PL

Petrus W. N. M. Van Leeuwen

Shell Oil Compny: 4 patents #22 of 337Top 7%
SB Shell Internationale Research Maatschappij B.V.: 1 patents #5 of 35Top 15%
Overall (1989): #2,361 of 140,708Top 2%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4859764 Copolymerization of carbon monoxide and olefin with nitrogen containing phosphine ligand catalyst Eit Drent, Richard L. Wife 1989-08-22
4855399 Carbon monoxide/olefin co-polymerization process with phosphino substituted sulfonic acid catalyst Johannes A. Van Doorn, Eit Drent, Nicolaas Meijboom, Aart Bartus Van Oort, Richard L. Wife 1989-08-08
4843145 Catalytic polymerization of CO/olefin with ortho polar substituted aryl bidentate p ligand Eit Drent, Richard L. Wife 1989-06-27
4820802 Improved process of preparing carbon monoxide/olefin copolymer with ortho substituted phosphine catalyst composition. Eit Drent, Richard L. Wife 1989-04-11
4795508 Soldering compositions 1989-01-03