Inventor
FREEMAN JEFFREY W
US15 patents
⚠️ This page may combine multiple inventors who share the name “FREEMAN JEFFREY W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
13 patentsUS5523507AJun 4, 1996
Process of trimerizing and oligomerizing olefins using chromium compounds
PHILLIPS PETROLEUM CO109 citations99
US5856257AJan 5, 1999
Olefin production
PHILLIPS PETROLEUM CO153 citations98
US5376612ADec 27, 1994
Chromium catalysts and process for making chromium catalysts
PHILLIPS PETROLEUM CO89 citations97
US7157612B2Jan 2, 2007
Olefin production process
PHILLIPS PETROLEUM CO86 citations96
US5814575ASep 29, 1998
Chromium compounds and uses thereof
PHILLIPS PETROLEUM CO58 citations96
US5786431AJul 28, 1998
Process for olefin polymerization
PHILLIPS PETROLEUM CO43 citations96
US5763723AJun 9, 1998
Chromium compounds and uses thereof
PHILLIPS PETROLEUM CO81 citations96
US5689028ANov 18, 1997
Process to regulate olefin production by catalyst system inhibition
PHILLIPS PETROLEUM CO86 citations96
US5563312AOct 8, 1996
Olefin production
PHILLIPS PETROLEUM CO81 citations96
US5543375AAug 6, 1996
Olefin production
PHILLIPS PETROLEUM CO71 citations96
US5451645ASep 19, 1995
Process for olefin polymerization
PHILLIPS PETROLEUM CO61 citations96
US5919996AJul 6, 1999
Olefin production
PHILLIPS PETROLEUM CO59 citations95
US5986153ANov 16, 1999
Olefin color stabilization
PHILLIPS PETROLEUM CO26 citations92