Inventor
WALKER FREDERICK HERBERT
US13 patents
⚠️ This page may combine multiple inventors who share the name “WALKER FREDERICK HERBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AIR PROD & CHEM
9 patentsUS6258920B1Jul 10, 2001
Polyamidoamine curing agents based on mixtures of fatty and aromatic carboxylic acids
AIR PROD & CHEM31 citations91
US5688905ANov 18, 1997
Primary-tertiary diamines mixed with polyamines as epoxy resin hardeners
AIR PROD & CHEM38 citations91
US6008313ADec 28, 1999
Polyamide curing agents based on mixtures of polyethyleneamines and piperazine derivatives
AIR PROD & CHEM42 citations90
US7666954B2Feb 23, 2010
Epoxy resin amine curing agent of N,N′-dimethyl secondary diamine polymer
AIR PROD & CHEM14 citations82
US6331583B1Dec 18, 2001
Acid catalyzed polymerization of aqueous epoxy resin emulsions and uses thereof
AIR PROD & CHEM14 citations72
US6777088B2Aug 17, 2004
Packaging materials having barrier coatings based on water-epoxy resin copolymers
AIR PROD & CHEM8 citations70
US6800717B2Oct 5, 2004
Acid catalyzed copolymerization of water and epoxy resin and uses thereof
AIR PROD & CHEM4 citations60
US9334409B2May 10, 2016
Curing agent for low temperature cure applications
AIR PROD & CHEM0 citations51
US7112635B2Sep 26, 2006
Acid catalyzed copolymerization of water, tetrahydrofuran and multifunctional epoxides and uses thereof
AIR PROD & CHEM0 citations51
WALKER FREDERICK HERBERT
3 patentsUS8735512B2May 27, 2014
Curing agent for low temperature cure applications
WALKER FREDERICK HERBERT4 citations70
US8512594B2Aug 20, 2013
Curing agent of N,N′-dimethyl-meta-xylylenediamine and multifunctional amin(s)
WALKER FREDERICK HERBERT6 citations69
US8536284B2Sep 17, 2013
N,N′-dimethyl secondary diamine polymer as epoxy resin curing agent
WALKER FREDERICK HERBERT0 citations49