Inventor

VONK DONALD

US2 patents

⚠️ This page may combine multiple inventors who share the name “VONK DONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VONK DONALD

1 patent

US9970115B2May 15, 2018

Metal pretreatment composition containing zirconium, copper, zinc, and nitrate and related coatings on metal substrates

VONK DONALD2 citations59

HENKEL AG & CO KGAA

1 patent

US11131027B2Sep 28, 2021

Metal pretreatment composition containing zirconium, copper, zinc and nitrate and related coatings on metal substrates

HENKEL AG & CO KGAA0 citations54