Wilhelm Goyert
18Patents
13h-index
27Co-inventors
74Inventor score
Filing activity: Jan 31, 1975 → May 31, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4261946A | Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent | Chemistry; Metallurgy | 53 | Expired |
| US4342847A | Process for the production of thermoplastic synthetic materials | Chemistry; Metallurgy | 47 | Expired |
| US3963656A | Thermoplastic polyurethanes and a two-stage process for their preparation | Chemistry; Metallurgy | 37 | Expired |
| US4371684A | Thermoplastic polyurethanes for processing in extruders and/or on calenders | Chemistry; Metallurgy | 36 | Expired |
| US4762884A | Process for the production of radiation-crosslinked thermoplastic polyurethanes | Chemistry; Metallurgy | 28 | Expired |
| US4245081A | Process for the production of thermoplastic polyurethane elastomers | Chemistry; Metallurgy | 28 | Expired |
| US4521582A | Thermoplastic polyurethanes having a high heat stability, based on naphthylene diisocyanate, their production and their use | Chemistry; Metallurgy | 22 | Expired |
| US4317890A | Thermoplastic synthetic material and a process for its production | Chemistry; Metallurgy | 21 | Expired |
| US4397974A | Low-halogen-content, thermoplastic polyurethane elastomer having improved flame resistance by the addition of a 4-component additive combination, its production and its use | Chemistry; Metallurgy | 19 | Expired |
| US5210170A | Process for stabilizing plastics containing ester groups | Chemistry; Metallurgy | 16 | Expired |
| US4500671A | Reinforced polyurethane thermoplastic chemical materials and processes for their preparation | Chemistry; Metallurgy | 15 | Expired |
| US4656199A | Process for the production of matte, non-blocking, thin-walled molded articles from linear thermoplastic polyurethane elasotomers containing polyadducts and their use | Chemistry; Metallurgy | 13 | Expired |
| US4250292A | Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine | Performing Operations; Transporting | 13 | Expired |
| US4889908A | Polyethers and their use as mold release agents for plastics | Chemistry; Metallurgy | 8 | Expired |
| US4286080A | Extrusion process for the preparation of polyurethane ureas | Chemistry; Metallurgy | 6 | Expired |
| US4639478A | Bismorpholines, a process for their preparation and their use for protection against hydrolysis | Chemistry; Metallurgy | 2 | Expired |
| US4476253A | Process for the preparation of polyurethane elastomers using diols of the anhydro-tetritol series | Chemistry; Metallurgy | 2 | Expired |
| US4617387A | Bismorpholines and a process for their preparation | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.