Cushioning wax beads for making solid shaped articles
US6923984B1 · kind B1 · utility
11Cited by
2References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 26, 2000 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Jan 25, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2077
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Biologically inactive cushioning beads comprise at least one compressible cushioning component consisting essentially of a microcrystalline hydrocarbon wax or a natural wax, the said wax being at least 30% by weight of the biologically inactive cushioning beads. Such beads are useful for making solid shaped articles containing biologically active ingredients by compression.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.