Debra L. Singer
51Patents
18h-index
86Co-inventors
87Inventor score
Filing activity: Sep 29, 1982 → Dec 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6235858A | Aminoplast curable film-forming compositions providing films having resistance to acid etching | Chemistry; Metallurgy | 463 | Expired |
| US4681811A | Color plus clear coatings employing polyepoxides and polyacid curing agents in the clear coat | Emerging Cross-Sectional Technologies | 161 | Expired |
| US6268055A | Photochromic epoxy resin coating composition and articles having such a coating | Emerging Cross-Sectional Technologies | 116 | Expired |
| US4764430A | Crosslinkable compositions containing polyepoxides and polyacid curing agents | Emerging Cross-Sectional Technologies | 109 | Expired |
| US4650718A | Color plus clear coatings employing polyepoxides and polyacid curing agents | Emerging Cross-Sectional Technologies | 107 | Expired |
| US5814410A | Method for preparing color-clear composite coatings having resistance to acid etching | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4703101A | Liquid crosslinkable compositions using polyepoxides and polyacids | Chemistry; Metallurgy | 82 | Expired |
| US5196485A | One package stable etch resistant coating | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6069221A | Powder coating compositions containing a carboxylic acid functional polyester | Chemistry; Metallurgy | 55 | Expired |
| US5256452A | One package stable etch resistant coating process | Chemistry; Metallurgy | 53 | Expired |
| US4937288A | Powder coating composition | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5214101A | Powder coating composition comprising a co-reactable particulate mixture of carboxylic acid group-containing polymers and beta-hydroxyalkylamide curing agent | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5989642A | Method for preparing color-clear composite coatings having resistance to acid etching | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6329060A | Solvent-free film-forming compositions for clearcoats, coated substrates and method related thereto | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5055524A | Polyol-modified polyanhydride curing agent for polyepoxide powder coatings | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6316119A | Multi-component composite coating composition and coated substrate | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4652610A | Compositions based on silicon-containing resins having hydrolyzable groups | Chemistry; Metallurgy | 20 | Expired |
| US6013733A | Coating of film-forming resin and functional flow control copolymer | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6245855A | Aminoplast-curable film-forming compositions providing films having resistance to acid etching | Chemistry; Metallurgy | 18 | Expired |
| US6270905A | Multi-component composite coating composition and coated substrate | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4690980A | Acrylic modified polymers | Chemistry; Metallurgy | 18 | Expired |
| US4477618A | Aminoplast curable coating compositions containing sulfonic acid esters as latent acid catalysts | Chemistry; Metallurgy | 13 | Expired |
| US5182337A | Powder coating composition comprising a co-reactable particulate mixture of carboxylic acid group-containing polymers and beta-hydroxyalkylamide curing agent | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4454274A | Aminoplast curable coating compositions containing cycloaliphatic sulfonic acid esters as latent acid catalysts | Chemistry; Metallurgy | 10 | Expired |
| US9102785B2 | Curable compositions based on polyuretidiones, polythiols and photoactivable bases and generation of isocyanates from uretidiones | Chemistry; Metallurgy | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.