Patent · US Expired

Therapeutic agents

US4839176A · kind A · utility

17Cited by
18References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1987
Grant dateJun 13, 1989
Priority date
Expiry dateDec 8, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/485
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A solid storage stable composition comprising ibuprofen or a pharmaceutically acceptable salt thereof and codeine or a pharmaceutically acceptable salt thereof together with a sufficient amount of a pharmaceutically acceptable insoluble salt of carboxymethylcellulose to prevent discoloration of the composition.

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