Michael Langen
6Patents
5h-index
14Co-inventors
60Inventor score
Filing activity: Jan 25, 1989 → Jun 12, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5205959A | Alkali-stable foam inhibitors | Chemistry; Metallurgy | 26 | Expired |
| US6216967A | Process for disaggregating waste materials which contain at least partially reusable elements | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8354368B2 | Cleaning composition comprising graft copolymers | Chemistry; Metallurgy | 6 | Active |
| US5069817A | Process for making polyoxyethylene surfactants with desirable low temperature behavior | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4967017A | Alcohol ethoxylates of reduced EO content or residual PO content | Chemistry; Metallurgy | 5 | Expired |
| US6767463B1 | Method for minimizing the new water use in the water circulation system of a treatment plant | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.