Patent · US Expired

Process for large-scale production of BMY 21502

US4963678A · kind A · utility

2Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 1989
Grant dateOct 16, 1990
Priority date
Expiry dateOct 27, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An improved process, suitable for adaption to large-scale manufacture for synthesis of the cerebral function enhancing agent BMY 21502.

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