Patent · US Expired

Controlled drug releasing preparations

US3965255A · kind A · utility

37Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1974
Grant dateJun 22, 1976
Priority date
Expiry dateMay 1, 1994

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/284
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A drug delivery preparation with controlled release time and rate, comprising a therapeutic agent being encapsulated in or coated by a solvent membrane, as well as a process for the manufacture thereof, are disclosed.

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