Kaspar Evertz
23Patents
8h-index
49Co-inventors
71Inventor score
Filing activity: Feb 11, 1993 → 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 |
| US5496902A | Catalyst systems for the polymerization of C.sub.2 -C.sub.10 -alk-1-enes | Chemistry; Metallurgy | 18 | Expired |
| US6180729A | Continuous gas-phase polymerization process | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6559087B1 | Method and apparatus for the continuous treatment of catalyst and catalyst support material | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5453475A | Process for preparing low density ethylene copolymers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6951908B2 | Device for feeding reactor initiators | Performing Operations; Transporting | 8 | Expired |
| US5352658A | Phillips catalyst and its use for the preparation of ethylene homopolymers and copolymers | Chemistry; Metallurgy | 8 | Expired |
| US6472482B1 | Gas-phase polymerization with direct cooling | Performing Operations; Transporting | 8 | Expired |
| US6649709B1 | Gas phase fluidized bed method and ethylene homo- and copolymers obtained using said method | Chemistry; Metallurgy | 7 | Expired |
| US6683022B1 | Method for the discontinuous thermal treatment of catalyst material | Chemistry; Metallurgy | 6 | Expired |
| US6562915B2 | Method for carrying out radical ethylene high-pressure polymerization while preventing undesired polymer deposits | Chemistry; Metallurgy | 6 | Expired |
| US7232551B1 | Fluidized bed method and reactor for the treatment of catalysts and catalyst carriers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6849699B2 | Vapor-phase fluidized-bed process and ethylene homopolymers and copolymers produced thereby | Chemistry; Metallurgy | 5 | Expired |
| US5480852A | Phillips catalyst and its use for the preparation of ethylene/alpha-olefin copolymers | Chemistry; Metallurgy | 4 | Expired |
| US5527868A | Catalyst systems for the polymerization of C.sub.2 -C.sub.10 -alk-1-enes | Chemistry; Metallurgy | 2 | Expired |
| US6462150B1 | Method for isolating olefins from polyolefin plants | Chemistry; Metallurgy | 1 | Expired |
| US6465608B1 | Method for drying and degassing polyolefins | Chemistry; Metallurgy | 1 | Expired |
| US5557021A | Phillips catalyst and its use for the preparation of ethylene/.alpha.-olefin copolymers | Chemistry; Metallurgy | 1 | Expired |
| US8148588B2 | Process for preparing polyolefins in suspension | Chemistry; Metallurgy | 0 | Active |
| US7534341B2 | Discontinuous metering of catalysts and process auxilliaries into a gas-phase fluidized-bed reactor | Chemistry; Metallurgy | 0 | Expired |
| US6596822B1 | Gas phase polymerization method | Emerging Cross-Sectional Technologies | 0 | Expired |
| 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.