Inventor · disambiguated record
Michael Ewald
Also filed as: EWALD MICHAEL · EWALD MICHAEL A
14 granted patents·5 pending applications·274 citations·filing 1995–2017
93Inventor score
Top patents by PatentIndex Score
19 records- 0194US6552154B1Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groupsDEGUSSA·Filed 2000·Granted Apr 22, 2003·49 cites·10 claims
- 0290US6800714B2Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groupsDEGUSSA·Filed 2003·Granted Oct 5, 2004·29 cites·16 claims
- 0389US6730628B2Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groupsDEGUSSA·Filed 2003·Granted May 4, 2004·27 cites·15 claims
- 0487US7101958B2Ketone-aldehyde resins having low water content, high thermal stability and yellowing resistanceDEGUSSA·Filed 2004·Granted Sep 5, 2006·29 cites·39 claims
- 0587US7001973B2Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groupsDEGUSSA·Filed 2003·Granted Feb 21, 2006·26 cites·27 claims
- 0686US6452003B1Process for preparing low-odor and storage-stable monomer-containing polyisocyanurates from isophorone diisocyanateDEGUSSA·Filed 2001·Granted Sep 17, 2002·25 cites·38 claims
- 0785US6613863B2Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groupsDEGUSSA·Filed 2001·Granted Sep 2, 2003·31 cites·10 claims
- 0881US10287448B2Universal pigment preparationEVONIK DEGUSSA GMBH·Filed 2017·Granted May 14, 2019·2 cites·22 claims
- 0981US9751971B2Dispersing resins for pigment preparations having a low volatile organic contentVEIT THOMAS·Filed 2015·Granted Sep 5, 2017·4 cites·14 claims
- 1081US9221945B2Liquid, adhesion-promoting additive and process for its preparationALZER HEIKO·Filed 2014·Granted Dec 29, 2015·8 cites·16 claims
- 1172US7781538B2Tin-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 polyisocynatesEVONIK DEGUSSA GMBH·Filed 2005·Granted Aug 24, 2010·2 cites·38 claims
- 1267US10113025B2Functionalized ketone-aldehyde condensation resinsEVONIK DEGUSSA GMBH·Filed 2016·Granted Oct 30, 2018·1 cites·11 claims
- 1359US6875243B2Catalysts for preparing polyisocyanates containing isocyanurate groups, and their useDEGUSSA·Filed 2002·Granted Apr 5, 2005·4 cites·48 claims
- 1453US5599617ANonslip article support padSTRUCKMEYER CORP·Filed 1995·Granted Feb 4, 1997·37 cites·5 claims
- 1551US2006074217A1Ketone-aldehyde resins having low water content, high thermal stability and yellowing resistanceDEGUSSA·Filed 2005·Application pending·0 cites
- 1650US2009198024A1Formaldehyde-free, carbonyl- and ring-hydrogenated ketone-aldehyde resins based on alkyl aryl ketones and formaldehyde which have a low oh functionality and a process for preparing themEVONIK DEGUSSA GMBH·Filed 2007·Application pending·0 cites
- 1750US2009099332A1Formaldehyde-free, oh-functional, carbonyl- and ring-hydrogenated ketone-aldehyde resins based on alkyl aryl ketones and formaldehyde and a process for preparing themEVONIK DEGUSSA GMBH·Filed 2007·Application pending·0 cites
- 1845US2009048363A1Radiosensitive substanceDEGUSSA·Filed 2005·Application pending·0 cites
- 1933US2003135007A1Catalysts for preparing polyisocyanates containing isocyanurate groups, and their useDEGUSSA·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →