Bela Prokai
34Patents
9h-index
4Co-inventors
60Inventor score
Filing activity: Apr 3, 1974 → Jun 30, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4022941A | Organosilicone polymers in polyurethane foams for carpet backing | Chemistry; Metallurgy | 59 | Expired |
| US3957842A | Organosilicone polymers | Chemistry; Metallurgy | 32 | Expired |
| US3947386A | Polyurethane foams stabilized with hydrolyzable polysiloxane copolymers | Chemistry; Metallurgy | 19 | Expired |
| US4309508A | Siloxane copolymer mixtures useful as foam stabilizers in high resilience polyurethane foam | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4018723A | Morpholino-modified polysiloxane-polyoxyalkylene copolymers and their use as foam stabilizers in polyurethanes | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4059581A | Heterocyclic nitrogen containing siloxanes | Chemistry; Metallurgy | 10 | Expired |
| US4110272A | Formation of high-resilience urethane foam in the presence of sulfolanyloxy alkyl-polyalkylsiloxanes | Chemistry; Metallurgy | 9 | Expired |
| US4067828A | Formation of high-resilience urethane foam in the presence of morpholino-bearing polyalkylsiloxanes | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4022722A | Process for preparing shaped, foamed polyurethane articles | Chemistry; Metallurgy | 9 | Expired |
| US4115321A | Catalyst systems containing N,N-dimethylaminoalkoxypropionitriles for polyurethane foam formulation | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4049675A | Sulfolanyloxy alkyl-polyalkyl-siloxanes | Chemistry; Metallurgy | 7 | Expired |
| US3935123A | Polysiloxane-polyoxyalkylene compositions used in polyurethane foam | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3966650A | Polyether urethane foam | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3952038A | Polyether urethane foam | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4093642A | Surface active silicones | Chemistry; Metallurgy | 6 | Expired |
| US3979420A | Cyano-ether polysiloxane-polyoxyalkylene copolymers | Chemistry; Metallurgy | 6 | Expired |
| US4016163A | Morpholino-bearing polyalkylsiloxanes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US3979419A | Cyano-ether polysiloxane-polyoxyalkylene copolymers | Chemistry; Metallurgy | 6 | Expired |
| US4033911A | Process for catalyzing polyurethane foam formation using N,N-dimethyl-aminoalkoxy-propionitriles | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4049674A | Sulfolanyl-bearing organosilicone polymers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4003847A | Solvent solutions of siloxane fluids | Chemistry; Metallurgy | 5 | Expired |
| US3966784A | Polyether urethane foam | Emerging Cross-Sectional Technologies | 5 | Expired |
| US3954824A | Organosilicone polymers and polyester urethane foam produced therewith | Chemistry; Metallurgy | 5 | Expired |
| US4058493A | Polyester urethane foam produced with cyano-ether polysiloxane-polyoxyalkylene copolymers | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4107068A | Acrylonitrile-capped polyether-siloxanes | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.