Proliferous copolymer of vinyl pyrrolidone and vinyl acetate
US6620900B2 · kind B2 · utility
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11References
8Claims
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Key dates
| Filing date | Feb 7, 2002 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Feb 7, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F226/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
What is described herein is a pharmaceutical excipient which is a proliferous copolymer of vinyl pyrrolidone and vinyl acetate, having advantageous dissolution and disintegration properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.