 1 wherein said carrier is a piece of cotton.
Claim 12
Dependent Claim
18 words
The composition of claim 1 wherein said carrier and composition thereon are wrapped in an oxygen permeable film.
Claim 13
Dependent Claim
20 words
The composition of claim 1 wherein said carrier is affixed to the underside of a closure member for a container.
Claim 14
Dependent Claim
14 words
The composition of claim 1 including a small amount of acetic acid added thereto.
Claim 15
Dependent Claim
15 words
The composition of claim 1 including a small amount of ascorbic acid and sodium bisulfate.
Claim 16
Dependent Claim
23 words
The composition of claim 7 wherein 11/4 teaspoons of 1% vinegar/water solution are added for each quart of air space to said composition.
Claim 17
Dependent Claim
51 words
The composition of claim 15 being mounted in a closed container containing fresh fruits or vegetables and wherein said composition has added thereto 1 gallon of a mixture of ascorbic acid and sodium bisulfate mixed in a ratio of 1:1 by weight for each one hundred pounds of fruit or vegetables.
Claim 18
Dependent Claim
24 words
The composition of claim 1 being mounted in a container for a liquid, such as water, for removing oxygen therefrom to provide deoxygenated liquid.
Claim 19
Dependent Claim
27 words
The composition of claim 1 being mounted in a microwave oven which is capable of heating the iron particles to enhance and accelerate oxidation of the particles.
Claim 20
Dependent Claim
34 words
The composition of claim 1 being mounted under the cover for a container for foodstuffs comprising fresh grown foodstuffs, prepared foodstuffs, dried foodstuffs or moist or liquid foodstuffs for humans or other living creatures.
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) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |