Peter Kölle
20Patents
6h-index
37Co-inventors
65Inventor score
Filing activity: Jun 5, 1995 → Sep 7, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7601303B1 | Gaseous phase fluidized-bed reactor | Performing Operations; Transporting | 34 | Expired |
| US6699947B1 | Method for producing Phillips catalysts for polymerizing olefins with better productivity rates in the particle-form process | Chemistry; Metallurgy | 21 | Expired |
| US5658840A | Preparation of Ziegler-Natta type catalyst systems | Chemistry; Metallurgy | 8 | Expired |
| US6645900B2 | Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel | Performing Operations; Transporting | 7 | Expired |
| US6683022B1 | Method for the discontinuous thermal treatment of catalyst material | Chemistry; Metallurgy | 6 | Expired |
| US6683018B1 | Method for producing a supported catalyst system | Chemistry; Metallurgy | 6 | Expired |
| US6897181B2 | Polymerization catalyst used for producing polyolefins that have excellent combined properties | Chemistry; Metallurgy | 4 | Expired |
| US6107231A | Ziegler-Natta catalyst systems modified during their preparation | Chemistry; Metallurgy | 4 | Expired |
| US6156691A | Ziegler-Natta catalyst systems modified during their preparation | Chemistry; Metallurgy | 2 | Expired |
| US6608151B1 | Method for producing supported chrome catalysts and the use thereof for the polymerization of olefins | Chemistry; Metallurgy | 2 | Expired |
| US7553916B2 | Loop reactor with varying diameter for olefin polymerization | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6051523A | Catalyst systems of the type comprising the Ziegler-Natta catalysts | Chemistry; Metallurgy | 2 | Expired |
| US6359086B1 | Non self-igniting solid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7714091B2 | Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins | Chemistry; Metallurgy | 1 | Active |
| USRE40140E1 | Polymerization catalyst used for producing polyolefins that have excellent combined properties | General | 1 | Expired |
| US7517938B2 | Loop reactor with varying diameter for olefin polymerization | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7705097B2 | Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins | Chemistry; Metallurgy | 1 | Active |
| US7534341B2 | Discontinuous metering of catalysts and process auxilliaries into a gas-phase fluidized-bed reactor | Chemistry; Metallurgy | 0 | Expired |
| US8148588B2 | Process for preparing polyolefins in suspension | Chemistry; Metallurgy | 0 | Active |
| US8034884B2 | Gaseous phase fluidized-bed reactor | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.