P

Inventor

GEERTS ROLF L

US34 patents
⚠️ This page may combine multiple inventors who share the name “GEERTS ROLF L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILLIPS PETROLEUM CO

31 patents
US5594078AJan 14, 1997

Process for producing broad molecular weight polyolefin

PHILLIPS PETROLEUM CO169 citations99
US5565592AOct 15, 1996

Vinly-substituted bridged metallocenes

PHILLIPS PETROLEUM CO171 citations99
US5466766ANov 14, 1995

Metallocenes and processes therefor and therewith

PHILLIPS PETROLEUM CO136 citations99
US5436305AJul 25, 1995

Organometallic fluorenyl compounds, preparation, and use

PHILLIPS PETROLEUM CO213 citations99
US5399636AMar 21, 1995

Metallocenes and processes therefor and therewith

PHILLIPS PETROLEUM CO243 citations99
US5534473AJul 9, 1996

Catalyst systems for producing broad molecular weight polyolefin

PHILLIPS PETROLEUM CO105 citations98
US5401817AMar 28, 1995

Olefin polymerization using silyl-bridged metallocenes

PHILLIPS PETROLEUM CO146 citations98
US5627247AMay 6, 1997

Organometallic fluorenyl compounds and use thereof in olefin polymerization

PHILLIPS PETROLEUM CO60 citations96
US5496781AMar 5, 1996

Metallocene catalyst systems, preparation, and use

PHILLIPS PETROLEUM CO103 citations96
US5480848AJan 2, 1996

Catalyst composition and the use in olefin polymerization

PHILLIPS PETROLEUM CO76 citations96
US5414180AMay 9, 1995

Organo-aluminoxy product and use

PHILLIPS PETROLEUM CO98 citations95
US6828268B1Dec 7, 2004

Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst

PHILLIPS PETROLEUM CO28 citations92
US5670589ASep 23, 1997

Organoaluminoxy product, catalyst systems, preparation, and use

PHILLIPS PETROLEUM CO21 citations92
US5610247AMar 11, 1997

Unbridged metallocenes of 9-substituted fluorenyl compounds and use thereof

PHILLIPS PETROLEUM CO38 citations92
US5480948AJan 2, 1996

Olefin polymerization process

PHILLIPS PETROLEUM CO43 citations92
US5436212AJul 25, 1995

Organoaluminoxy product, preparation, and use

PHILLIPS PETROLEUM CO28 citations92
US5411925AMay 2, 1995

Organo-aluminoxy product and use

PHILLIPS PETROLEUM CO22 citations92
US5354721AOct 11, 1994

Organo-aluminoxy product and use

PHILLIPS PETROLEUM CO21 citations92
US5616752AApr 1, 1997

Metallocenes and processes therefor and therewith

PHILLIPS PETROLEUM CO15 citations82
US5459218AOct 17, 1995

Syndiotactic polypropylene prepared using silyl bridged metallocenes

PHILLIPS PETROLEUM CO18 citations82
US6420579B1Jul 16, 2002

Organometallic fluorenyl compounds, preparation, and use

PHILLIPS PETROLEUM CO5 citations74
US6403734B1Jun 11, 2002

Organometallic fluorenyl compounds, preparation, and use

PHILLIPS PETROLEUM CO5 citations74
US6162936ADec 19, 2000

Organometallic fluorenyl compounds, preparation, and use

PHILLIPS PETROLEUM CO8 citations74
US5399622AMar 21, 1995

System of chromium catalyst and yttrium catalyst, olefin polymerization process, and polymer

PHILLIPS PETROLEUM CO5 citations74
US5244991ASep 14, 1993

Olefin polymerization process

PHILLIPS PETROLEUM CO13 citations74
US5583189ADec 10, 1996

Polymerization processes

PHILLIPS PETROLEUM CO6 citations72
US5962592AOct 5, 1999

Ethylene copolymer compositions

PHILLIPS PETROLEUM CO13 citations69
US7022781B2Apr 4, 2006

Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst

PHILLIPS PETROLEUM CO3 citations63
US5459203AOct 17, 1995

Ethylene cone-shell polymer powders

PHILLIPS PETROLEUM CO5 citations63
US5627118AMay 6, 1997

Silyl bridged metallocenes and use thereof

PHILLIPS PETROLEUM CO3 citations62
US6353071B1Mar 5, 2002

Processes to produce organo-aluminoxane compositions

PHILLIPS PETROLEUM CO1 citations52

(unassigned)

2 patents

PHILLIPS POTROLEUM COMPANY

1 patent