Dirk Manzel
7Patents
1h-index
12Co-inventors
37Inventor score
Filing activity: Jan 16, 2015 → Jan 2, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10577311B2 | Method for producing isocyanates | Performing Operations; Transporting | 1 | Active |
| US10364214B1 | Method for producing isocyanates | Performing Operations; Transporting | 0 | Active |
| US10280135B2 | Method for producing isocyanates | Chemistry; Metallurgy | 0 | Active |
| US11365172B2 | Production plant for producing a chemical product by reacting H-functional reactants with phosgene, and method for operating same with an interruption to production | Performing Operations; Transporting | 0 | Active |
| US9815703B2 | Method for starting up and shutting down a phosgene generator | Performing Operations; Transporting | 0 | Active |
| US10947187B2 | Method for producing methylene-diphenylene-diisocyanates and polymethylene-polyphenylene-polyisocyanates | Chemistry; Metallurgy | 0 | Active |
| US11213867B2 | Method for cleaning phosgene conducting apparatus | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.