Dennis A. Simpson
46Patents
20h-index
79Co-inventors
88Inventor score
Filing activity: Aug 19, 1985 → Mar 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4681811A | Color plus clear coatings employing polyepoxides and polyacid curing agents in the clear coat | Emerging Cross-Sectional Technologies | 161 | Expired |
| US6387519B1 | Cured coatings having improved scratch resistance, coated substrates and methods thereto | Emerging Cross-Sectional Technologies | 111 | Expired |
| US4650718A | Color plus clear coatings employing polyepoxides and polyacid curing agents | Emerging Cross-Sectional Technologies | 107 | Expired |
| US5196485A | One package stable etch resistant coating | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4703101A | Liquid crosslinkable compositions using polyepoxides and polyacids | Chemistry; Metallurgy | 82 | Expired |
| US6593417B1 | Coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 58 | Expired |
| US5256452A | One package stable etch resistant coating process | Chemistry; Metallurgy | 53 | Expired |
| US6610777B1 | Flexible coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 46 | Expired |
| US6657001B1 | Coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 45 | Expired |
| US6225434A | Film-forming compositions having improved scratch resistance | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6592999B1 | Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related thereto | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7053149B2 | Coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 32 | Expired |
| US6790904B2 | Liquid coating of film-forming resin and particles chemically modified to lower surface tension | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6987144B2 | Flexible coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 27 | Expired |
| US6803408B2 | Coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 26 | Expired |
| US7005472B2 | Coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 25 | Expired |
| US4737403A | Method of coating fiber-reinforced plastic substrates | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4917955A | Color plus clear composite coating having a catalyst-free base coat comprising polyepoxides and polyacid curing agents | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6759478B2 | Coating compositions having improved scratch resistance, coated substrates and methods related thereto | Chemistry; Metallurgy | 21 | Expired |
| US6592998B2 | Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related thereto | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7531074B2 | Coating line and process for forming a multilayer composite coating on a substrate | Chemistry; Metallurgy | 20 | Expired |
| US4849283A | Composite coatings employing polyepoxides and polyacid curing agents in base coats | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6319987A | Thermosetting compositions containing hydroxyl-functional polymers prepared using atom transfer radical polymerization | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6306965A | Thermosetting compositions containing carbamate-functional polylmers prepared using atom transfer radical polymerization | Chemistry; Metallurgy | 10 | Expired |
| US7959981B2 | Process for depositing multiple coatings layers on a substrate | Performing Operations; Transporting | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.