OS

Otto E. Sielcken

DN Dsm N.V.: 8 patents #16 of 669Top 3%
DB Dsm Ip Assets B.V.: 3 patents #458 of 2,011Top 25%
EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
Overall (All Time): #354,709 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7820849 Process for the carbonylation of conjugated dienes using a palladium catalyst system Imre Toth, Henricus Anna Christiaan Baur 2010-10-26
7102033 Continuous hydroformylation process for producing an aldehyde Hubertus Smits, Imre Toth 2006-09-05
7087797 Continuous hydroformylation process Hubertus Smits, Imre Toth 2006-08-08
6835850 Process for the carbonylation of a conjugated diene Eit Drent, Willem Jager, Imre Toth 2004-12-28
6232262 Carbonylation catalyst system Henk Oevering, Frank P. W. Agterberg, Paulus Franciscus Anna Buijsen, Imre Toth 2001-05-15
6175036 Process to prepare a pentenoic acid derivative Henk Oevering, Patrick M. Burke 2001-01-16
5693851 Process for the preparation of a mixture of alkyl pentenoates Hans Hovenkamp 1997-12-02
5679831 Process for the preparation of an ester 1997-10-21
5672732 Process for the carbonylation of butadiene or a butadiene derivative Frank P. W. Agterberg, Michael B. D'Amore, Harold S. Bruner, Jr. 1997-09-30
5620938 Epoxydation catalyst 1997-04-15
5585524 Method for the preparation of an aldehyde Nicolaas F. Haasen 1996-12-17
5495041 Process for the preparation of a pentenoate ester Frank P. W. Agterberg, Nicolaas F. Haasen 1996-02-27
5334768 Process for the production of a cycloalkanone and/or a cycloalkanol Johannes G. van Hinsberg, Cornelis G. M. van de Moesdijk, Ivo Spaargaren 1994-08-02
5319146 Alkyl peroxides and uses Ubaldus F. Kragten 1994-06-07