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%
📍 Biberach an der Riß, DE: #13 of 243 inventorsTop 6%
Overall (All Time): #76,724 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
6632821 Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidines Klaus-Juergen Pees, Gavin David Heffernan 2003-10-14
6284762 Fungicidal 6-(2-halo-4-alkoxyphenyl)-triazolopyrimidines 2001-09-04
6277857 Fungicidal 7-oxy-and 7-thio-substituted-triazolopyrimidines Klaus-Juergen Pees 2001-08-21
6255309 Fungicidal trifluoromethylalkylamino-triazolopyrimidines Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig +1 more 2001-07-03
6204269 Fungicidal trifluoromethylalkylamino-triazolopyrimidines Klaus-Juergen Pees, Guido Albert, Paul Carter, Annerose Rehnig, Henry Van Tuyl Cotter 2001-03-20
6020338 Fungicidal 7-alkyl-triazolopyrimidines Klaus-Juergen Pees, Guido Albert 2000-02-01
5994360 Fungicidal 5-alkyl-triazolopyrimidines 1999-11-30
5986135 Fungicidal trifluoromethylalkylamino-triazolopyrimidines Klaus-Juergen Pees, Guido Albert, Paul Carter, Annerose Rehnig, Henry Van Tuyl Cotter 1999-11-16
5981534 Fungicidal 6-(2,6-difluoro-4-alkoxyphenyl)-triazolopyrimidines 1999-11-09
5948783 Fungicidal trifluoromethylalkylamino-triazolopyrimidines Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig +1 more 1999-09-07
5849802 Fungicidal spirocyclic amines 1998-12-15
5641883 Fungicidal spiroheterocyclic derivatives 1997-06-24
5616708 Fungicidal spiroheterocyclic compounds 1997-04-01
5599818 Fungicidal spiroheterocyclic compounds 1997-02-04
5591741 Fungicidal spiroheterocyclic derivatives 1997-01-07
5462944 Fungicidal composition and method of combating fungi 1995-10-31