Patent · US Expired

Xanthine derivatives, and their use in pharmaceutical compositions

US4451449A · kind A · utility

4Cited by
1References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 29, 1981
Grant dateMay 29, 1984
Priority date
Expiry dateJun 29, 2001

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P9/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Ketals of 1-(1,3-dialkylxanthin-7-yl)propan-2-ones are of use in the treatment of vascular disorders. A representative embodiment is 2-methyl-2-(1,3-dibutylxanthin-7-ylmethyl)-1,3-dioxalane.

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