Patent · US Expired

Pharmaceutical compositions

US4883798A · kind A · utility

10Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 20, 1988
Grant dateNov 28, 1989
Priority date
Expiry dateJul 20, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The compounds of the general Formula I ##STR1## (wherein R.sup.1 and R.sup.2 may be the same or different and each stands for hydrogen, hydroxy, C.sub.1-6 alkoxy, C.sub.1-6 alkoxy-C.sub.1-6 alkoxy, C.sub.2-6 alkenyloxy or phenyl-(C.sub.1-3 alkoxy), or R.sup.1 and R.sup.2 together form C.sub.1-2 alkylenedioxy; with the proviso that at least one of symbols R.sup.1 and R.sup.2 is other than hydrogen and with the further proviso that R.sup.1 and R.sup.2 can not represent 3,4-dimethoxy substitution) and their pharmaceutically acceptable acid addition salts exhibit useful analgesic, antipyretic, anti-inflammatory, anti-anginal and antioxidant effect.

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