Robert J. Donald
11Patents
7h-index
24Co-inventors
66Inventor score
Filing activity: Sep 8, 1986 → Apr 14, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6914091B2 | Compositions comprising hydrogenated block copolymers and end-use applications thereof | Chemistry; Metallurgy | 84 | Expired |
| US6815475B2 | Compositions comprising hydrogenated block copolymers and end-use applications thereof | Chemistry; Metallurgy | 23 | Expired |
| US5334657A | Thermoformable, chemical resistant polymer blends | Chemistry; Metallurgy | 22 | Expired |
| US5532315A | Thermoformable, chemical resistant polymer blends | Chemistry; Metallurgy | 19 | Expired |
| US4743642A | Color balanced rubber-reinforced plastic | Chemistry; Metallurgy | 14 | Expired |
| US7510623B2 | Method for joining piping systems and piping to equipment, fixtures, devices, structures, and appliances | Chemistry; Metallurgy | 10 | Expired |
| US5688462A | In-runner polymer melt mixer | Performing Operations; Transporting | 9 | Expired |
| US5717029A | Thermoformable, chemical resistant polymer blends | Chemistry; Metallurgy | 6 | Expired |
| US6008294A | Thermoformable, chemical resistant polymer blends | Chemistry; Metallurgy | 5 | Expired |
| US8404324B2 | Polypropylene compositions | Emerging Cross-Sectional Technologies | 4 | Active |
| US4940754A | Easily colored thermoplastic molding composition | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.