Controlled release coatings derived from aqueous dispersions of zein
US5356467A · kind A · utility
375Cited by
9References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Aug 6, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2389/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Stable aqueous dispersions of zein which may be used as controlled release coatings of pharmaceutical, animal, health, or food products in an inorganic solvent-free environment are disclosed, as well as methods for preparing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.