Patent · US Expired

Novel galenic forms of verapamil, their preparation and medicines containing said novel galenic forms

US4859469A · kind A · utility

17Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 1986
Grant dateAug 22, 1989
Priority date
Expiry dateSep 18, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/275
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to a novel galenic form of verapamil which show an excellent bioavailability. The novel galenic form comprises microgranules containing a verapamil addition salt with an acid, associated to at least one wetting agent. The microgranules are coated with a porous membrane constituted of a synthetic polymer associated to an adjuvant.

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