| Title of Invention | A CONTROLLED RELEASE BEAD AND METHOD OF PRODUCING THE SAME |
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| Abstract | A controlled release bead comprising (i) a core unit of a substantially water-soluble or water-swellable inert material; (ii) a first layer on the ;~~ core unit of a substantially water-insoluble polymer; (iii) a second layer covering the first layer and containing an active ingredient; and (iv) a third layer of polymer on the second layer effective for controlled release of the active ingredient, wherein said first layer is adapted to control water penetration into the core. |
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in-pct-2001-0788-che abstract.pdf
in-pct-2001-0788-che claims duplicate.pdf
in-pct-2001-0788-che claims.pdf
in-pct-2001-0788-che correspondence-others.pdf
in-pct-2001-0788-che correspondence-po.pdf
in-pct-2001-0788-che description (complete) duplicate.pdf
in-pct-2001-0788-che description (complete).pdf
in-pct-2001-0788-che drawings duplicate.pdf
in-pct-2001-0788-che drawings.pdf
in-pct-2001-0788-che form-1.pdf
in-pct-2001-0788-che form-13.pdf
in-pct-2001-0788-che form-18.pdf
in-pct-2001-0788-che form-26.pdf
in-pct-2001-0788-che form-3.pdf
in-pct-2001-0788-che form-5.pdf
in-pct-2001-0788-che petition.pdf
IN-PCT-2001-788-CHE CORRESPONDENCE OTHERS 07-12-2012.pdf
IN-PCT-2001-788-CHE CORRESPONDENCE OTHERS 11-10-2012.pdf
| Patent Number | 229260 | |||||||||||||||
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| Indian Patent Application Number | IN/PCT/2001/788/CHE | |||||||||||||||
| PG Journal Number | 12/2009 | |||||||||||||||
| Publication Date | 20-Mar-2009 | |||||||||||||||
| Grant Date | 16-Feb-2009 | |||||||||||||||
| Date of Filing | 07-Jun-2001 | |||||||||||||||
| Name of Patentee | PFIZER HEALTH AB | |||||||||||||||
| Applicant Address | 112 87 STOCKHOLM, | |||||||||||||||
Inventors:
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| PCT International Classification Number | A61K 9/16 | |||||||||||||||
| PCT International Application Number | PCT/SE99/02052 | |||||||||||||||
| PCT International Filing date | 1999-11-11 | |||||||||||||||
PCT Conventions:
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