WP

Waldemar Pfrengle

BO BOE: 19 patents #1,038 of 12,373Top 9%
AC American Cyanamid: 11 patents #114 of 1,554Top 8%
Basf Se: 6 patents #2,778 of 13,826Top 25%
SL Shell Research Limited: 3 patents #13 of 163Top 8%
Pfizer: 1 patents #3,022 of 5,153Top 60%
Overall (All Time): #76,724 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 25 most recent of 41 patents

Patent #TitleCo-InventorsDate
9751855 Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines Thorsten Pachur, Thomas Nicola, Adil Duran 2017-09-05
9499546 Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines Thorsten Pachur, Thomas Nicola, Adil Duran 2016-11-22
9212183 Salt forms of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine Peter Sieger 2015-12-15
9199998 Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositions Markus Frank, Thomas KLEIN 2015-12-01
8962636 Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositions Markus Frank, Thomas KLEIN 2015-02-24
8906931 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 Guenther Huchler, Markus Ostermeier, Peter Sieger 2014-12-09
8883800 Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositions Markus Frank, Thomas KLEIN 2014-11-11
8883805 Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines Thorsten Pachur, Thomas Nicola, Adil Duran 2014-11-11
8865729 Salt forms of a xanthine compound Peter Sieger 2014-10-21
8686148 Process for preparing new tiotropium salts, new tiotropium salts as such and pharmaceutical compositions thereof Rolf Banholzer, Peter Sieger 2014-04-01
8637530 8-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticals Peter Sieger 2014-01-28
8541450 Process for the preparation of chiral 8-(3-aminopiperidin-1yl)-xanthines Thorsten Pachur 2013-09-24
8263768 Process for the stereoselective preparation of bicyclic heterocycles Markus Ostermeier, Stefan Braith, Juergen Daeubler, Guenther Huchler 2012-09-11
8207335 Process for making certain compounds having B1 antagonistic activity Adil Duran, Markus Frank, Juergen Schnaubelt 2012-06-26
8106060 8-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticals Peter Sieger 2012-01-31
8101763 Method for producing scopine esters Werner Rall, Joerg Brandenburg, Rolf Herter 2012-01-24
7968717 Crystalline anhydrate with anticholinergic efficacy Peter Sieger 2011-06-28
7820815 Process for the preparation of chiral 8-(-3-aminopiperidin-1-yl) xanthines Thorsten Pachur, Thomas Nicola, Adil Duran 2010-10-26
RE40332 Fungicidal trifluoromethylalkylamino-triazolopyrimidines Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig +1 more 2008-05-20
7329663 Substituted-triazolopyrimidines as anticancer agents Mark R. Schmitt, Donald R. Kirsch, Jane E. Harris, Carl F. Beyer, Klaus-Juergen Pees +2 more 2008-02-12
7230104 Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidines Klaus-Juergen Pees, Gavin David Heffernan 2007-06-12
7084146 Fungicidal trifluoromethylalkylamino-triazolopyrimidines Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig +1 more 2006-08-01
6943252 Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidines Klaus-Juergen Pees, Gavin David Heffernan 2005-09-13
6747033 Fungicidal triazolopyrimid-7-ylideneamines 2004-06-08
6747154 Process for preparing scopine esters Joerg Brandenburg, Werner Rall 2004-06-08