Patent · US Expired

Acetylsalicylic acid derivative and pharmaceutical composition thereof

US4849417A · kind A · utility

3Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1988
Grant dateJul 18, 1989
Priority date
Expiry dateFeb 11, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The hydrated complex of magnesium acetylsalicylate and urea of formula ##STR1## possesses exceptional analgesic and antipyretic properties. It may be crystallized from a solution obtained by reacting acetylsalicylic acid with magnesium carbonate in the presence of urea.

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