David Goldwasser
32Patents
13h-index
18Co-inventors
78Inventor score
Filing activity: Dec 18, 1979 → Aug 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6013340A | Membranes of polyurethane based materials including polyester polyols | Emerging Cross-Sectional Technologies | 406 | Expired |
| US6321465A | Membranes of polyurethane based materials including polyester polyols | Emerging Cross-Sectional Technologies | 346 | Expired |
| US6082025A | Flexible membranes | Emerging Cross-Sectional Technologies | 340 | Expired |
| US6127026A | Flexible membranes | Emerging Cross-Sectional Technologies | 318 | Expired |
| US6203868A | Barrier members including a barrier layer employing polyester polyols | Emerging Cross-Sectional Technologies | 281 | Expired |
| US4376834A | Polyurethane prepared by reaction of an organic polyisocyanate, a chain extender and an isocyanate-reactive material of m.w. 500-20,000 characterized by the use of only 2-25 percent by weight of the latter material | Chemistry; Metallurgy | 77 | Expired |
| US6582786B1 | Flexible membranes | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6391405B1 | Fluid barrier membranes | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6730379B2 | Shoe sole of gas-filled film with barrier layer of ethylene-vinyl alcohol copolymer and aliphatic polyurethane | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6599597B1 | Barrier membranes including a barrier layer employing aliphatic thermoplastic urethanes | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6846534B2 | Flexible membranes | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6797215B2 | Membranes of polyurethane based materials including polyester polyols | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4567236A | Novel polymer blends | Chemistry; Metallurgy | 28 | Expired |
| US5321099A | Blends of semi-crystalline polyamides and polyesteramides | Chemistry; Metallurgy | 12 | Expired |
| US7033458B2 | Process for improving interfacial adhesion in a laminate | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4501844A | Polyamides with talc as crystallization promoter | Chemistry; Metallurgy | 8 | Expired |
| US10053533B1 | Oligomeric polyol compositions | Chemistry; Metallurgy | 7 | Active |
| US6692803B2 | Membranes of polyurethane based materials including polyester polyols | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4536533A | Product | Chemistry; Metallurgy | 6 | Expired |
| US7078091B2 | Membranes of polyurethane based materials including polyester polyols | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4260718A | Modified carbodiimide-containing polyisocyanates and glassy polyurethanes therefrom | Chemistry; Metallurgy | 3 | Expired |
| US9273193B2 | Regrind polyurethane with glycol or polyol additive | Emerging Cross-Sectional Technologies | 2 | Active |
| US9801431B2 | Regrind polyurethane with glycol or polyol additive | Emerging Cross-Sectional Technologies | 2 | Active |
| US4668756A | Azetidinedione-monocarbonamide capped prepolymer | Chemistry; Metallurgy | 2 | Expired |
| US4721768A | Azetidinedione-monocarbonamide capped prepolymer | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.