Inventor
LEFFEW KENNETH W
US11 patents
⚠️ This page may combine multiple inventors who share the name “LEFFEW KENNETH W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
9 patentsUS5540868AJul 30, 1996
Process for pellet formation from amorphous polyester
DU PONT110 citations96
US5633018AMay 27, 1997
Apparatus for forming crystalline polymer pellets
DU PONT94 citations94
US5532333AJul 2, 1996
Production of poly(ethylene terephthalate)
DU PONT44 citations94
US5510454AApr 23, 1996
Production of poly(ethylene terephthalate)
DU PONT63 citations94
US5017451AMay 21, 1991
Continuous process for preparing resin particles in a liquid
DU PONT27 citations92
US4804557AFeb 14, 1989
Thickness control system having a duty cycle controller
DU PONT23 citations79
US4804556AFeb 14, 1989
Edge thickness control system
DU PONT10 citations73
US4810527AMar 7, 1989
Free surface casting method
DU PONT13 citations71
US4765941AAug 23, 1988
Thickness control system for an extrusion coating apparatus
DU PONT15 citations71