Patent · US Expired

8-chloro-6,11-dihydro-11-(4-piperidylidine)-5H-benzo[5,6]cyclohepta[1-2-b] pyridine

US6506767B1 · kind B1 · utility

9Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 1998
Grant dateJan 14, 2003
Priority date
Expiry dateJul 1, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Crystalline polymorphs of 8-chloro-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5,6]cycloheptic[1,2-b]pyridine represented by the formula pharmaceutical compositions containing such polymorphs, and methods of using such polymorphs to treat allergic reactions in mammals such as man are disclosed.

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