Dieter Wittmann
130Patents
19h-index
106Co-inventors
89Inventor score
Filing activity: Jun 20, 1975 → Sep 26, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5061745A | Flame-retardant, high-impact polycarbonate molding compounds | Chemistry; Metallurgy | 104 | Expired |
| US5672645A | Flame resistant polycarbonate/ABS moulding compounds resistant to stress cracking | Chemistry; Metallurgy | 95 | Expired |
| US4873289A | Graft polymers and blends thereof with polyamides | Chemistry; Metallurgy | 43 | Expired |
| US4812515A | Ageing-resistant thermoplastic moulding materials of good impact strength | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4806593A | Thermoplastic moulding materials having good resistance to ageing and good low-temperature impact strength | Chemistry; Metallurgy | 36 | Expired |
| US4859740A | Particulate multiphase polymers | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4937285A | Use of redox graft polymers to improve the petroleum-resistance of thermoplastic, aromatic polycarbonate and/or polyester carbonate moulding compositions | Chemistry; Metallurgy | 32 | Expired |
| US4882381A | Moulding compounds of aromatic polyesters and grafted silicone rubber | Chemistry; Metallurgy | 31 | Expired |
| US5010135A | Moulding compounds of aromatic polyesters, vinyl copolymers and grafted silicone rubber | Chemistry; Metallurgy | 31 | Expired |
| US4861831A | Particulate multiphase polymers | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5750602A | Flameproofed polycarbonate/ABS blends resistant to stress cracking | Chemistry; Metallurgy | 28 | Expired |
| US5849827A | Extremely finely divided inorganic powders as flame retardants in thermoplastic moulding compositions | Chemistry; Metallurgy | 28 | Expired |
| US4822852A | High-impact dimensionally stable polyamide molding compositions | Chemistry; Metallurgy | 28 | Expired |
| USRE36902E | Flame resistant polycarbonate/abs moulding compounds resistant to stress cracking | General | 25 | Expired |
| US5030675A | Flame-resistant thermoplastic moulding compounds based on polycarbonate, polyalkylene terephthalate, graft copolymer, fluorinated polyolefine and phosphorus compound | Chemistry; Metallurgy | 25 | Expired |
| US6528561B1 | Flame-resistant polycarbonate ABS blends | Chemistry; Metallurgy | 22 | Expired |
| US4885209A | Thermoplastic silicon rubber graft polymers (II) | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6596794B1 | Flame-resistant polycarbonate ABS moulding material | Chemistry; Metallurgy | 20 | Expired |
| US6686404B1 | Flame-resistant polycarbonate ABS moulding compounds | Chemistry; Metallurgy | 19 | Expired |
| US6613822B1 | Flame-resistant polycarbonate ABS moulding materials | Chemistry; Metallurgy | 18 | Expired |
| US5621029A | Flame retardant thermoplastic polycarbonate moulding compositions | Chemistry; Metallurgy | 18 | Expired |
| US5679759A | Polycarbonate moulding materials with improved toughness | Chemistry; Metallurgy | 18 | Expired |
| US5086738A | Motor brake for air-compressing internal combustion engines | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6890979B2 | Polycarbonate molding materials containing graft rubber | Chemistry; Metallurgy | 17 | Expired |
| US5150678A | Motor brake for air-compressing internal combustion engines | Mechanical Engineering; Lighting; Heating | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.