DS

David W. Sopher

Shell Oil Compny: 4 patents #842 of 4,423Top 20%
Basf Se: 1 patents #8,065 of 13,826Top 60%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
Overall (All Time): #888,273 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5593557 Electrode consisting of an iron-containing core and a lead-containing coating Andreas Gieseler, Hartmut Hibst, Klaus Harth, Peter Jaeger 1997-01-14
4855452 N-substituted azetidine carboxylate derivatives Pieter A. Verbrugge, Jannetje De Waal 1989-08-08
4778577 Process for preparing azetidine derivatives; and intermediates therein Pieter A. Verbrugge, Jannetje De Waal 1988-10-18
4760160 Preparation of 3-cyano-4-fluorophenol Jan Hermen Hendrik Meurs 1988-07-26
4663487 Preparation of 4,4-disubstituted cyclohexadienones Jan Hermen Hendrik Meurs 1987-05-05
4476025 Separation of certain carboxylic acids utilizing cation exchange membranes Helena L. Chum 1984-10-09