Inventor · disambiguated record
Donald Robb Vonk
Also filed as: VONK DONALD · VONK DONALD R · VONK DONALD ROBB
17 granted patents·4 pending applications·242 citations·filing 1994–2025
92Inventor score
Files withHENKEL AG & CO KGAA14PPG IND OHIO INC3PPG INDUSTRIES INC2GREENE JEFFREY ALLEN1VONK DONALD1
Top patents by PatentIndex Score
21 records- 0194US5588989AZinc phosphate coating compositions containing oxime acceleratorsPPG INDUSTRIES INC·Filed 1994·Granted Dec 31, 1996·146 cites·33 claims
- 0293US9284460B2Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substratesHENKEL AG & CO KGAA·Filed 2013·Granted Mar 15, 2016·8 cites·31 claims
- 0392US9580813B2Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substratesHENKEL AG & CO KGAA·Filed 2016·Granted Feb 28, 2017·3 cites·15 claims
- 0482US6749694B2Conversion coatings including alkaline earth metal fluoride complexesPPG IND OHIO INC·Filed 2002·Granted Jun 15, 2004·25 cites·9 claims
- 0581US2025340753A1Thin corrosion protective coatings incorporating polyamidoamine polymersHENKEL AG & CO KGAA·Filed 2025·Application pending·0 cites
- 0679US12365812B2Thin corrosion protective coatings incorporating polyamidoamine polymersHENKEL AG & CO KGAA·Filed 2021·Granted Jul 22, 2025·0 cites·18 claims
- 0779US5653790AZinc phosphate tungsten-containing coating compositions using acceleratorsPPG INDUSTRIES INC·Filed 1996·Granted Aug 5, 1997·51 cites·33 claims
- 0877US7776448B2Conversion coatings including alkaline earth metal fluoride complexesPPG IND OHIO INC·Filed 2008·Granted Aug 17, 2010·2 cites·12 claims
- 0970US11131027B2Metal pretreatment composition containing zirconium, copper, zinc and nitrate and related coatings on metal substratesHENKEL AG & CO KGAA·Filed 2018·Granted Sep 28, 2021·0 cites·32 claims
- 1070US11104823B2Thin corrosion protective coatings incorporating polyamidoamine polymersHENKEL AG & CO KGAA·Filed 2017·Granted Aug 31, 2021·0 cites·19 claims
- 1170US2025313702A1Sealant compositionsHENKEL AG & CO KGAA·Filed 2025·Application pending·0 cites
- 1268US10094026B2Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substratesHENKEL AG & CO KGAA·Filed 2017·Granted Oct 9, 2018·0 cites·26 claims
- 1367US12276030B2Metal pretreatment compositions containing phenalkamine compoundsHENKEL AG & CO KGAA·Filed 2021·Granted Apr 15, 2025·0 cites·49 claims
- 1463US11407921B2Reaction products of catechol compounds and functionalized co-reactant compounds for metal pretreatment applicationsHENKEL AG & CO KGAA·Filed 2019·Granted Aug 9, 2022·0 cites·11 claims
- 1563US7402214B2Conversion coatings including alkaline earth metal fluoride complexesPPG IND OHIO INC·Filed 2003·Granted Jul 22, 2008·5 cites·12 claims
- 1661US12227668B2Use of preformed reaction products of catechol compounds and functionalized co-reactant compounds to reduce oxidation of bare metal surfacesHENKEL AG & CO KGAA·Filed 2019·Granted Feb 18, 2025·0 cites·25 claims
- 1760US9970115B2Metal pretreatment composition containing zirconium, copper, zinc, and nitrate and related coatings on metal substratesVONK DONALD·Filed 2012·Granted May 15, 2018·2 cites·35 claims
- 1859US11891534B2Treatment of conversion-coated metal substrates with preformed reaction products of catechol compounds and functionalized co-reactant compoundsHENKEL AG & CO KGAA·Filed 2019·Granted Feb 6, 2024·0 cites·20 claims
- 1957US11535940B2Use of an adhesion promoter obtainable as a reaction product of a di- or poly amine with α,β-unsaturated carboxylic acid derivatives for metal surface treatmentHENKEL AG & CO KGAA·Filed 2019·Granted Dec 27, 2022·0 cites·21 claims
- 2054US2022364240A1Bismuth compositions for metal pretreatment applicationsHENKEL AG & CO KGAA·Filed 2022·Application pending·0 cites
- 2147US2008283152A1Rinse conditioner bath for treating a substrate and associated methodGREENE JEFFREY ALLEN·Filed 2007·Application pending·0 cites
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