Method of grinding pharmaceutical substances
US5518187A · kind A · utility
281Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1994 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Jan 12, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/928
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of preparing particles of a drug substance or diagnostic imaging agent which comprises grinding the drug substance or imaging agent in the presence of grinding media comprising a polymeric resin. The method provides particles exhibiting reduced contamination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.