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Patent applications and USPTO patent grants for Lee; Kiu Hee.The latest application filed is for "detection of dynamic fluidized bed level in a fluidized bed polymerization reactor using ultrasonic waves or microwaves".
Patent | Date |
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Detection of dynamic fluidized bed level in a fluidized bed polymerization reactor using ultrasonic waves or microwaves Grant 6,460,412 - Cai , et al. October 8, 2 | 2002-10-08 |
Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization Grant 6,384,157 - Cai , et al. May 7, 2 | 2002-05-07 |
Start-up process for gas phase production of polybutadiene Grant 6,255,420 - Dietz, III , et al. July 3, 2 | 2001-07-03 |
Process for conditioning a gas-phase reactor to produce an ethylene-propylene or ethylene-propylene-diene rubber Grant 6,011,128 - Eisinger , et al. January 4, 2 | 2000-01-04 |
Process control in the presence of chromium based catalysts Grant 5,844,054 - Samples , et al. December 1, 1 | 1998-12-01 |
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