Inventor
EWALD MICHAEL
DE14 patents
⚠️ This page may combine multiple inventors who share the name “EWALD MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
8 patentsUS6552154B1Apr 22, 2003
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
DEGUSSA49 citations96
US6800714B2Oct 5, 2004
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
DEGUSSA29 citations92
US6730628B2May 4, 2004
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
DEGUSSA27 citations92
US6452003B1Sep 17, 2002
Process for preparing low-odor and storage-stable monomer-containing polyisocyanurates from isophorone diisocyanate
DEGUSSA25 citations92
US7001973B2Feb 21, 2006
Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups
DEGUSSA26 citations91
US6613863B2Sep 2, 2003
Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups
DEGUSSA31 citations91
US7101958B2Sep 5, 2006
Ketone-aldehyde resins having low water content, high thermal stability and yellowing resistance
DEGUSSA29 citations88
US6875243B2Apr 5, 2005
Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use
DEGUSSA4 citations56
EVONIK DEGUSSA GMBH
3 patentsUS10287448B2May 14, 2019
Universal pigment preparation
EVONIK DEGUSSA GMBH2 citations63
US7781538B2Aug 24, 2010
Tin-free, high-melting reaction products of carbonyl-hydrogenated ketone aldehyde resins, hydrogenated ketone resins, and carbonyl-hydrogenated and core-hydrogenated ketone aldehyde resins based on aromatic ketones and polyisocynates
EVONIK DEGUSSA GMBH2 citations62
US10113025B2Oct 30, 2018
Functionalized ketone-aldehyde condensation resins
EVONIK DEGUSSA GMBH1 citations43