Method of preparing controlled-release preparations for biologically active materials and resulting compositions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 19, 1998
Issued Date -
N/A
app pub date -
Sep 27, 1994
filing date -
Nov 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and product for preparing a controlled-release composition are provided. The method comprises formation of a mixture containing at least one amphiphilic substance capable of forming a liquid crystalline phase, in contact with a liquid selected from the group consisting of water, glycerol, ethylene glycol, propylene glycol and mixtures thereof. The method includes a step of providing in such mixture a bioactive material.
First Claim
Family
International Classification(s)
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