US4199606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propionic acid on a carrier material as a preservative
Assignee: Individual
•
Filing: 1978-02-21
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Granted: 1980-04-22
•
Expires: 1998-02-21
Abstract
Abstract Propionic acid absorbed on a particulate carrier material, including vermiculite and perlite, which will catalyze or effect the formation of monomeric propionic acid in the propionic acid vapors which evaporate therefrom is disclosed as a preservative for various agricultural crop products and derivative and by-products thereof, including animal feeds and cereals.
Inventors
- 👤 Bobby J. Bland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:41
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/788; A01; A01N; A01N37/00; A01N37/02; A23B2/729; A23B2/742; A23B2/754; A23K; A23K20/00; A23K20/20; A23K20/28; A23K30/00; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
101 words
A dry, free-flowing particulate composition useful as a preservative for a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch or lignin, and which product contains moisture, said particulate composition comprising verxite in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said verxite, and wherein the particle size of said verxite is within the range of from 150 to 2000 microns.
Claim 2
Dependent Claim
101 words
A dry, free-flowing particulate composition useful as a preservative for a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch or lignin, and which product contains moisture, said particulate composition comprising verxite in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said verxite, and wherein the particle size of said verxite is within the range of from 150 to 2000 microns.
Claim 3
Dependent Claim
23 words
The composition of claim 1 wherein said particle size of said verxite is within the range of from about 300 to 1500 microns.
Claim 4
Dependent Claim
30 words
The composition of claim 2 wherein there is from about 0.2 to 1.5 parts by weight of propionic acid in the liquid form per part by weight of said verxite.
Claim 5
Dependent Claim
21 words
The composition of claim 3 wherein said agricultural crop product is a processed agricultural crop product which is an animal foodstuff.
Claim 6
Dependent Claim
13 words
The composition of claim 3 wherein said agricultural crop product is cereal grain.
Claim 7
Dependent Claim
112 words
A dry, free-flowing particulate composition useful as a preservative for a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch or lignin, and which product contains moisture, said particulate composition comprising an expanded perlite which has been produced by thermal exfoliation in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite, and wherein the particle size of said expanded perlite is within the range of from 150 to 2000 microns.
Claim 8
Dependent Claim
112 words
A dry, free-flowing particulate composition useful as a preservative for a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch or lignin, and which product contains moisture, said particulate composition comprising an expanded perlite which has been produced by thermal exfoliation in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite, and wherein the particle size of said expanded perlite is within the range of from 150 to 2000 microns.
Claim 9
Dependent Claim
24 words
The composition of claim 6 wherein said particle size of said expanded perlite is within the range of from about 300 to 1500 microns.
Claim 10
Dependent Claim
31 words
The composition of claim 7 wherein there is from about 0.2 to 1.5 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite.
Claim 11
Dependent Claim
21 words
The composition of claim 8 wherein said agricultural crop product is a processed agricultural crop product which is an animal foodstuff.
Claim 12
Dependent Claim
13 words
The composition of claim 8 wherein said agricultural crop product is cereal grain.
Claim 13
Dependent Claim
129 words
A composition having improved storage characteristics comprising a raw or processed agricultural crop product which is subject to microbiological degradation and which is low in sugars and high in one or more of cellulose, starch and lignin and which contains moisture, admixed with a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising verxite in particulate form having absorbed thereon from about 0.2 to 1.5 parts by weight of proprionic acid in the liquid form per part by weight of said verxite, the particle size of said verxite being within the range of from about 150 to 2000 microns, and wherein the amount of said particulate composition admixed with said product is such as to provide from about 0.25 to 2.5 grams propionic acid per kilogram of said product.
Claim 14
Dependent Claim
129 words
A composition having improved storage characteristics comprising a raw or processed agricultural crop product which is subject to microbiological degradation and which is low in sugars and high in one or more of cellulose, starch and lignin and which contains moisture, admixed with a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising verxite in particulate form having absorbed thereon from about 0.2 to 1.5 parts by weight of proprionic acid in the liquid form per part by weight of said verxite, the particle size of said verxite being within the range of from about 150 to 2000 microns, and wherein the amount of said particulate composition admixed with said product is such as to provide from about 0.25 to 2.5 grams propionic acid per kilogram of said product.
