Patent · US Expired

Annealed coats

US5024842A · kind A · utility

162Cited by
15References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1990
Grant dateJun 18, 1991
Priority date
Expiry dateApr 2, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/2886
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A dosage form is disclosed comprising a coat that surrounds a drug. The coat comprises a subcoat and an overcoat thermally annealed to provide a single unit coat around the drug.

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