Theodor Engbert
21Patents
10h-index
43Co-inventors
71Inventor score
Filing activity: Mar 4, 1982 → Aug 31, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6020419A | Transparent coating compositions containing nanoscale particles and having improved scratch resistance | Chemistry; Metallurgy | 94 | Expired |
| US5998504A | Colloidal metal oxides having blocked isocyanate groups | Chemistry; Metallurgy | 42 | Expired |
| US4388246A | Process for the preparation of polyisocyanates | Chemistry; Metallurgy | 33 | Expired |
| US4692550A | Continuous process for thermal splitting of carbamic acid esters | Chemistry; Metallurgy | 32 | Expired |
| US4929724A | Process for the production of uretdione group-containing compounds, the compounds obtained according to this process and the use thereof in the production of polyurethane plastics material | Chemistry; Metallurgy | 29 | Expired |
| US4614785A | Process for the production of oligomeric polyisocyanates and their use in the production of polyurethane plastics | Chemistry; Metallurgy | 25 | Expired |
| US5717091A | Polycyclic iminooxadiazinediones, their preparation and use | Chemistry; Metallurgy | 12 | Expired |
| US6335381B1 | Aqueous coating compositions containing urethane (meth)acylates having UV-hardening isocyanate groups | Chemistry; Metallurgy | 11 | Expired |
| US5523377A | Blocked polyisocyanates | Chemistry; Metallurgy | 11 | Expired |
| US6242530A | Stabilized blocked isocyanates and their use in polyurethane stoving lacquers | Chemistry; Metallurgy | 10 | Expired |
| US5691438A | Blocked polyisocyanates and their use in stoving lacquers | Chemistry; Metallurgy | 10 | Expired |
| US5081203A | Moisture-hardening coating composition and method for its production | Chemistry; Metallurgy | 10 | Expired |
| US5889106A | Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole | Chemistry; Metallurgy | 9 | Expired |
| US5596064A | Polyisocyanates blocked with a mixture of blocking agents | Chemistry; Metallurgy | 7 | Expired |
| US5705593A | Diphenylmethane diisocyanate based polyisocyanates containing allophanate groups and having blocked isocyanate groups | Chemistry; Metallurgy | 6 | Expired |
| US5902897A | Polyamines and their use in coating compositions | Chemistry; Metallurgy | 4 | Expired |
| US4698424A | Isocyanato-isocyanurate derivatives | Chemistry; Metallurgy | 2 | Expired |
| US6428854B1 | One-component stoving composition and use thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6005046A | Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole | Chemistry; Metallurgy | 1 | Expired |
| US5532313A | Heat curable coating compositions and their use as top coats | Chemistry; Metallurgy | 1 | Expired |
| US6562463B2 | One-component stoving composition and use thereof | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.