Claim 15
Dependent Claim
140 words
A composition having improved storage characteristics comprising a raw or processed agricultural crop product which is subject to microbiological degradation and which is low in sugars and high in one or more of cellulose, starch and lignin and which contains moisture, admixed with a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising and expanded perlite which has been produced by thermal exfoliation in particulate form having absorbed thereon from about 0.2 to 1.5 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite, the particle size of said expanded perlite being within the range of from about 150 to 2000 microns, and wherein the amount of said particulate composition admixed with said product is such as to provide from about 0.25 to 2.5 grams propionic acid per kilogram of said product.
Claim 16
Dependent Claim
140 words
A composition having improved storage characteristics comprising a raw or processed agricultural crop product which is subject to microbiological degradation and which is low in sugars and high in one or more of cellulose, starch and lignin and which contains moisture, admixed with a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising and expanded perlite which has been produced by thermal exfoliation in particulate form having absorbed thereon from about 0.2 to 1.5 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite, the particle size of said expanded perlite being within the range of from about 150 to 2000 microns, and wherein the amount of said particulate composition admixed with said product is such as to provide from about 0.25 to 2.5 grams propionic acid per kilogram of said product.
Claim 17
Independent Claim
141 words
A method of inhibiting fungus growth in a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch and lignin, and which contains moisture, said method comprising intimately admixing with said product a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising verxite in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said verxite; the particle size of said verxite being within the range of from about 150 to 2000 microns, and wherein there is admixed with said product an amount of said particulate composition which will provide from about 0.25 to 2.5 grams of propionic acid per kilogram of said product.
Claim 18
Independent Claim
141 words
A method of inhibiting fungus growth in a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch and lignin, and which contains moisture, said method comprising intimately admixing with said product a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising verxite in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said verxite; the particle size of said verxite being within the range of from about 150 to 2000 microns, and wherein there is admixed with said product an amount of said particulate composition which will provide from about 0.25 to 2.5 grams of propionic acid per kilogram of said product.
Claim 19
Dependent Claim
48 words
The method of claim 13 wherein said verxite has a particle size within the range of from about 300 to 1500 microns and wherein there is from about 0.2 to 1.5 parts by weight of propionic acid in the liquid form per part by weight of said verxite.
Claim 20
Dependent Claim
21 words
The method of claim 14 wherein said agricultural crop product is a processed agricultural crop product which is an animal foodstuff.
Claim 21
Dependent Claim
13 words
The method of claim 14 wherein said agricultural crop product is cereal grain.
Claim 22
Dependent Claim
21 words
The method of claim 13 wherein said agricultural crop product is a processed agricultural crop product which is an animal foodstuff.
Claim 23
Independent Claim
152 words
A method of inhibiting fungus growth in a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch and lignin, and which contains moisture, said method comprising intimately admixing with said product a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising an expanded perlite which has been produced by thermal exfoliation in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite; the particle size of said expanded perlite being within the range of from about 150 to 2000 microns, and wherein there is admixed with said product an amount of said particulate composition which will provide from about 0.25 to 2.5 grams of propionic acid per kilogram of said product.
Claim 24
Independent Claim
152 words
A method of inhibiting fungus growth in a product consisting essentially of a raw or processed agricultural crop product which is subject to microbiological degradation, which is low in sugars and high in one or more of cellulose, starch and lignin, and which contains moisture, said method comprising intimately admixing with said product a fungus-inhibiting amount of a dry, free-flowing particulate composition comprising an expanded perlite which has been produced by thermal exfoliation in particulate form having absorbed thereon from about 0.1 to about 2.0 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite; the particle size of said expanded perlite being within the range of from about 150 to 2000 microns, and wherein there is admixed with said product an amount of said particulate composition which will provide from about 0.25 to 2.5 grams of propionic acid per kilogram of said product.
Claim 25
Dependent Claim
50 words
The method of claim 18 wherein said expanded perlite has a particle size within the range of from about 300 to 1500 microns and wherein there is from about 0.2 to 1.5 parts by weight of propionic acid in the liquid form per part by weight of said expanded perlite.
Claim 26
Dependent Claim
13 words
The method of claim 19 wherein said agricultural crop product is cereal grain.
References Cited (Backward Citations)
US2154449A
Cited
US2434204A
Cited
GB1002977A
Cited
US3627885A
Cited
US3682653A
Cited
US3836655A
Cited
GB1346152A
Cited
US3812269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-22 | 1983-10-22 | 1984-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-22 | 1987-10-22 | 1988-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-22 | 1991-10-22 | 1992-04-22 | $7700.00 | Window Closed / Lapsed |