Inventor
ZHU REIYAO
US41 patents
⚠️ This page may combine multiple inventors who share the name “ZHU REIYAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
29 patentsUS7127879B2Oct 31, 2006
Ply-twisted yarn for cut resistant fabrics
DU PONT68 citations97
US6534175B1Mar 18, 2003
Cut resistant fabric
DU PONT58 citations96
US7065950B2Jun 27, 2006
Modacrylic/aramid fiber blends for arc and flame protection
DU PONT63 citations95
US6840288B2Jan 11, 2005
Fire-retardant fabric with improved tear, cut, and abrasion resistance
DU PONT47 citations92
US6254988B1Jul 3, 2001
Comfortable cut-abrasion resistant fiber composition
DU PONT35 citations91
US7348059B2Mar 25, 2008
Modacrylic/aramid fiber blends for arc and flame protection and reduced shrinkage
DU PONT36 citations90
US7934396B2May 3, 2011
Cut-resistant gloves containing fiberglass and para-aramid
DU PONT9 citations84
US7934397B2May 3, 2011
Cut-resistant gloves containing fiberglass and para-aramid
DU PONT13 citations84
US7934395B2May 3, 2011
Cut-resistant gloves containing fiberglass and para-aramid
DU PONT11 citations84
US7934394B2May 3, 2011
Cut-resistant gloves containing fiberglass and para-aramid
DU PONT11 citations84
US7744999B2Jun 29, 2010
Crystallized meta-aramid blends for improved flash fire and arc protection
DU PONT8 citations84
US7669442B1Mar 2, 2010
Cut-resistant gloves containing fiberglass and para-aramid
DU PONT17 citations84
US7537830B2May 26, 2009
Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone, low thermal shrinkage fibers, flame resistant fibers, and antistatic fibers and fabrics and garments made therefrom and methods for making same
DU PONT8 citations84
US6918241B2Jul 19, 2005
Cut resistant yarns and process for making the same, fabric and glove
DU PONT7 citations74
US6880319B2Apr 19, 2005
Cut resistant yarns and process for making the same, fabric and glove
DU PONT8 citations74
US6602600B2Aug 5, 2003
Yarn and fabric having improved abrasion resistance
DU PONT11 citations74
US10253437B2Apr 9, 2019
Lightweight fabrics containing carbon-containing aramid fiber blend including modacrylic fiber
DU PONT4 citations73
US10253435B2Apr 9, 2019
Carbon-containing fiber blends including aramid and modacrylic fiber
DU PONT3 citations73
US9797070B1Oct 24, 2017
Intimate blends of carbon-containing and dyeable fibers
DU PONT4 citations73
US9598797B1Mar 21, 2017
Carbon-containing arc-resistant aramid fabrics from dissimilar yarns
DU PONT4 citations73
US7537831B2May 26, 2009
Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and modacrylic fibers and fabrics and garments made therefrom and methods for making same
DU PONT7 citations72
US7820572B2Oct 26, 2010
Garments comprising a flexible high thermal performance outer shell fabric of polybenzimidazole and polypyridobisimidazole fibers
DU PONT4 citations63
US7749601B2Jul 6, 2010
Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone, low thermal shrinkage fibers, flame resistant fibers, and antistatic fibers and fabrics and garments made therefrom and methods for making same
DU PONT2 citations63
US7700191B2Apr 20, 2010
Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and high modulus fibers and fabrics and garments made therefrom and methods for making same
DU PONT6 citations63
US7618707B2Nov 17, 2009
Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and modacrylic fibers and fabrics and garments made therefrom and methods for making same
DU PONT4 citations63
US6694719B2Feb 24, 2004
Cut resistant yarns and process for making the same, fabric and glove
DU PONT1 citations63
US7700190B2Apr 20, 2010
Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and textile fibers and fabrics and garments made therefrom and methods for making same
DU PONT2 citations58
US7820567B2Oct 26, 2010
Fabrics made from a blend of polypyridobisimidazole/flame-retardant treated cellulose fibers and articles made therefrom
DU PONT1 citations52
US7829483B2Nov 9, 2010
PIPD comfort fabrics and articled made therefrom
DU PONT0 citations51
ZHU REIYAO
7 patentsUS9370212B2Jun 21, 2016
Article of thermal protective clothing
ZHU REIYAO15 citations84
US9169582B2Oct 27, 2015
High moisture regain yarn, fabrics, and garments having superior arc protection
ZHU REIYAO8 citations84
US8133584B2Mar 13, 2012
Crystallized meta-aramid blends for flash fire and arc protection having improved comfort
ZHU REIYAO16 citations84
US8069643B2Dec 6, 2011
Limited-antimony-content and antimony-free modacrylic / aramid blends for improved flash fire and arc protection
ZHU REIYAO9 citations84
US8069642B2Dec 6, 2011
Crystallized meta-aramid blends for improved flash fire and superior arc protection
ZHU REIYAO7 citations84
US8166743B2May 1, 2012
Spun staple yarns made from blends of rigid-rod fibers and fibers derived from diamino diphenyl sulfone and fabrics and garments made therefrom and methods for making same
ZHU REIYAO2 citations62
US8695319B2Apr 15, 2014
Yarns of polyoxadiazole and modacrylic fibers and fabrics and garments made therefrom and methods for making same
ZHU REIYAO0 citations52
DUPONT SAFETY & CONSTRUCTION INC
5 patentsUS10590567B2Mar 17, 2020
Carbon-containing modacrylic and aramid bicomponent filament yarns
DUPONT SAFETY & CONSTRUCTION INC2 citations70
US12577397B2Mar 17, 2026
Flame-resistant garments and fabrics with yarns comprising a polymer blend of meta-aramid and polyvinylpyrrolidone
DUPONT SAFETY & CONSTRUCTION INC0 citations60
US12018407B2Jun 25, 2024
Processes for forming carbon-containing aramid bicomponent filament yarns
DUPONT SAFETY & CONSTRUCTION INC0 citations60
US11339508B2May 24, 2022
Process for forming a yarn comprising bicomponent filaments
DUPONT SAFETY & CONSTRUCTION INC0 citations60
US10982353B2Apr 20, 2021
Carbon-containing aramid bicomponent filament yarns
DUPONT SAFETY & CONSTRUCTION INC0 citations60