Pulverulent hydroxypropyl-.beta.-cyclodextrin composition and process for its preparation
US5756484A · kind A · utility
28Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1996 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | Jun 3, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2305/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a novel pulverulent hydroxypropyl-.beta.-cyclodextrin compound having a centered particle size free of fine particles and an appreciably improved capacity to dissolve in aqueous medium. The compound also has good flowability and has the advantage of being compressible. The invention also relates to a process for the preparation of this pulverulent hydroxypropyl-.beta.-cyclodextrin compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.