PL

Petrus W. N. M. Van Leeuwen

Shell Oil Compny: 24 patents #90 of 4,423Top 3%
CG Celanese Gmbh: 2 patents #111 of 478Top 25%
DN Dsm N.V.: 2 patents #144 of 669Top 25%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
SB Shell Internationale Research Maatschappij B.V.: 1 patents #62 of 211Top 30%
UA Universiteit Van Amsterdam: 1 patents #6 of 42Top 15%
Overall (All Time): #125,755 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4474978 Preparation of carbamates Eit Drent 1984-10-02
4467116 Process for the hydroformylation of olefins Cornelis F. Roobeek 1984-08-21
4408078 Process for the hydroformylation of olefins Cornelis F. Roobeek 1983-10-04
4330678 Process for the hydroformylation of olefins Cornelis F. Roobeek 1982-05-18
4189403 Catalyst for cyclodimerization of isoprene Cornelis F. Roobeek 1980-02-19