Assignee
PFRENGLE WALDEMAR
DE9 patents
Top patents by PatentIndex Score
US8962636B2Feb 24, 2015
Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositions
PFRENGLE WALDEMAR47 citations97
US8106060B2Jan 31, 2012
8-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticals
PFRENGLE WALDEMAR67 citations97
US8883800B2Nov 11, 2014
Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositions
PFRENGLE WALDEMAR28 citations92
US8637530B2Jan 28, 2014
8-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticals
PFRENGLE WALDEMAR27 citations92
US8883805B2Nov 11, 2014
Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines
PFRENGLE WALDEMAR28 citations91
US8541450B2Sep 24, 2013
Process for the preparation of chiral 8-(3-aminopiperidin-1yl)-xanthines
PFRENGLE WALDEMAR26 citations91
US9499546B2Nov 22, 2016
Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines
PFRENGLE WALDEMAR0 citations51
US8906931B1Dec 9, 2014
9-[4-(3-chloro-2-fluoro-phenylamino-7-methoxy-quinazoline-6-yloxy]-1,4-diaza-spiro[5.5]undecane-5-one dimaleate, use thereof as a medicament and method for the production thereof
PFRENGLE WALDEMAR0 citations51
US8101763B2Jan 24, 2012
Method for producing scopine esters
PFRENGLE WALDEMAR0 citations40