David Rhum
17Patents
15h-index
11Co-inventors
75Inventor score
Filing activity: Mar 12, 1976 → Mar 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5449355A | Retrograde tissue splitter and method | Human Necessities | 1,581 | Expired |
| US5797906A | Retrograde tissue splitter and method | Human Necessities | 1,558 | Expired |
| US6120904A | Medical device coated with interpenetrating network of hydrogel polymers | Emerging Cross-Sectional Technologies | 531 | Expired |
| US6080488A | Process for preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coating, coated polymer and metal substrate materials, and coated medical devices | Emerging Cross-Sectional Technologies | 407 | Expired |
| US5576072A | Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with at least one other, dissimilar polymer hydrogel | Emerging Cross-Sectional Technologies | 164 | Expired |
| US5499994A | Dilation device for the urethra | Human Necessities | 159 | Expired |
| US6017577A | Slippery, tenaciously adhering hydrophilic polyurethane hydrogel coatings, coated polymer substrate materials, and coated medical devices | Emerging Cross-Sectional Technologies | 133 | Expired |
| US5919570A | Slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly(N-vinylpyrrolidone) polymer hydrogel, coated polymer and metal substrate materials, and coated medical devices | Emerging Cross-Sectional Technologies | 115 | Expired |
| US6265016A | Process for the preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coatings, coated polymer and metal substrate materials, and coated medical devices | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5662960A | Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly (n-vinylpyrrolidone) polymer hydrogel | Chemistry; Metallurgy | 98 | Expired |
| US5019350A | Fluorescent polymers | Physics | 38 | Expired |
| US6030656A | Process for the preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coatings, coated metal substrate materials, and coated medical devices | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4075242A | Low molecular weight acrylates or methacrylates | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6040058A | Slippery, tenaciously adhering hydrophilic polyurethane hydrogel coatings, coated metal substrate materials, and coated medical devices | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4276432A | Low molecular weight acrylates or methacrylates and methods for their preparation | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4650851A | Purification of glycolide | Chemistry; Metallurgy | 14 | Expired |
| US4296225A | Stable vinyl acetate and amine monomer copolymer emulsions | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.