P

Inventor

KNOX BENJAMIN H

US28 patents

Patents

28 patents
US4156071AMay 22, 1979

Poly(ethylene terephthalate) flat yarns and tows

DU PONT78 citations96
US4195051AMar 25, 1980

Process for preparing new polyester filaments

DU PONT73 citations95
US4134882AJan 16, 1979

Poly(ethylene terephthalate)filaments

DU PONT118 citations95
US5604036AFeb 18, 1997

Hollow nylon filaments

DU PONT44 citations94
US5288553AFeb 22, 1994

Polyester fine filaments

DU PONT20 citations92
US5250245AOct 5, 1993

Process for preparing polyester fine filaments

DU PONT41 citations92
US5417902AMay 23, 1995

Process of making polyester mixed yarns with fine filaments

DU PONT27 citations91
US5356582AOct 18, 1994

Continuous hollow filament, yarns, and tows

DU PONT20 citations91
US5585182ADec 17, 1996

Process for polyester fine hollow filaments

DU PONT35 citations90
US5439626AAug 8, 1995

Process for making hollow nylon filaments

DU PONT34 citations90
US5360667ANov 1, 1994

Nylon flat yarns

DU PONT16 citations78
US5407621AApr 18, 1995

Process for preparing polyester fine filaments

DU PONT12 citations73
US5261472ANov 16, 1993

Polyester filaments, yarns and tows

DU PONT7 citations73
US5229060AJul 20, 1993

Process for improving the properties of a feed yarn of undrawn polyester filaments

DU PONT10 citations73
US5223198AJun 29, 1993

Process of making mixed shrinkage yarn

DU PONT11 citations73
US5066447ANov 19, 1991

Process for improving the properties of a feed yarn

DU PONT15 citations73
US5532060AJul 2, 1996

Continuous hollow filaments, yarns, and tows

DU PONT10 citations72
US5487859AJan 30, 1996

Process of making fine polyester hollow filaments

DU PONT12 citations71
US5384082AJan 24, 1995

Process of making spin-oriented polyester filaments

DU PONT16 citations71
US5364701ANov 15, 1994

Mixed filament yarn of polyester filaments and nylon filaments

DU PONT15 citations70
US5223197AJun 29, 1993

Process of making mixed filament yarn

DU PONT10 citations70
US5202182AApr 13, 1993

Multifilament apparel yarns of nylon

DU PONT8 citations69
US5137666AAug 11, 1992

Multifilament apparel yarns of nylon

DU PONT9 citations69
US5505894AApr 9, 1996

Process of making spin-oriented, biconstituent filaments

DU PONT5 citations60
US5244616ASep 14, 1993

Method of making improved polyester filaments, yarns and tows

DU PONT4 citations59
US5145623ASep 8, 1992

Method of making improved polyester filaments, yarns and tows

DU PONT6 citations59
US5419964AMay 30, 1995

Nylon flat yarns

DU PONT4 citations58
US5219503AJun 15, 1993

Process of making nylon flat yarns

DU PONT6 citations58