Patent · US Expired

Dosage form for time-varying patterns of drug delivery

US5232705A · kind A · utility

30Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1992
Grant dateAug 3, 1993
Priority date
Expiry dateApr 1, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/0004
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A dosage form is disclosed that comprises means inside the dosage form for providing a substantially drug-free interval before the dosage form delivers a drug from inside the dosage form. The dosage form in an embodiment comprises a drug on the exterior of the dosage form, which drug is available for immediate delivery.

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