US3685998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protein cross-linked with polymerized unsaturated carboxylic acid
Assignee: Monsanto Co
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Filing: 1970-10-27
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Granted: 1972-08-22
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Expires: 1990-10-27
Abstract
Abstract IMPROVED PROTEIN FEED MATERIAL FOR RUMINANTS WHICH IS RESISTANT TO DIGESTIVE BREAKDOWN IN THE RUMEN BUT NOT IN THE ABOMASUM AND/OR INTESTINES WHICH COMPRISES THE REACTION PRODUCT OF A PROTEIN-CONTAINING FEED MATERIAL AND A POLYMERIZED UNSATURATED CARBOXYLIC ACID OR ANHYDRIDE. EXEMPLARY OF SUCH POLYMERS ARE ETHYLENE MALEIC ANHYDRIDE COPOLYMER AND POLYMALEIC ANDHYDRIDE HOMOPOLYMER.
Inventors
- 👤 Robert E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:41
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/142; A23K20/147; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |