Wilfried Ribbing
14Patents
7h-index
13Co-inventors
55Inventor score
Filing activity: May 23, 1983 → Feb 21, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4728693A | Impact-resistant thermoplastic molding compounds based on polyphenylene ethers, polyoctenylenes and polyamides | Chemistry; Metallurgy | 49 | Expired |
| US4440923A | Method of producing high-molecular weight polyphenylene oxides | Chemistry; Metallurgy | 17 | Expired |
| US4746482A | Method for the manufacture of a thermoplastic molding material containing polyphenylene ether | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4656220A | Thermoplastic compositions based on polyphenylene ethers and polyoctenylenes, and method of manufacturing same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4647613A | Thermoplastic compositions based on polyphenylene ethers, styrene polymers, and polyoctenylenes, and methods of manufacturing same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4537948A | Process for the production of polyphenylene oxides | Chemistry; Metallurgy | 10 | Expired |
| US4734485A | Method of manufacturing polyphenylene ethers | Chemistry; Metallurgy | 9 | Expired |
| US4659803A | Process for purifying polyphenylene oxides obtained by interruption of the copper-amine catalyzed polycondensation of ortho-disubstituted phenols | Chemistry; Metallurgy | 6 | Expired |
| US4429106A | Method of producing polyphenylene oxides using morpholinium bromide as activator | Chemistry; Metallurgy | 4 | Expired |
| US4690978A | Thermoplastic compositions based on polyphenylene ethers and styrene-butadiene polymers produced by emulsion polymerization | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4931504A | Thermoplastic compositions based on polyphenylene ethers and styrene-butadiene polymers produced by emulsion polymerization | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4814431A | Process for improving the color quality of polyphenylene oxide with unsaturated carboxylic acid ester | Chemistry; Metallurgy | 1 | Expired |
| US4868283A | Process for the production of polyphenylene ethers with reduced inherent color | Chemistry; Metallurgy | 1 | Expired |
| US5075391A | Process for improving the quality of PPE-containing moulding materials | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.