Rumen-stable compositions
US4808412A · kind A · utility
14Cited by
20References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Jun 11, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/167
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A post-rumen effective composition for oral administration to ruminants containing a bioactive substance molecularly dispersed with a basic polymer. The bioactive substance is miscible with the polymer and may be a vitamin, antibiotic, peptide or anti-inflammatory agent. The basic polymer contains from about 1 percent to about 25 percent by weight of nitrogen and is resistant to a pH of greater than about 5 and soluble or swellable at a pH of less than about 3.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.