Inventor
VONK DONALD ROBB
US8 patents
⚠️ This page may combine multiple inventors who share the name “VONK DONALD ROBB”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL AG & CO KGAA
5 patentsUS11407921B2Aug 9, 2022
Reaction products of catechol compounds and functionalized co-reactant compounds for metal pretreatment applications
HENKEL AG & CO KGAA0 citations54
US12365812B2Jul 22, 2025
Thin corrosion protective coatings incorporating polyamidoamine polymers
HENKEL AG & CO KGAA0 citations53
US11104823B2Aug 31, 2021
Thin corrosion protective coatings incorporating polyamidoamine polymers
HENKEL AG & CO KGAA0 citations53
US12227668B2Feb 18, 2025
Use of preformed reaction products of catechol compounds and functionalized co-reactant compounds to reduce oxidation of bare metal surfaces
HENKEL AG & CO KGAA0 citations44
US11891534B2Feb 6, 2024
Treatment of conversion-coated metal substrates with preformed reaction products of catechol compounds and functionalized co-reactant compounds
HENKEL AG & CO KGAA0 citations44
PPG IND OHIO INC
3 patentsUS6749694B2Jun 15, 2004
Conversion coatings including alkaline earth metal fluoride complexes
PPG IND OHIO INC25 citations90
US7402214B2Jul 22, 2008
Conversion coatings including alkaline earth metal fluoride complexes
PPG IND OHIO INC5 citations71
US7776448B2Aug 17, 2010
Conversion coatings including alkaline earth metal fluoride complexes
PPG IND OHIO INC2 citations60