Controlled-release composition and the preparation thereof
US5151434A · kind A · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1989 |
| Grant date | Sep 29, 1992 |
| Priority date | — |
| Expiry date | Dec 12, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5026
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A controlled-release pharmaceutical preparation of 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine. The controlled-release preparation is in the form of powder or granule containing 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine, coated with medically non-active substance or in the form of rectal suppository containing 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine. Further the controlled-release is prepared by implanting 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine in fatty materials, or granulating it and coating the resultant particles with medically non-active substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.