Inventor · disambiguated record
Frederick Herbert Walker
Also filed as: WALKER FREDERICK H · WALKER FREDERICK HERBERT
21 granted patents·357 citations·filing 1990–2014
96Inventor score
Top patents by PatentIndex Score
21 records- 0193US7666954B2Epoxy resin amine curing agent of N,N′-dimethyl secondary diamine polymerAIR PROD & CHEM·Filed 2006·Granted Feb 23, 2010·14 cites·17 claims
- 0293US5489630ASelf-emulsifying epoxy curing agentAIR PROD & CHEM·Filed 1994·Granted Feb 6, 1996·51 cites·25 claims
- 0384US8512594B2Curing agent of N,N′-dimethyl-meta-xylylenediamine and multifunctional amin(s)WALKER FREDERICK HERBERT·Filed 2008·Granted Aug 20, 2013·6 cites·18 claims
- 0482US5688905APrimary-tertiary diamines mixed with polyamines as epoxy resin hardenersAIR PROD & CHEM·Filed 1995·Granted Nov 18, 1997·38 cites·18 claims
- 0581US6008313APolyamide curing agents based on mixtures of polyethyleneamines and piperazine derivativesAIR PROD & CHEM·Filed 1997·Granted Dec 28, 1999·42 cites·25 claims
- 0681US5527839ASelf-emulsifying epoxy curing agent based on the reaction product of epoxy resin and polyether polyolAIR PROD & CHEM·Filed 1994·Granted Jun 18, 1996·26 cites·25 claims
- 0780US8735512B2Curing agent for low temperature cure applicationsWALKER FREDERICK HERBERT·Filed 2008·Granted May 27, 2014·4 cites·22 claims
- 0879US5576416AAmide-containing self-emulsifying epoxy curing agentAIR PROD & CHEM·Filed 1994·Granted Nov 19, 1996·21 cites·29 claims
- 0978US6331583B1Acid catalyzed polymerization of aqueous epoxy resin emulsions and uses thereofAIR PROD & CHEM·Filed 2000·Granted Dec 18, 2001·14 cites·36 claims
- 1078US6258920B1Polyamidoamine curing agents based on mixtures of fatty and aromatic carboxylic acidsAIR PROD & CHEM·Filed 1999·Granted Jul 10, 2001·31 cites·15 claims
- 1172US5599855ASelf-emulsifying epoxy curing agentAIR PROD & CHEM·Filed 1995·Granted Feb 4, 1997·25 cites·22 claims
- 1272US5155201APolyurethane polyols and high solids coatings therefromAKZO NV·Filed 1990·Granted Oct 13, 1992·31 cites·59 claims
- 1368US6777088B2Packaging materials having barrier coatings based on water-epoxy resin copolymersAIR PROD & CHEM·Filed 2002·Granted Aug 17, 2004·8 cites·32 claims
- 1466US9334409B2Curing agent for low temperature cure applicationsAIR PROD & CHEM·Filed 2014·Granted May 10, 2016·0 cites·18 claims
- 1560US6800717B2Acid catalyzed copolymerization of water and epoxy resin and uses thereofAIR PROD & CHEM·Filed 2002·Granted Oct 5, 2004·4 cites·33 claims
- 1652US5596030AAmide-containing self-emulsifying epoxy curing agentAIR PROD & CHEM·Filed 1995·Granted Jan 21, 1997·11 cites·26 claims
- 1748US5130405AAcid etch resistant coatingsAKZO NV·Filed 1991·Granted Jul 14, 1992·14 cites·29 claims
- 1847US7112635B2Acid catalyzed copolymerization of water, tetrahydrofuran and multifunctional epoxides and uses thereofAIR PROD & CHEM·Filed 2004·Granted Sep 26, 2006·0 cites·24 claims
- 1947US6753386B1Polyurethane polyols and coatings thereof having reduced viscosityAKZO NOBEL NV·Filed 1997·Granted Jun 22, 2004·11 cites·13 claims
- 2045US8536284B2N,N′-dimethyl secondary diamine polymer as epoxy resin curing agentWALKER FREDERICK HERBERT·Filed 2010·Granted Sep 17, 2013·0 cites·21 claims
- 2138US5491192ANon-aqueous dispersion for alkyd formulationROHM & HAAS·Filed 1991·Granted Feb 13, 1996·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →