Hein; James E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hein; James E..The latest application filed is for "methods for chromium catalyst activation using oxygen-enriched fluidization gas".
- Hein; James E. - Houston TX
| Patent | Date |
|---|---|
| Methods For Chromium Catalyst Activation Using Oxygen-enriched Fluidization Gas App 20220267485 - Romig; Ralph W ; et al. | 2022-08-25 |
| Catalyst Pretreatment and Feeding System for Polypropylene Production App 20220135710 - KHANKAL; Reza ; et al. | 2022-05-05 |
| Loop Slurry Reactor Cooling Processes and Systems App 20220105489 - KHANKAL; Reza ; et al. | 2022-04-07 |
| Catalyst pretreatment and feeding system for polypropylene production Grant 11,254,761 - Khankal , et al. February 22, 2 | 2022-02-22 |
| Catalyst Slurry Mixing Process and System App 20210299618 - HEIN; James E. ; et al. | 2021-09-30 |
| System and Method for Rapid Dump Tank Heating App 20210261694 - CURREN; Joseph A. ; et al. | 2021-08-26 |
| System and method for rapid dump tank heating Grant 11,021,549 - Curren , et al. June 1, 2 | 2021-06-01 |
| System and Method for Rapid Dump Tank Heating App 20200354483 - CURREN; Joseph A. ; et al. | 2020-11-12 |
| Energy efficient polyolefin process Grant 9,610,558 - McElvain , et al. April 4, 2 | 2017-04-04 |
| Energy Efficient Polyolefin Process App 20160101399 - McElvain; Robert R. ; et al. | 2016-04-14 |
| Energy efficient polyolefin process Grant 9,221,920 - McElvain , et al. December 29, 2 | 2015-12-29 |
| Energy Efficient Polyolefin Process App 20140256889 - McElvain; Robert R. ; et al. | 2014-09-11 |
| Energy efficient polyolefin process Grant 8,765,884 - McElvain , et al. July 1, 2 | 2014-07-01 |
| Energy Efficient Polyolefin Process App 20140024788 - McElvain; Robert R. ; et al. | 2014-01-23 |
| Energy efficient polyolefin process Grant 8,569,433 - McElvain , et al. October 29, 2 | 2013-10-29 |
| Energy Efficient Polyolefin Process App 20130056899 - McElvain; Robert R. ; et al. | 2013-03-07 |
| Energy efficient polyolefin process Grant 8,303,899 - McElvain , et al. November 6, 2 | 2012-11-06 |
| Energy Efficient Polyolefin Process App 20120139149 - McElvain; Robert R. ; et al. | 2012-06-07 |
| Energy efficient polyolefin process Grant 8,128,877 - McElvain , et al. March 6, 2 | 2012-03-06 |
| Energy Efficient Polyolefin Process App 20110300025 - McElvain; Robert R. ; et al. | 2011-12-08 |
| Energy efficient polyolefin process Grant 8,017,701 - McElvain , et al. September 13, 2 | 2011-09-13 |
| System and method for deinventory of polymerization reactor Grant 7,999,044 - Hottovy , et al. August 16, 2 | 2011-08-16 |
| System and Method for Deinventory of Polymerization Reactor App 20100056707 - Hottovy; John D. ; et al. | 2010-03-04 |
| Large catalyst activator Grant 7,179,426 - Hottovy , et al. February 20, 2 | 2007-02-20 |
| Energy efficient polyolefin process App 20060063896 - McElvain; Robert R. ; et al. | 2006-03-23 |
| Continuous withdrawal from high solids slurry polymerization Grant 6,815,511 - Verser , et al. November 9, 2 | 2004-11-09 |
| Continuous withdrawal from high solids slurry polymerization App 20040122187 - Verser, Donald W. ; et al. | 2004-06-24 |
| Temperature controlling system for olefin polymerization reactors Grant 6,753,387 - Tait , et al. June 22, 2 | 2004-06-22 |
| Large catalyst activator App 20040052692 - Hottovy, John D. ; et al. | 2004-03-18 |
| Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent Grant 6,045,661 - Kreischer , et al. April 4, 2 | 2000-04-04 |
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