US3968253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed additive for ruminants
Assignee: Evonik Operations GmbH
•
Filing: 1974-02-13
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Granted: 1976-07-06
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Expires: 1994-02-13
Abstract
Abstract N-hydroxymethyl methionine is incorporated in feeds for ruminants.
Inventors
- 👤 Heidrun Bertram
- 👤 Rudolf Fahnenstich
- 👤 Herbert Tanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:27
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/142; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
33 words
A process of supplying methionine to a ruminant comprising feeding the ruminant a basic feed composition including an additive consisting essentially of N-hydroxymethyl methionine of the formula ##EQU2## or a non-toxic salt thereof.
Claim 2
Dependent Claim
33 words
A process of supplying methionine to a ruminant comprising feeding the ruminant a basic feed composition including an additive consisting essentially of N-hydroxymethyl methionine of the formula ##EQU2## or a non-toxic salt thereof.
Claim 3
Dependent Claim
32 words
A process according to claim 1, wherein the N-hydroxymethyl methionine or salt thereof is added in an amount of 0.01 to 5% based on the dry weight of the total daily feed.
Claim 4
Dependent Claim
19 words
A process according to claim 1 wherein there is fed to the ruminant a nontoxic salt of N-hydroxymethyl methionine.
Claim 5
Dependent Claim
13 words
A process according to claim 3, wherein the salt is the calcium salt.
Claim 6
Dependent Claim
17 words
A process according to claim 1 wherein the salt is the sodium, potassium, magnesium, or calcium salt.
References Cited (Backward Citations)
GB730923A
Cited
US3619200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |