Global Patent Index - EP 1720884 A1

EP 1720884 A1 20061115 - POLYMORPHIC FORMS OF CLOPIDOGREL NAPSYLATE

Title (en)

POLYMORPHIC FORMS OF CLOPIDOGREL NAPSYLATE

Title (de)

POLYMORPHE FORMEN VON CLOPIDOGREL NAPSYLAT

Title (fr)

FORMES POLYMORPHES DE CLOPIDOGREL NAPSYLATE

Publication

EP 1720884 A1 20061115 (DE)

Application

EP 05700370 A 20050216

Priority

  • CH 2005000086 W 20050216
  • CH 3002004 A 20040224

Abstract (en)

[origin: WO2005080890A1] The invention relates to polymorphous forms of (+)-(S)-clopidogrel hydrogen bromide, described as polymorphous "form A", polymorphous "form B", polymorphous "form C", polymorphous "form D", polymorphous "form E", and polymorphous "form F", in addition to polymorphous forms of (+)-(S)-clopidogrel napsylate, that are described as polymorphous "form A" and polymorphous "form B" and differ in the X-ray powder diffraction diagrams (XRPD) thereof. The invention also relates to the salts clopidogrel besylate, clopidogrel tosylate and clopidogrel oxalate, and to methods for the production thereof.

IPC 8 full level

C07D 495/04 (2006.01); A61K 31/435 (2006.01)

CPC (source: EP US)

A61P 43/00 (2017.12 - EP); C07D 495/04 (2013.01 - EP US)

Citation (search report)

See references of WO 2005080890A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005080890 A1 20050901; WO 2005080890 A9 20051117; AU 2005214469 A1 20050901; CA 2557256 A1 20050901; CN 1922188 A 20070228; EP 1720884 A1 20061115; JP 2007523203 A 20070816; NO 20064332 L 20061121; RU 2006133842 A 20080327; TW 200540171 A 20051216; US 2007249660 A1 20071025

DOCDB simple family (application)

CH 2005000086 W 20050216; AU 2005214469 A 20050216; CA 2557256 A 20050216; CN 200580005926 A 20050216; EP 05700370 A 20050216; JP 2007500027 A 20050216; NO 20064332 A 20060925; RU 2006133842 A 20050216; TW 94105223 A 20050222; US 59039105 A 20050216