Spriggs; Thomas E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Spriggs; Thomas E..The latest application filed is for "robust spray-dried ziegler-natta procatalyst and polymerization process employing same".

Company Profile

0.6.2

Spriggs; Thomas E. - Cross Lanes WV
Spriggs; Thomas E. - Crosslanes WV

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Robust Spray-Dried Ziegler-Natta Procatalyst and Polymerization Process Employing Same App 20110166305 - Jorgensen; Robert J. ; et al.	2011-07-07
Chromium-based catalysts in mineral oil for production of polyethylene Grant 7,202,313 - Jorgensen , et al. April 10, 2	2007-04-10
Chromium-based catalysts in mineral oil for production of polyethylene App 20060155081 - Jorgensen; Robert J. ; et al.	2006-07-13
Ethylene polymerization using a titanium and vanadium catalyst system in staged reactors Grant 5,442,018 - Cann , et al. August 15, 1	1995-08-15
Process of producing ethylene polymer blends in gas phase Grant 5,405,901 - Daniell , et al. April 11, 1	1995-04-11
High density, high molecular weight polyethylene Grant 5,371,145 - Daniell , et al. December 6, 1	1994-12-06
Process for the simultaneous trimerization and copolymerization of ethylene Grant 5,137,994 - Goode , et al. August 11, 1	1992-08-11
Method for reducing sheeting during polymerization of alpha-olefins Grant 4,803,251 - Goode , et al. February 7, 1	1989-02-07

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