Highly compressible ethylcellulose for tableting
US6592901B2 · kind B2 · utility
95Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Oct 25, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical dosage form composition is composed of an ethylcellulose that has an ethoxyl range lower limit of 49.6%, an a viscosity of less than 53 cps and at least one active pharmaceutical ingredient. This dosage form is highly compressible and compactible forming harder tables or pellets with better release retardation than comparable prior art tablets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.