Usama E. Younes
40Patents
9h-index
12Co-inventors
72Inventor score
Filing activity: Apr 20, 1981 → Aug 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4731427A | Method for the preparation of rigid reaction injection molded thermoset polyurethane modified polyisocyanurate compositions | Chemistry; Metallurgy | 28 | Expired |
| US5670601A | Polyurethane elastomers having improved green strength and demold time and polyoxyalkylene polyols suitable for their preparation | Chemistry; Metallurgy | 28 | Expired |
| US4709002A | Method for the preparation of rigid non-cellular reaction injection molded thermoset polyisocyanurate compositions | Chemistry; Metallurgy | 21 | Expired |
| US6022903A | Permanent gas blown microcellular polyurethane elastomers | Chemistry; Metallurgy | 17 | Expired |
| US5728745A | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation | Chemistry; Metallurgy | 15 | Expired |
| US5849944A | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation | Chemistry; Metallurgy | 14 | Expired |
| US4444969A | Fire retardant copolymer from bis(hydrocarbyl)vinyl phosphonate | Chemistry; Metallurgy | 14 | Expired |
| US4886700A | Laminated composite of a rigid polyurethane modified polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5965778A | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation | Chemistry; Metallurgy | 9 | Expired |
| US4508883A | Alternating copolymer of brominated styrene and N-brominated phenyl maleimide | Chemistry; Metallurgy | 8 | Expired |
| US4757123A | Method for the preparation of rigid cast or transfer molded thermoset polyisocyanurate compositions | Chemistry; Metallurgy | 8 | Expired |
| US5357026A | Flame retardant SRIM compositions | Chemistry; Metallurgy | 8 | Expired |
| US4571418A | Char-forming polymer, moldable composition and method | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4609711A | Flame retardant molded composition which incorporates a poly(N-(bromophenyl)maleimide-Co-styrene-Co-N-phenylmaleimide) copolymer | Chemistry; Metallurgy | 8 | Expired |
| US4604422A | Flame-retardant molded composition incorporating a poly[N-(bromophenyl)maleimide-co-styrene-co-maleic anhydride] copolymer | Chemistry; Metallurgy | 7 | Expired |
| US10131758B2 | Polyurethane foam-forming compositions, methods of making low density foams using such compositions, and foams formed therefrom | Chemistry; Metallurgy | 7 | Active |
| US4661574A | Flame retardant molded composition which incorporates a poly[N-(bromophenyl)maleimide-co-styrene-co-N-phenylmalemide] copolymer | Chemistry; Metallurgy | 6 | Expired |
| US6395798B1 | Low density microcellular elastomers based on isocyanate-terminated prepolymers | Chemistry; Metallurgy | 6 | Expired |
| US4800058A | Method for the preparation of rigid cast or transfer molded thermoset polyurethane modified polyisocyanurate compositions | Chemistry; Metallurgy | 6 | Expired |
| US8178591B2 | Carbon dioxide blown low density, flexible microcellular polyurethane elastomers | Emerging Cross-Sectional Technologies | 6 | Active |
| US4879164A | Laminated composite of a rigid polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4371672A | Thermoplastic molding composition | Chemistry; Metallurgy | 5 | Expired |
| US6458861B1 | Carbon dioxide blown low density, flexible microcellular elastomers suitable for preparing shoe components | Chemistry; Metallurgy | 4 | Expired |
| US4369260A | Phosphorus-containing alternating copolymers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4607081A | Composition comprising a matrix resin and an alternating copolymer of brominated styrene and N-brominated phenyl maleimide flame retarding additive | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.