Inventor
Michael Ewald
Inventor
Marl, DE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds32%
C09DCoating compositions, e.g. paints, varnishes or lacquers15%
C08LCompositions of macromolecular compounds9%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C07CAcyclic or carbocyclic compounds6%
Y10TTechnical subjects covered by former us classification6%
A61LMethods or apparatus for sterilising materials or objects in general3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
PatentTitleYear
10,287,448Universal pigment preparation201910,113,025Functionalized ketone-aldehyde condensation resins20189,751,971'Dispersing resins for pigment preparations having a low volatile organic content'20179,221,945'Liquid, adhesion-promoting additive and process for its preparation'20157,781,538'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'20107,101,958'Ketone-aldehyde resins having low water content, high thermal stability and yellowing resistance'20067,001,973'Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups'20066,875,243'Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use'20056,800,714'Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups'20046,730,628'Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups'20046,613,863'Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups'20036,552,154'Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups'20036,452,003'Process for preparing low-odor and storage-stable monomer-containing polyisocyanurates from isophorone diisocyanate'20025,599,617'Nonslip article support pad'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Based in Highland Village, TX, US· patent location history
2002–2006Patents assigned to DEGUSSA (8)· patent assignee history
2002–2019Based in Marl, DE· patent location history
2010–2019Patents assigned to EVONIK DEGUSSA GMBH (4)· patent assignee history
2015–2017Patents assigned to ALZER HEIKO (2)· patent assignee history
2015–2017Patents assigned to EWALD MICHAEL (2)· patent assignee history
2015–2017Patents assigned to RETZLAFF ERIKA (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 8 | 2002–2006 |
| EVONIK DEGUSSA GMBH | 4 | 2010–2019 |
| ALZER HEIKO | 2 | 2015–2017 |
| EWALD MICHAELself | 2 | 2015–2017 |
| RETZLAFF ERIKA | 2 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marl, DE | 13 | 2002–2019 |
| Highland Village, Texas, US | 1 | 1997 |