Erhard Tresper
41Patents
9h-index
45Co-inventors
71Inventor score
Filing activity: May 21, 1975 → Jun 12, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4210579A | Thermoplastic mixtures of polypropylene with ethylene/vinyl acetate and ethylene/propylene copolymers | Chemistry; Metallurgy | 22 | Expired |
| US4734484A | Process for the isolation of polyarylene sulphide from salts contained therein | Chemistry; Metallurgy | 22 | Expired |
| US4460752A | Reacting polycarbonate resin with aryl chlorocarbonate to improve aging characteristics | Chemistry; Metallurgy | 11 | Expired |
| US4327208A | Continuous process for the hydrolytic production of polycaprolactam having a low-monomer and low-dimer content | Chemistry; Metallurgy | 11 | Expired |
| US4352568A | Twin-screw machine with screws rotatable in the same direction | Performing Operations; Transporting | 11 | Expired |
| US4985175A | Elastomer-modified carbon-containing polyarylene sulfide blends | Chemistry; Metallurgy | 11 | Expired |
| US4110540A | Process for the preparation of multinuclear phenols which are alkylated in the nucleus | Chemistry; Metallurgy | 10 | Expired |
| US4186154A | Polycarbonate mixtures which can be processed as thermoplastics | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4009148A | High molecular weight polycarbonates of .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexakisaryl-1,3-and/o r -1,4-dimethyl benzenes | Chemistry; Metallurgy | 10 | Expired |
| US4771120A | Polyarylene sulphide capped with monophenol compound | Chemistry; Metallurgy | 7 | Expired |
| US4048200A | 1,1,2-Tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes | Chemistry; Metallurgy | 6 | Expired |
| US5045585A | Rapid-crystallizing polyphenylene sulphide compositions | Chemistry; Metallurgy | 5 | Expired |
| US5037952A | Process for the production of high molecular weight, optionally branched polyarylene sulfides | Chemistry; Metallurgy | 5 | Expired |
| US4999414A | Process for the production of aromatic polyether ketones | Chemistry; Metallurgy | 5 | Expired |
| US4289685A | Process for the preparation of flame-resistant polycarbonates | Chemistry; Metallurgy | 5 | Expired |
| US4639507A | Process for the isolation of polyarylene sulphide | Chemistry; Metallurgy | 5 | Expired |
| US4942194A | Rapid-crystallizing polyphenylene sulphide compositions | Chemistry; Metallurgy | 5 | Expired |
| US5114791A | Two-component injection molding with polyarylene sulfides | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4367330A | Process for the preparation of aromatic polycarbonates by the phase boundary process | Chemistry; Metallurgy | 4 | Expired |
| US4356129A | Process for the preparation of neutral phosphorous acid aryl esters | Chemistry; Metallurgy | 4 | Expired |
| US4775738A | Process for the preparation of polyether-sulphones | Chemistry; Metallurgy | 4 | Expired |
| US4743638A | Rapid crystallizing polyphenylene sulphide compositions | Chemistry; Metallurgy | 4 | Expired |
| US4735977A | Rapidly crystallizing polyphenylene sulphide material containing sulfonic acid ester | Chemistry; Metallurgy | 3 | Expired |
| US5055551A | Process for the production of high molecular weight, optionally branched polyarylene sulfides having reduced content of extractable oligomers | Chemistry; Metallurgy | 3 | Expired |
| US4059638A | Trisphenol process | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.