Patent · US Expired

Controlled release coatings derived from aqueous dispersions of zein

US5356467A · kind A · utility

375Cited by
9References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1993
Grant dateOct 18, 1994
Priority date
Expiry dateAug 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.