Friedhelm Teich
6Patents
4h-index
18Co-inventors
54Inventor score
Filing activity: Oct 27, 1988 → Apr 2, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5738801A | Hydrophobic silica aerogels | Chemistry; Metallurgy | 31 | Expired |
| US6516537B1 | Method for drying and producing microporous particles | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6438867B1 | Method for drying and producing microporous particles and a drying device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4956464A | Preparation of dihydroquinacridones, quinacridones and quinacridonequinones | Chemistry; Metallurgy | 11 | Expired |
| US5153356A | Aminobenzophenonesulfonic acids | Chemistry; Metallurgy | 3 | Expired |
| US8609894B2 | Process for preparing aminopolycarboxylates | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.