Patent US3857946A successfully refreshed from Google Patents.
US3857946A
Expired / Lapsed
US
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Addition of hydroxamic acid derivatives to feeds for reducing odor or poultry excrement
Assignee: Eisai Co Ltd
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Filing: 1973-12-28
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Granted: 1974-12-31
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Expires: 1993-12-28
Abstract
Abstract An improved feed for domestic animals and poultry consisting of an essential amount of conventional feed and an effective amount of a hydroxamic acid compound represented by the general formula
Inventors
- 👤 A Shibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:34
CPC Classifications
A; A23; A23K; A23K50/00; A23K50/30; A23K20/00; A23K20/10; A23K20/105; A23K20/111; A23K20/116; A23K20/132; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
62 words
A METHOD OF REDUCING THE OBJECTIONABLE ODOR OF POULTRY EXCREMENT WHICH CONSISTS ESSENTIALLY OF FEEDING TO THE POULTRY A POULTRY FEED HAVING INCORPORATED THEREIN 20 TO 100 PPM OF A HYDROXAMIC ACID SELECTED FROM THE GROUP CONSISTING OF ACETOHYDROXAMIC ACID, CAPRYLOHYDROXAMIC ACID, UNSUBSTITUTED BENZOHYDROXAMIC ACID, NICOTHINOHYDROXAMIC ACID, PNITROBENZOHYDROXAMIC ACID, P-CHLOROBENZOHYDROXAMIC ACID, P-METHOXYBENZOHYDROXAMIC ACID, P-METHYLBENZOHYDROXAMIC ACID, O-METHYLBENZOHYDROXAMIC ACID, OCHLOROBENZOHYDROXAMIC ACID AND OMETHOXYBENZOHYDROXAMIC ACID.
Claim 2
Independent Claim
62 words
A METHOD OF REDUCING THE OBJECTIONABLE ODOR OF POULTRY EXCREMENT WHICH CONSISTS ESSENTIALLY OF FEEDING TO THE POULTRY A POULTRY FEED HAVING INCORPORATED THEREIN 20 TO 100 PPM OF A HYDROXAMIC ACID SELECTED FROM THE GROUP CONSISTING OF ACETOHYDROXAMIC ACID, CAPRYLOHYDROXAMIC ACID, UNSUBSTITUTED BENZOHYDROXAMIC ACID, NICOTHINOHYDROXAMIC ACID, PNITROBENZOHYDROXAMIC ACID, P-CHLOROBENZOHYDROXAMIC ACID, P-METHOXYBENZOHYDROXAMIC ACID, P-METHYLBENZOHYDROXAMIC ACID, O-METHYLBENZOHYDROXAMIC ACID, OCHLOROBENZOHYDROXAMIC ACID AND OMETHOXYBENZOHYDROXAMIC ACID.
Claim 3
Dependent Claim
13 words
A method according to claim 1 wherein the hydroxamic acid is nicotinohydroxamic acid.
Claim 4
Dependent Claim
13 words
A method according to claim 1 wherein the hydroxamic acid is acetohydroxamic acid.
Claim 5
Dependent Claim
15 words
A method according to claim 1 wherein the hydroxamic acid is an unsubstituted benzohydroxamic acid.
Claim 6
Dependent Claim
13 words
A method according to claim 1 wherein the hydroxamic acid is caprylohydroxamic acid.
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) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |