Low-substituted hydroxypropylcellulose powder
US9068021B2 · kind B2 · utility
1Cited by
9References
3Claims
0Family size
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Key dates
| Filing date | Jul 29, 2013 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Jul 29, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a low-substituted hydroxypropylcellulose powder having high compressibility, good flowability and excellent disintegration. The powder has an average particle size of 10 to 100 μm and a specific surface area measured by BET method of at least 1.0 m2/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.