DR

Donald K. Raff

OB Oxea Bishop: 4 patents #1 of 16Top 7%
OG Oxea Gmbh: 2 patents #16 of 57Top 30%
ST Stepan: 1 patents #127 of 221Top 60%
CG Celanese Gmbh: 1 patents #238 of 404Top 60%
📍 Waynesville, NC: #9 of 82 inventorsTop 15%
🗺 North Carolina: #6,564 of 45,564 inventorsTop 15%
Overall (All Time): #643,163 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9676689 Manufacture of methylolalkanes with augmented heat transfer and improved temperature control Michael J. Stone, Howard W. Brooks, Heinz Strutz, Guido D. Frey, Norman Nowotny +4 more 2017-06-13
9394218 Manufacture of methylolalkanes Heinz Strutz, Guido D. Frey, Norman Nowotny, Marcos L. Schroeder, Fred Gaytan +2 more 2016-07-19
9315694 Vinyl acetate/vinyl 3,5,5-trimethylhexanoate copolymer binder resins Antonietta Schiro, Tito Zanetta, Christoph Balzarek, Olivier Borgmeier, Guido D. Frey +2 more 2016-04-19
9115110 Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production Guido D. Frey, Kurt Schalapski, Dirk Bermann, Norman Nowotney, Heinz Strutz 2015-08-25
8921618 Recovery of trimethylolpropane from purification residue Kenneth A. Windhorst, Oakley T. Cortez 2014-12-30
8759593 Recovery of alcohols from purification residue Kenneth A. Windhorst, Oakley T. Cortez 2014-06-24
6110998 Latex compositions containing a trimethylolalkane monocyclic formal as a coalescing solvent William E. Slinkard 2000-08-29
4673460 Deresination method of wood pulp 1987-06-16