Robert A. Schleifstein
23Patents
9h-index
7Co-inventors
68Inventor score
Filing activity: Aug 1, 1977 → Jul 2, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5399432A | Galvanically compatible conductive filler and methods of making same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6533963B1 | Electrically conductive flexible compositions, and materials and methods for making same | Electricity | 24 | Expired |
| US6010646A | Electroconductive composition and methods for producing such composition | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4957958A | Aromatic bis sulfonamide-containing nylon or polyester | Chemistry; Metallurgy | 19 | Expired |
| US6482519B1 | Coated microparticles, plastic compositions and methods | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5264474A | Polymer compositions | Chemistry; Metallurgy | 18 | Expired |
| US4820770A | Polyamide composition | Chemistry; Metallurgy | 15 | Expired |
| US5370818A | Free-flowing catalyst coated beads for curing polyester resin | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4963606A | Thermally stabilized styrenic polymer-based thermoplastic formulations | Chemistry; Metallurgy | 9 | Expired |
| US4959500A | Polybrominated bis sulfonamides | Chemistry; Metallurgy | 9 | Expired |
| US4981890A | Flame retardant nylon compositions | Chemistry; Metallurgy | 9 | Expired |
| US6241914A | Electroconductive composition composite suitable for making same and methods for producing such composition and composite | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6153671A | Retroreflective adherent particles and their use | Chemistry; Metallurgy | 7 | Expired |
| US4857597A | Thermoplastic formulations | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5633085A | Durable composite particle and method of making same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4186466A | Method for making flame retardant-water repellent coil zipper | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6579920B2 | Friction pads and disks and compositions and methods for producing same | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4111647A | Method for making fire retardant zipper | Textiles; Paper | 3 | Expired |
| US5116898A | Flame retardant polypropylene based formulations | Chemistry; Metallurgy | 3 | Expired |
| US4804698A | Flame retardant polypropylene based formulations | Chemistry; Metallurgy | 2 | Expired |
| US4957957A | Polymer compositions containing aromatic sulfonamide | Chemistry; Metallurgy | 2 | Expired |
| US5580657A | Durable polymeric deposits on inorganic material substrate | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4954551A | Halogen-containing organometallic compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.