Low-substituted hydroxypropyl cellulose
US6380381B1 · kind B1 · utility
3Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | May 17, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B11/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides low-substituted hydroxypropyl cellulose exhibiting good granulation characteristics and tablet properties. Specifically, there is provided low-substituted hydroxypropyl cellulose having a hydroxypropoxyl content in the range of 5.0 to 16.0% by weight and an apparent average degree of polymerization in the range of 350 to 700.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.