Sharon A. Free
10Patents
6h-index
16Co-inventors
63Inventor score
Filing activity: Dec 19, 1990 → Jul 26, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5650450A | Hydrophilic urethane foam | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5034422A | Low density, high temperature resistant polymeric bodies | Chemistry; Metallurgy | 43 | Expired |
| US5567740A | Conductive polyurethane foam compositions and method for producing same | Chemistry; Metallurgy | 24 | Expired |
| US7687139B2 | Flame laminable hydrophilic ester polyurethane foams | Emerging Cross-Sectional Technologies | 14 | Active |
| US6136878A | Very fine cell polyurethane foams and processes for producing the same | Chemistry; Metallurgy | 11 | Expired |
| US6371606B1 | Ink retaining foams | Performing Operations; Transporting | 8 | Expired |
| US6756416B2 | Hydrophilic ester polyurethane foams | Chemistry; Metallurgy | 6 | Expired |
| US6841586B2 | Felted hydrophilic ester polyurethane foams | Chemistry; Metallurgy | 6 | Expired |
| US6596785B2 | Ink retaining foam structure | Chemistry; Metallurgy | 2 | Expired |
| US11987552B2 | Polymeric phenolic antioxidants | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.