Invention Grant
- Patent Title: Method of preparing controlled-release preparations for biologically active materials and resulting compositions
- Patent Title (中): 制备用于生物活性材料和所得组合物的控释制剂的方法
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Application No.: US313543Application Date: 1994-09-27
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Publication No.: US5753259APublication Date: 1998-05-19
- Inventor: Sven Engstrom , Kare Larsson , Bjorn Lindman
- Applicant: Sven Engstrom , Kare Larsson , Bjorn Lindman
- Assignee: GS Development AB
- Current Assignee: GS Development AB
- Priority: SEX8206744 19821126
- Main IPC: A01N25/04
- IPC: A01N25/04 ; A61K9/00 ; A61K9/10 ; A61K9/127 ; A61K9/22 ; A61K9/70 ; A61K47/00 ; C05G3/00
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.
Public/Granted literature
- US4936289A Usage responsive hot water recirculation system Public/Granted day:1990-06-26
Information query
