Title of Invention | METHOD OF ENCAPSULATING AN ACTIVE SUBSTANCE |
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Abstract | THE INVENTION PROVIDES A METHOD OF ENCAPSULATING AN ACTIVE SUBSTANCE IN AN INTERPOLYMER COMPLEX, TO MAKE AN ENCAPSULATED PRODUCT IN PARTICULATE FORM. THE METHOD COMPRISES FORMING A MIXTURE OF A SUPERCRITICAL FLUID, AN INTERPOLYMER COMPLEX AND AN ACTIVE SUBSTANCE AND THEN CAUSING OR ALLOWING THE INTERPOLYMER COMPLEX TO ENCAPSULATE THE ACTIVE SUBSTANCE. THE ENCAPLULATED PRODUCT IS THEN SEPARATED FROM THE SUPERCRITICAL FLUID AND , IF NECESSARY, THE PRODUCT IS SUBJECTED TO SIZE REDUCTION TO OBTAIN PARTICLES IN WHICH THE ACTIVE SUBSTANCE IS ENCAPSULATED BY THE INTERPOLYMER COMPLEX. |
Full Text |
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Patent Number | 208556 | ||||||||||||
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Indian Patent Application Number | 01622/KOL-NP/2003 | ||||||||||||
PG Journal Number | 31/2007 | ||||||||||||
Publication Date | 03-Aug-2007 | ||||||||||||
Grant Date | 02-Aug-2007 | ||||||||||||
Date of Filing | 16-Dec-2003 | ||||||||||||
Name of Patentee | C S I R | ||||||||||||
Applicant Address | CORPORATE BUILDING, SCIENTIA, 0002 PRETORIA,S0UTH AFRICA. | ||||||||||||
Inventors:
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PCT International Classification Number | A61K 9/50 | ||||||||||||
PCT International Application Number | PCT/IB02/01853 | ||||||||||||
PCT International Filing date | 2002-05-28 | ||||||||||||
PCT Conventions:
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