Patent · US Expired

Syntheses of ureas

US7176222B2 · kind B2 · utility

20Cited by
16References
51Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 2005
Grant dateFeb 13, 2007
Priority date
Expiry dateMar 16, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides intermediates, synthetic methods and novel urea compositions of matter.

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