US4306516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deodorizing litter for poultry farms
Assignee: Cosmin Corp
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Filing: 1980-05-09
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Granted: 1981-12-22
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Expires: 2000-05-09
Abstract
Abstract A particulate deodorizing poultry litter is described. The litter is a mixture comprised of from about 80 to about 95 percent by weight ferrous sulfate heptahydrate; from about 0.1 to about 3.5 percent by weight iron oxide and may contain from about 0.2 to about 1.5 percent calcium carbonate. The particles have from about 0.1 to about 0.5 percent by weight free sulfuric acid distributed on their surfaces. The particles range in size from about 0.02 to about 0.2 inches in diameter. The ammonia produced by zymosis of bird drippings is effectively reduced and maintained at levels less than 50 parts per million and usually less than 30 parts per million.
Inventors
- 👤 John E. Currey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:57
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/015; A01K1/0152
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
60 words
A solid particulate deodorizing litter mixture for application to the floor area of poultry enclosures comprising: (a) from about 80 to about 95 percent by weight ferrous sulfate heptahydrate, (b) from about 0.1 to about 3.5 percent by weight iron oxide, and (c) from about 0.1 to about 0.5 percent by weight free sulfuric acid distributed on the particle surfaces.
Claim 2
Dependent Claim
60 words
A solid particulate deodorizing litter mixture for application to the floor area of poultry enclosures comprising: (a) from about 80 to about 95 percent by weight ferrous sulfate heptahydrate, (b) from about 0.1 to about 3.5 percent by weight iron oxide, and (c) from about 0.1 to about 0.5 percent by weight free sulfuric acid distributed on the particle surfaces.
Claim 3
Dependent Claim
20 words
The litter of claim 1 wherein the composition includes from about 0.2 to about 1.5 percent by weight calcium carbonate.
Claim 4
Dependent Claim
21 words
The litter of claim 1 wherein the particulate mixture ranges in size from about 0.02 to about 0.2 inches in diameter.
Claim 5
Dependent Claim
12 words
The litter of claim 1 wherein the mixture contains a mold inhibitor.
Claim 6
Dependent Claim
12 words
The litter of claim 3 wherein the mold inhibitor is calcium propionate.
Claim 7
Independent Claim
75 words
A method of deodorizing fowl enclosures which comprises spreading on the floor area of said enclosures from about 0.15 to about 3.0 pounds per square foot of a particulate litter comprising: (a) from about 80 to about 95 percent by weight ferrous sulfate heptahydrate, (b) from about 0.1 to about 3.5 percent by weight iron oxide, and (c) from about 0.1 to about 0.5 percent by weight free sulfuric acid distributed on the particle surfaces.
Claim 8
Independent Claim
75 words
A method of deodorizing fowl enclosures which comprises spreading on the floor area of said enclosures from about 0.15 to about 3.0 pounds per square foot of a particulate litter comprising: (a) from about 80 to about 95 percent by weight ferrous sulfate heptahydrate, (b) from about 0.1 to about 3.5 percent by weight iron oxide, and (c) from about 0.1 to about 0.5 percent by weight free sulfuric acid distributed on the particle surfaces.
Claim 9
Dependent Claim
20 words
The method of claim 6 wherein the litter contains from about 0.2 to about 1.5 percent by weight calcium carbonate.
Claim 10
Dependent Claim
21 words
The method of claim 6 wherein the particulate mixture ranges in size from about 0.02 to about 0.2 inches in diameter.
Claim 11
Dependent Claim
12 words
The method of claim 6 wherein the mixture contains a mold inhibitor.
Claim 12
Dependent Claim
12 words
The method of claim 6 wherein the mold inhibitor is calcium propionate.
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) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |