Assignee
FINA TECHNOLOGY
US546 patents
Top patents by PatentIndex Score
US5739220AApr 14, 1998
Method of olefin polymerization utilizing hydrogen pulsing, products made therefrom, and method of hydrogenation
FINA TECHNOLOGY260 citations99
US5416228AMay 16, 1995
Process and catalyst for producing isotactic polyolefins
FINA TECHNOLOGY167 citations99
US5387568AFeb 7, 1995
Preparation of metallocene catalysts for polymerization of olefins
FINA TECHNOLOGY297 citations99
US5155080AOct 13, 1992
Process and catalyst for producing syndiotactic polyolefins
FINA TECHNOLOGY220 citations99
US5036034AJul 30, 1991
Catalyst for producing hemiisotactic polypropylene
FINA TECHNOLOGY167 citations99
US4975403ADec 4, 1990
Catalyst systems for producing polyolefins having a broad molecular weight distribution
FINA TECHNOLOGY165 citations99
US4927797AMay 22, 1990
Catalyst system for the polymerization of olefins
FINA TECHNOLOGY161 citations99
US4892851AJan 9, 1990
Process and catalyst for producing syndiotactic polyolefins
FINA TECHNOLOGY457 citations99
US4794096ADec 27, 1988
Hafnium metallocene catalyst for the polymerization of olefins
FINA TECHNOLOGY706 citations99
US6184326B1Feb 6, 2001
Syndiotactic polypropylene
FINA TECHNOLOGY121 citations98
US6090325AJul 18, 2000
Biaxially-oriented metallocene-based polypropylene films
FINA TECHNOLOGY188 citations98
US5225500AJul 6, 1993
Process and catalyst for producing syndiotactic polyolefins
FINA TECHNOLOGY118 citations98
US6930071B2Aug 16, 2005
Ziegler-natta catalyst for polyolefins
FINA TECHNOLOGY85 citations97
US6864207B2Mar 8, 2005
Ziegler-Natta catalyst for polyolefins
FINA TECHNOLOGY79 citations97
US8796497B2Aug 5, 2014
Process for the oxidative coupling of hydrocarbons
FINA TECHNOLOGY58 citations96
US8729328B2May 20, 2014
Process for the oxidative coupling of hydrocarbons
FINA TECHNOLOGY57 citations96
US7511101B2Mar 31, 2009
Plug flow reactor and polymers prepared therewith
FINA TECHNOLOGY47 citations96
US6730751B2May 4, 2004
Polymerization of polyethylene having high molecular weight
FINA TECHNOLOGY46 citations96
US6214949B1Apr 10, 2001
Polymerization of polyolefins having low melt flow and high molecular weight
FINA TECHNOLOGY62 citations96
US6174971B1Jan 16, 2001
Ziegler-natta catalysts for olefin polymerization
FINA TECHNOLOGY63 citations96
US5907073AMay 25, 1999
Aromatic alkylation process
FINA TECHNOLOGY84 citations96
US5846896ADec 8, 1998
Metallocene catalyst systems
FINA TECHNOLOGY59 citations96
US5807800ASep 15, 1998
Process for producing stereospecific polymers
FINA TECHNOLOGY56 citations96
US5763549AJun 9, 1998
Cationic metallocene catalysts based on organoaluminum anions
FINA TECHNOLOGY56 citations96
US5663249ASep 2, 1997
Catalyst and process for polymerization of olefins
FINA TECHNOLOGY88 citations96
US5614457AMar 25, 1997
Catalyst system using aluminum alkyl with ion-pair metallocene catalysts
FINA TECHNOLOGY55 citations96
US5561092AOct 1, 1996
Metallocene catalysts with lewis acids and aluminum alkyls
FINA TECHNOLOGY83 citations96
US5519100AMay 21, 1996
Addition of aluminum alkyl for improved metallocene catalyst
FINA TECHNOLOGY57 citations96
US5476914ADec 19, 1995
Syndiotactic polypropylene
FINA TECHNOLOGY88 citations96
US5449651ASep 12, 1995
Metallocene compound for a catalyst component with good catalyst efficiency after aging
FINA TECHNOLOGY57 citations96
US5395810AMar 7, 1995
Method of making a homogeneous-heterogenous catalyst system for olefin polymerization
FINA TECHNOLOGY105 citations96
US5334677AAug 2, 1994
Process for producing syndiotactic polyolefins
FINA TECHNOLOGY91 citations96
US5308817AMay 3, 1994
Metallocene catalyst component with good catalyst efficiency after aging
FINA TECHNOLOGY48 citations96
US5304523AApr 19, 1994
Process and catalyst for producing crystalline polyolefins
FINA TECHNOLOGY43 citations96
US5243002ASep 7, 1993
Process and catalyst for producing syndiotactic polymers
FINA TECHNOLOGY78 citations96
US5162278ANov 10, 1992
Non-bridged syndiospecific metallocene catalysts and polymerization process
FINA TECHNOLOGY83 citations96
US5158920AOct 27, 1992
Process for producing stereospecific polymers
FINA TECHNOLOGY63 citations96
US5066738ANov 19, 1991
Polymerization of olefins with an improved catalyst system using a new electron donor
FINA TECHNOLOGY112 citations96
US5030786AJul 9, 1991
Liquid phase aromatic conversion process
FINA TECHNOLOGY108 citations96
US7179873B2Feb 20, 2007
Branched ionomers
FINA TECHNOLOGY40 citations95
US6489378B1Dec 3, 2002
Method for the preparation of core-shell morphologies from polybutadiene-polystyrene graft copolymers
FINA TECHNOLOGY70 citations95
US6225251B1May 1, 2001
Catalyst efficiency for supported metallocene catalyst
FINA TECHNOLOGY42 citations95
US5968864AOct 19, 1999
Catalyst efficiency for supported metallocene catalyst
FINA TECHNOLOGY62 citations95
US5912292AJun 15, 1999
Sodium benzoate as a nucleating agent for monoaxially oriented polypropylene film
FINA TECHNOLOGY57 citations95
US4917789AApr 17, 1990
Catalytic dewaxing process
FINA TECHNOLOGY159 citations95
US6916892B2Jul 12, 2005
Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
FINA TECHNOLOGY38 citations94
US6074590AJun 13, 2000
Process of making a bicomponent fiber
FINA TECHNOLOGY49 citations94
US5849655ADec 15, 1998
Polyolefin catalyst for polymerization of propylene and a method of making and using thereof
FINA TECHNOLOGY51 citations94
US5227558AJul 13, 1993
Aromatic alkylation process employing steam modified zeolite beta catalyst
FINA TECHNOLOGY80 citations94
US6872790B2Mar 29, 2005
Alpha olefin polymer products and catalyst systems
FINA TECHNOLOGY15 citations93
Showing the top 50 of 546 patents by PatentIndex Score.