YF

Yvonne H. Frentzen

DN Dsm N.V.: 7 patents #23 of 669Top 4%
DB Dsm Ip Assets B.V.: 1 patents #1,007 of 2,011Top 55%
📍 Venlo, NL: #35 of 548 inventorsTop 7%
Overall (All Time): #656,346 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8080630 Process for preparing a melt-processable polyamide composition Albert A. Van Geenen, Cornelia Emilie Maria Bronsaer, Stanislaus M. P. Mutsers, Nicolaas J. M. L. Janssen 2011-12-20
6706153 Process for the separation of a ketoxime or aldoxime from an amide Nicolaas F. Haasen, Henricus F. W. Wolters 2004-03-16
6191274 Recovery of .epsilon.-caprolactam Rudolf P. M. Guit 2001-02-20
6111099 Process for the recovery of caprolactam from waste containing nylon Marcellinus P. G. Thijert, Rudolf L. Zwart 2000-08-29
6020486 Depolymerization of polyamides Martin Booij, Bart Kurt Stefaan Hommez, Eric Goethals 2000-02-01
5840773 Process for recovering and recycling polyamide from carpet waste Martin Booij, Jan A. J. Hendrix, Nicolaas M.H. Beckers 1998-11-24
5668277 Depolymerization of polyamides Jan A. J. Hendrix, Martin Booij 1997-09-16
5556890 Reclaiming .epsilon.-caprolactam from carpet waste Antoon H. T. Halderit, Martin Booij, Jan A. J. Hendrix 1996-09-17