Gregory P. Liesen
10Patents
4h-index
10Co-inventors
53Inventor score
Filing activity: Aug 3, 1989 → May 15, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6323164A | Dispersant (meth) acrylate copolymers having excellent low temperature properties | Chemistry; Metallurgy | 48 | Expired |
| US5955405A | (Meth) acrylate copolymers having excellent low temperature properties | Chemistry; Metallurgy | 42 | Expired |
| US6255261A | (Meth) acrylate copolymer pour point depressants | Chemistry; Metallurgy | 15 | Expired |
| US4946610A | Sulfur-bridged phenolic antioxidants | Chemistry; Metallurgy | 11 | Expired |
| US5004481A | Fuel compositions containing sulfur-bridged phenolic antioxidants | Chemistry; Metallurgy | 3 | Expired |
| US5045089A | Fuel compositions containing phenolic antioxidants | Chemistry; Metallurgy | 2 | Expired |
| US7884059B2 | Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases | Chemistry; Metallurgy | 1 | Active |
| US7960321B2 | Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases | Chemistry; Metallurgy | 1 | Active |
| US5009802A | Phenolic antioxidant composition | Chemistry; Metallurgy | 1 | Expired |
| US8191403B2 | Petroleum viscosity measurement and communication system and method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.