Howard Stephen Friedman
5Patents
2h-index
5Co-inventors
36Inventor score
Filing activity: Apr 23, 1992 → Dec 14, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5312952A | Polymerization inhibitor for vinyl aromatics | Chemistry; Metallurgy | 9 | Expired |
| US5540861A | Polymerization inhibitor for vinyl aromatics | Chemistry; Metallurgy | 5 | Expired |
| US6222080A | Benzoquinoneimines as vinyl aromatic polymerization inhibitors | Chemistry; Metallurgy | 2 | Expired |
| US5659095A | Composition for inhibiting the polymerization of aromatic vinyl monomers | Chemistry; Metallurgy | 2 | Expired |
| US6039895A | Benzoquinoneimines as vinyl aromatic polymerization inhibitors | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.