Patent · US Expired

Therapeutic agents

US5415871A · kind A · utility

58Cited by
9References
65Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1991
Grant dateMay 16, 1995
Priority date
Expiry dateApr 19, 2011

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/205
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A sustained release pharmaceutical formulation comprising xanthan gum, a pharmaceutically active ingredient for example, ibuprofen or flurbiprofen, and other optional excipients.

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