Inventor
RAUSCHER DAVID J
US24 patents
Patents
24 patentsUS5739220AApr 14, 1998
Method of olefin polymerization utilizing hydrogen pulsing, products made therefrom, and method of hydrogenation
FINA TECHNOLOGY260 citations99
US5395810AMar 7, 1995
Method of making a homogeneous-heterogenous catalyst system for olefin polymerization
FINA TECHNOLOGY105 citations96
US6156854ADec 5, 2000
Method of olefin polymerization utilizing hydrogen pulsing, products made therefrom, and method of hydrogenation
FINA TECHNOLOGY26 citations92
US6239058B1May 29, 2001
Process for activating a metallocene catalyst supported on silica
FINA TECHNOLOGY18 citations91
US6211109B1Apr 3, 2001
Process for treating silica with alumoxane
FINA TECHNOLOGY32 citations91
US6657024B1Dec 2, 2003
Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
FINA TECHNOLOGY20 citations90
US5789502AAug 4, 1998
Process for co-polymerization of propylene and ethylene
FINA TECHNOLOGY50 citations90
US6855783B2Feb 15, 2005
Supported metallocene catalysts
FINA TECHNOLOGY48 citations88
US6657025B2Dec 2, 2003
Production of ultra high melt flow polypropylene resins
FINA TECHNOLOGY29 citations88
US6410663B2Jun 25, 2002
Electron donors in a Ziegler-Natta catalyst for the production of high melt flow copolymers
FINA TECHNOLOGY16 citations83
US7022796B2Apr 4, 2006
Production of ultra high melt flow polypropylene resins
FINA TECHNOLOGY12 citations80
US5308818AMay 3, 1994
Catalyst system for the polymerization of olefins
FINA TECHNOLOGY16 citations74
US6166153ADec 26, 2000
Process for the syndiotactic propagation of olefins
FINA TECHNOLOGY10 citations73
US5330947AJul 19, 1994
Boron alkyl as co-catalyst to improve polymerization yield and control polydispersity
FINA TECHNOLOGY11 citations73
US7470764B2Dec 30, 2008
Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
FINA TECHNOLOGY3 citations71
US6489411B1Dec 3, 2002
Catalyst formulation and polymerization processes
FINA TECHNOLOGY6 citations62
US5432139AJul 11, 1995
Catalyst formulation and polymerization process
FINA TECHNOLOGY6 citations62
US5378672AJan 3, 1995
Methods and systems for multi-component catalyst formulation
FINA TECHNOLOGY5 citations62
US7202191B2Apr 10, 2007
Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
FINA TECHNOLOGY3 citations60
US7109143B2Sep 19, 2006
Polymerization catalyst system using n-butymethyldimethoxysilane for preparation of polypropylene film grade resins
FINA TECHNOLOGY2 citations60
US5254517AOct 19, 1993
Diethylaluminum alkoxide/aluminum alkyl co-catalyst for improved polymerization yield
FINA TECHNOLOGY5 citations55
US9624321B2Apr 18, 2017
Formation of a Ziegler-Natta catalyst
FINA TECHNOLOGY0 citations52
US9650448B2May 16, 2017
Formation of a Ziegler-Natta catalyst
FINA TECHNOLOGY0 citations42
US6667380B1Dec 23, 2003
Catalyst formulation and polymerization processes
FINA TECHNOLOGY0 citations41