Richard Liu
6Patents
3h-index
13Co-inventors
50Inventor score
Filing activity: Aug 8, 1985 → Apr 15, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6127461A | Co-Agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures | Chemistry; Metallurgy | 10 | Expired |
| US6348525B1 | Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures | Chemistry; Metallurgy | 8 | Expired |
| US4626568A | Vibration and noise insulating rubber compositions | Chemistry; Metallurgy | 7 | Expired |
| US6300392A | Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures | Chemistry; Metallurgy | 3 | Expired |
| US7034193B2 | Method for purifying spent acid | Performing Operations; Transporting | 0 | Expired |
| US6818799B2 | Process for removing tar from spent acid | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.