Rumen-stable pellets
US4717567A · kind A · utility
26Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1985 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Nov 25, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5089
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are coatings for protecting pellet cores from environmental conditions of predetermined pH conditions. The coatings have a pH sensitive portion and a pH insensitive portion. The pH sensitive portion allows the cores to be protected by the coating under certain pH conditions and disintegrates under other pH conditions to allow exposure of the cores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.