Inventor
COUTANT WILLIAM R
US17 patents
⚠️ This page may combine multiple inventors who share the name “COUTANT WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
13 patentsUS6174981B1Jan 16, 2001
Polymerization process
PHILLIPS PETROLEUM CO89 citations98
US5380803AJan 10, 1995
Polyethylene blends
PHILLIPS PETROLEUM CO78 citations96
US5306775AApr 26, 1994
Polyethylene blends
PHILLIPS PETROLEUM CO85 citations96
US6613823B1Sep 2, 2003
Phosphite additives in polyolefins
PHILLIPS PETROLEUM CO49 citations94
US6355359B1Mar 12, 2002
Polyethylene film
PHILLIPS PETROLEUM CO18 citations92
US6214469B1Apr 10, 2001
Films comprising metallocene catalyzed polyethylene
PHILLIPS PETROLEUM CO26 citations92
US5319029AJun 7, 1994
Polyethylene blends
PHILLIPS PETROLEUM CO51 citations92
US5405917AApr 11, 1995
Selective admixture of additives for modifying a polymer
PHILLIPS PETROLEUM CO48 citations91
US6248840B1Jun 19, 2001
Process to produce a composition
PHILLIPS PETROLEUM CO15 citations84
US5296515AMar 22, 1994
Hydrovisbreaking of hydrocarbon polymers
PHILLIPS PETROLEUM CO12 citations73
US5654249AAug 5, 1997
Chromium catalyst compositions and polymerization processes therewith
PHILLIPS PETROLEUM CO8 citations72
US5508362AApr 16, 1996
Chromium catalyst compositions and polymerization processes therewith
PHILLIPS PETROLEUM CO10 citations72
US5017661AMay 21, 1991
Process for reducing the level of t-butyl alcohol (TBA) in visbroken polyolefins
PHILLIPS PETROLEUM CO2 citations62
CHEVRON PHILLIPS CHEMICAL CO
3 patentsUS6867278B2Mar 15, 2005
Olefin polymers, method of making, and use thereof
CHEVRON PHILLIPS CHEMICAL CO35 citations95
US7829646B2Nov 9, 2010
Olefin polymers, method of making, and use thereof
CHEVRON PHILLIPS CHEMICAL CO22 citations91
US7135511B2Nov 14, 2006
Phosphite additives in polyolefins
CHEVRON PHILLIPS CHEMICAL CO3 citations61