| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.00 |
| PATENT ASSIGNEE | Advanced Polymer Systems |
| PATENT CLAIMS |
Time-release delivery vehicle in the form of porous microsphere for the sequestration & sustained delivery of an active ingredient, the vehicle comprising the prodt of the controlled dehydration of microspheres formed by the reaction of - Polymeric anionic material & - Polyvalent cation |
| PATENT PHOTOCOPY | Available on request |
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