KL

Kenneth Wayne Leffew

EA E.I. Du Pont De Nemours And: 25 patents #198 of 8,010Top 3%
IS Invista North America S.A.R.L.: 1 patents #169 of 403Top 45%
PO Philips And Du Pont Optical: 1 patents #3 of 18Top 20%
Xerox: 1 patents #5,237 of 8,622Top 65%
📍 Kennett Square, PA: #20 of 289 inventorsTop 7%
🗺 Pennsylvania: #2,031 of 74,527 inventorsTop 3%
Overall (All Time): #139,504 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
8835547 Fluoropolymer particles having a nucleus of fluorinated ionomer Ralph Birchard Lloyd, Charles Joseph Noelke 2014-09-16
8436053 Fluorinated ionomer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer Ralph Birchard Lloyd, Charles Joseph Noelke 2013-05-07
8436054 Fluorinated ionomer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer produced in situ Ralph Munson Aten, Ralph Birchard Lloyd, Charles Joseph Noelke 2013-05-07
8153738 Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer Ralph Birchard Lloyd, Charles Joseph Noelke 2012-04-10
8058376 Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated lonomer produced in situ Ralph Munson Aten, Ralph Birchard Lloyd, Charles Joseph Noelke 2011-11-15
6835335 Process for crystallizing at least a portion of a crystallizable condensation homopolymer to form solid particles Vivek Kapur, Govindasamy Rajendran 2004-12-28
6476180 Process for producing an oriented shaped article Vivek Kapur, Govindasamy Paramasivam Rajendran 2002-11-05
6451966 Method for increasing solid state polymerization rate Andrew Witt 2002-09-17
6409491 Extrusion die assembly David Rule 2002-06-25
5990265 Production of poly(trimethylene terephthalate) Elwood Neal Blanchard, Craig Robert Gochanour, Jan M. Stouffer 1999-11-23
5830982 Production of poly (ethylene terephthalate) Jan M. Stouffer, Elwood Neal Blanchard 1998-11-03
5811496 Process for polymerization of polyester oligomers John M. Iwasyk, Julie Anderson Rakestraw 1998-09-22
5763104 Production of poly(trimethylene terephthalate) Jan M. Stouffer, Elwood Neal Blanchard 1998-06-09
5744074 Process for forming crystalline polymer pellets Jan M. Stouffer, Elwood Neal Blanchard 1998-04-28
5730913 Process for forming crystalline polymer pellets Jan M. Stouffer, Elwood Neal Blanchard 1998-03-24
5714262 Production of poly(ethylene terephthalate) Jan M. Stouffer, Elwood Neal Blanchard 1998-02-03
5670606 Crystalline form of poly(ethylene 2,6-naphthalate) and a method for its production Jan M. Stouffer, Elwood Neal Blanchard 1997-09-23
5633018 Apparatus for forming crystalline polymer pellets Jan M. Stouffer, Elwood Neal Blanchard 1997-05-27
5540868 Process for pellet formation from amorphous polyester Jan M. Stouffer, Elwood Neal Blanchard 1996-07-30
5532333 Production of poly(ethylene terephthalate) Jan M. Stouffer, Elwood Neal Blanchard 1996-07-02
5510454 Production of poly(ethylene terephthalate) Jan M. Stouffer, Elwood Neal Blanchard 1996-04-23
5206108 Method of producing a high solids replenishable liquid developer containing a friable toner resin Thomas C. Felder, Jill R. Lorey 1993-04-27
5176859 Apparatus/and method for controlling an injection molding process producing a molded part 1993-01-05
5017451 Continuous process for preparing resin particles in a liquid James R. Larson 1991-05-21
4810527 Free surface casting method James E. Geary, Jr., David R. Schiff, Richard D. Mules 1989-03-07