Leonard J. Chyall
5Patents
3h-index
12Co-inventors
50Inventor score
Filing activity: Aug 4, 2000 → Jul 21, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6632442B1 | Intumescent polymer compositions | Chemistry; Metallurgy | 18 | Expired |
| US6905693B2 | Intumescent polymer compositions | Chemistry; Metallurgy | 6 | Expired |
| US8563571B2 | Crystalline forms of oxymorphone hydrochloride | Human Necessities | 5 | Active |
| US8183369B2 | 4- [3- (4-cyclopropanecarbonyl-piperazine-I-carbonyl) -4 -fluoro-benzyl] -2H-phthalaz in-1-one | Human Necessities | 3 | Active |
| US6348633B1 | Bromine-containing 1,2-bis(phenyl)difluoromethanes and method of imparting flame retardancy to flammable materials | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.