Kenneth Lewtas
56Patents
16h-index
89Co-inventors
87Inventor score
Filing activity: May 23, 1979 → Jan 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6747114B2 | Polypropylene-based adhesive compositions | Chemistry; Metallurgy | 140 | Expired |
| US7700707B2 | Polyolefin adhesive compositions and articles made therefrom | Chemistry; Metallurgy | 46 | Active |
| US4375973A | Additive combinations and fuels containing them | Chemistry; Metallurgy | 43 | Expired |
| US6100224A | Copolymers of ethylene .alpha.-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels | Chemistry; Metallurgy | 42 | Expired |
| US6627723B2 | Adhesive alpha-olefin inter-polymers | Chemistry; Metallurgy | 36 | Expired |
| US7521507B2 | Polypropylene-based adhesive compositions | Chemistry; Metallurgy | 35 | Expired |
| US4261703A | Additive combinations and fuels containing them | Chemistry; Metallurgy | 33 | Expired |
| US4839074A | Specified C.sub.14 -carboxylate/vinyl ester polymer-containing compositions for lubricating oil flow improvement | Chemistry; Metallurgy | 32 | Expired |
| US8193289B2 | Polyolefin adhesive compositions and articles made therefrom | Chemistry; Metallurgy | 31 | Active |
| US4464182A | Glycol ester flow improver additive for distillate fuels | Chemistry; Metallurgy | 28 | Expired |
| US7288590B2 | Adhesives with improved die-cutting performance | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6111027A | Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides | Chemistry; Metallurgy | 22 | Expired |
| US8383731B2 | Polypropylene-based adhesive compositions | Chemistry; Metallurgy | 19 | Active |
| US5743923A | Oil additives and compositions | Chemistry; Metallurgy | 18 | Expired |
| US5425789A | Chemical compositions and their use as fuel additives | Chemistry; Metallurgy | 18 | Expired |
| US4661121A | Middle distillate compositions with improved low temperature properties | Chemistry; Metallurgy | 17 | Expired |
| US4882034A | Crude oil or fuel oil compositions | Chemistry; Metallurgy | 16 | Expired |
| US5441545A | Middle distillate compositions with improved low temperature properties | Chemistry; Metallurgy | 15 | Expired |
| US4661122A | Middle distillate compositions with improved cold flow properties | Chemistry; Metallurgy | 15 | Expired |
| US5814110A | Chemical compositions and use as fuel additives | Chemistry; Metallurgy | 15 | Expired |
| US7276557B2 | Adhesive components and process for manufacture | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4481013A | Two component flow improver additive for middle distillate fuel oils | Chemistry; Metallurgy | 12 | Expired |
| US7659337B2 | Elastomeric blend for air barriers comprising grafted resin components | Chemistry; Metallurgy | 11 | Active |
| US6403743B1 | Petroleum resins and their production with supported catalyst | Chemistry; Metallurgy | 11 | Expired |
| US7294664B2 | Elastomeric blend for air barriers comprising grafted resin components | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.