Erwin Weiss
12Patents
3h-index
17Co-inventors
57Inventor score
Filing activity: Apr 5, 1984 → Feb 13, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4870689A | Ear wax barrier for a hearing aid | Electricity | 62 | Expired |
| US4526728A | 2-Acrylamido- and 2-methacrylamido-2-methyl propanephosphonic acids and their salts, process for the preparation thereof, and use thereof for the manufacture of copolymers | Chemistry; Metallurgy | 18 | Expired |
| US4847419A | Process for the preparation of bifunctional tertiary aromatic phosphine sulfides, and also several specific representatives of this class of compounds | Chemistry; Metallurgy | 4 | Expired |
| US4670601A | Process for the preparation of bifunctional tertiary aromatic phosphine sulfides | Chemistry; Metallurgy | 3 | Expired |
| US4761252A | Process for the preparation of vinylphosphonic dichloride | Chemistry; Metallurgy | 3 | Expired |
| US4675446A | Process for the preparation of tertiary phosphine oxides | Chemistry; Metallurgy | 3 | Expired |
| US4816605A | Process for the preparation of bifunctional tertiary aromatic phosphine oxides | Chemistry; Metallurgy | 1 | Expired |
| US6673963B2 | Process for preparing sorbic acid by thermal cleavage | Chemistry; Metallurgy | 0 | Expired |
| US4749524A | Process for the preparation of 2-chloroethanephosphonic dichloride | Chemistry; Metallurgy | 0 | Expired |
| US4761251A | Process for the preparation of vinylphosphonic dichloride | Chemistry; Metallurgy | 0 | Expired |
| US4806691A | Process for the preparation of tertiary phosphine oxides | Chemistry; Metallurgy | 0 | Expired |
| US8808451B2 | Reducing agent for the soluble chromate content of cement and methods for production thereof | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.