RD

Roy Gérard Doppen

NB Nouryon Chemicals International B.V.: 4 patents #19 of 207Top 10%
AB Akzo Nobel Chemicals International B.V: 3 patents #35 of 276Top 15%
📍 Deventer, NL: #15 of 180 inventorsTop 9%
Overall (All Time): #678,738 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12258541 Crumbly phase composition of methylglycine N,N diacetic acid Elwin Schomaker, Paulus Johannes Cornelis Van Haeren, Martin Heus, Marco Ypma, Stijn Richard Gerard Oudenhoven 2025-03-25
10836709 Process to prepare a solid composition of an amino acid diacetic acid Paulus Johannes Cornelis Van Haeren, Elwin Schomaker, Raymond Jean Cécile Vaessen, Marco Ypma, Stijn Oudenhoven +1 more 2020-11-17
10829719 Sodium methyl glycine-N,N-diacetic acid compound, process to prepare it and use thereof Elwin Schomaker, Paulus Johannes Cornelis Van Haeren, Martin Heus 2020-11-10
10590064 Crystals of alanine N-acetic acid precursors, process to prepare them and their use Albertus Jacobus Maria Bouwman, Hubertus Johannes Jongen, Martin Heus, Elwin Schomaker 2020-03-17
9815773 Crystalline particles of glutamic acid N,N-diacetic acid Cornelis Elizabeth Johannus Van Lare, Martin Heus, Elwin Schomaker, Paul Verwer 2017-11-14
9738594 Crystalline particles of salts of glutamic acid N,N-diacetic acid Martin Heus, Cornelis Elizabeth Johannus Van Lare 2017-08-22
9096820 Coated particles of a glumatic acid N,N-diacetate chelating agent Cornelis Elizabeth Johannus Van Lare 2015-08-04