WP

Waldemar Pfrengle

AC American Cyanamid: 2 patents #28 of 174Top 20%
SL Shell Research Limited: 2 patents #1 of 12Top 9%
📍 Biberach an der Riß, DE: #3 of 15 inventorsTop 20%
Overall (1997): #5,307 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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