Biologically active composition comprising ethylcellulose
US9198865B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Sep 10, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A biologically active composition comprising an ethylcellulose, a polyethylene oxide and a biologically active ingredient, wherein the amount of ethylcellulose is at least about (15) percent, based on the total weight of the composition, can be used in melt-extrusion processes to produce pharmaceutical dosage forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.