Inventor
BELZER WERNER
DE6 patents
Patents
6 patentsUS7491824B2Feb 17, 2009
Method for preparing tiotropium salts
BOEHRINGER INGELHEIM PHARMA10 citations79
US6884886B2Apr 26, 2005
Process for preparing 6-aryl-4H-S-triazolo[3,4-c]-thieno[2,3-e]-1,4-diazepines
BOEHRINGER INGELHEIM PHARMA2 citations58
US6770762B2Aug 3, 2004
Process for preparing and purifying 1,7′-dimethyl-2′-propyl-2,5′-bi-1H-benzimidazole
BOEHRINGER INGELHEIM PHARMA5 citations57
US6849734B2Feb 1, 2005
Intermediates useful for preparing 4,6-diaminopyrido[5,4-d]pyrimidines
BOEHRINGER INGELHEIM PHARMA1 citations49
US6680384B2Jan 20, 2004
Process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines
BOEHRINGER INGELHEIM PHARMA1 citations49
US8008495B2Aug 30, 2011
Method for preparing tiotropium salts
BOEHRINGER INGELHEIM PHARMA1 citations47