PROCESS FOR PRODUCTION OF BUPRENORPHINE PHARMACEUTICAL PREPARATION TO BE APPLIED TO MOUTH MUCOSA
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 22, 2010
app pub date -
Mar 14, 2008
filing date -
Mar 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The objective of the present invention is to provide a process for producing a buprenorphine pharmaceutical preparation to be applied to mouth mucosa. The process according to the present invention for producing a buprenorphine pharmaceutical preparation to be applied to mouth mucosa includes steps of: preparing a granule for an immediate-release layer containing a buprenorphine hydrochloride crystal having 90% cumulative diameter of 200 μm or less; preparing a granule for a sustained-release layer containing a buprenorphine hydrochloride crystal having 90% cumulative diameter of 250 μm or less; and tabletting the granule for the immediate-release layer and the granule for the sustained-release layer into a two-layer tablet.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully