Kenneth W. Powers
33Patents
15h-index
23Co-inventors
81Inventor score
Filing activity: Feb 17, 1971 → May 3, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5162445A | Para-alkylstyrene/isoolefin copolymers and functionalized copolymers thereof | Emerging Cross-Sectional Technologies | 188 | Expired |
| US5013793A | Dynamically cured thermoplastic olefin polymers and process for producing the same | Chemistry; Metallurgy | 86 | Expired |
| US4074035A | Halomethylated aromatic interpolymers | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6013727A | Thermoplastic blend containing engineering resin | Chemistry; Metallurgy | 27 | Expired |
| US5071913A | Rubbery isoolefin polymers exhibiting improved processability | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5548029A | Graft copolymers of para-alkylstyrene/isoolefin copolymers | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5426167A | Para-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distribution | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4474924A | Stabilized slurries of isoolefin polymers | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6346571B1 | Thermoplastic blend containing engineering resin | Chemistry; Metallurgy | 23 | Expired |
| US3948868A | Homogeneous styrene/isoolefin copolymers | Chemistry; Metallurgy | 22 | Expired |
| US3932371A | Process for preparing low bulk viscosity polymers | Chemistry; Metallurgy | 21 | Expired |
| US5959049A | Process for selective bromination of para-alkylstyrene/isoolefin copolymers | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5656694A | Interpolymer cures of blends comprising halogenated isoolefin/para-alkylstyrene elastomers and unsaturated elastomers | Chemistry; Metallurgy | 18 | Expired |
| US5182333A | Production of rubbery isoolefin polymers | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5244961A | Thermoplastic compositions and process for preparing the same | Chemistry; Metallurgy | 16 | Expired |
| US6444768B1 | Production of polyisobutylene copolymers | Chemistry; Metallurgy | 15 | Expired |
| US5654379A | Process for selective bromination of para-alkylstyrene/isoolefin copolymers | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5430118A | Para-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distribution | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5453465A | Process for preparing thermoplastic compositions | Chemistry; Metallurgy | 10 | Expired |
| US4245060A | Functional group containing cyclic diolefin butyl rubbers | Chemistry; Metallurgy | 10 | Expired |
| US5286804A | Halogenation of star-branched butyl rubber with improved neutralization | Chemistry; Metallurgy | 9 | Expired |
| US5548023A | Graft copolymers of para-alkylstyrene/isoolefin copolymers as blend compatibilizers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5369182A | Impact modification of polyamides | Chemistry; Metallurgy | 6 | Expired |
| US4358560A | Stabilized slurries of isoolefin polymers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4228254A | Functional group containing cyclic diolefin butyl rubbers | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.