Patent · US Expired

Terazosin polymorph and pharmaceutical composition

US5294615A · kind A · utility

26Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 1993
Grant dateMar 15, 1994
Priority date
Expiry dateJul 13, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P35/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A novel anhydrous crystalline polymorph of 1-(4-amino-6,7-dimethoxy- 2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine monohydrochloride is disclosed, together with pharmaceutical formulations containing the compound. The novel polymorph exhibits a diminished food effect when administered to human subjects.

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