Patent · US Expired

Organic compounds

US6204308A · kind A · utility

1Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1999
Grant dateMar 20, 2001
Priority date
Expiry dateMar 1, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/5026
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An emulsion-based method of microencapsulating an active agent wherein a water-in-oil emulsion, containing a matrix-forming polymer and an active agent, is dispersed in an aqueous external phase to form a microencapsulated product.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.