Patent | Date |
---|
Process for preparing polyolefins in suspension Grant 8,148,588 - Berthold , et al. April 3, 2 | 2012-04-03 |
Gaseous phase fluidized-bed reactor Grant 8,034,884 - Karer , et al. October 11, 2 | 2011-10-11 |
Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins Grant 7,714,091 - Mihan , et al. May 11, 2 | 2010-05-11 |
Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins Grant 7,705,097 - Mihan , et al. April 27, 2 | 2010-04-27 |
Gaseous Phase Fluidized-bed Reactor App 20100056734 - KARER; Rainer ;   et al. | 2010-03-04 |
Gaseous phase fluidized-bed reactor Grant 7,601,303 - Karer , et al. October 13, 2 | 2009-10-13 |
Loop reactor with varying diameter for olefin polymerization Grant 7,553,916 - Mihan , et al. June 30, 2 | 2009-06-30 |
Discontinuous metering of catalysts and process auxilliaries into a gas-phase fluidized-bed reactor Grant 7,534,341 - Karer , et al. May 19, 2 | 2009-05-19 |
Loop reactor with varying diameter for olefin polymerization Grant 7,517,938 - Mihan , et al. April 14, 2 | 2009-04-14 |
Catalyst Comprising Chromium and Zirconium for the Polymerization and/or Copolymerization of Olefins App 20080269437 - Mihan; Shahram ;   et al. | 2008-10-30 |
Loop Reactor With Varying Diameter For Olefin Polymerization App 20080119624 - Mihan; Shahram ;   et al. | 2008-05-22 |
Polymerization catalyst used for producing polyolefins that have excellent combined properties Grant RE40,140 - Mihan , et al. March 4, 2 | 2008-03-04 |
Process for Preparing a Chromium-Based Catalyst for the Polymerization and/or Copolymerization of Olefins App 20080051532 - Mihan; Shahram ;   et al. | 2008-02-28 |
Process for Preparing Polyolefins in Suspension App 20070276170 - Berthold; Joachim ;   et al. | 2007-11-29 |
Loop reactor with varying diameter for olefin polymerization App 20070037936 - Mihan; Shahram ;   et al. | 2007-02-15 |
Polymerization catalyst used for producing polyolefins that have excellent combined properties Grant 6,897,181 - Mihan , et al. May 24, 2 | 2005-05-24 |
Catalyst systems of the ziegler-natta type and a method for production thereof App 20050075241 - Fottinger, Klaus ;   et al. | 2005-04-07 |
Method for producing Phillips catalysts for polymerizing olefins with better productivity rates in the particle-form process Grant 6,699,947 - Evertz , et al. March 2, 2 | 2004-03-02 |
Polymerization catalyst used for producing polyolefins that have excellent combined properties App 20040038810 - Mihan, Shahran ;   et al. | 2004-02-26 |
Method for the discontinuous thermal treatment of catalyst material Grant 6,683,022 - De Lange , et al. January 27, 2 | 2004-01-27 |
Method for producing a supported catalyst system Grant 6,683,018 - Kristen , et al. January 27, 2 | 2004-01-27 |
Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel Grant 6,645,900 - de Lange , et al. November 11, 2 | 2003-11-11 |
Method for producing supported chrome catalysts and the use thereof for the polymerization of olefins Grant 6,608,151 - de Lange , et al. August 19, 2 | 2003-08-19 |
Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel App 20020132941 - Lange, Paulus de ;   et al. | 2002-09-19 |
Non self-igniting solid Grant 6,359,086 - Kristen , et al. March 19, 2 | 2002-03-19 |
Preparation of Ziegler-Natta type catalyst systems Grant 5,658,840 - Kolle , et al. August 19, 1 | 1997-08-19 |