Low-substituted hydroxypropyl cellulose and process for producing same
US6525192B2 · kind B2 · utility
5Cited by
12References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1999 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Jul 22, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B11/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a low-substituted hydroxypropyl cellulose having a loose bulk density of not less than 0.40 g/mL and a tap bulk density of not less than 0.60 g/mL and a process for producing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.