Inventor
COLLINS KATHY S
US67 patents
⚠️ This page may combine multiple inventors who share the name “COLLINS KATHY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
29 patentsUS6831141B2Dec 14, 2004
Process for producing polymers
PHILLIPS PETROLEUM CO124 citations99
US6750302B1Jun 15, 2004
Organometal catalyst compositions
PHILLIPS PETROLEUM CO411 citations99
US6667274B1Dec 23, 2003
Polymerization catalysts
PHILLIPS PETROLEUM CO396 citations99
US6632894B1Oct 14, 2003
Organometal catalyst compositions
PHILLIPS PETROLEUM CO398 citations99
US6613712B1Sep 2, 2003
Organometal catalyst compositions with solid oxide supports treated with fluorine and boron
PHILLIPS PETROLEUM CO398 citations99
US6576583B1Jun 10, 2003
Organometal catalyst composition
PHILLIPS PETROLEUM CO361 citations99
US6548441B1Apr 15, 2003
Organometal catalyst compositions
PHILLIPS PETROLEUM CO445 citations99
US6548442B1Apr 15, 2003
Organometal compound catalyst
PHILLIPS PETROLEUM CO407 citations99
US6524987B1Feb 25, 2003
Organometal catalyst compositions
PHILLIPS PETROLEUM CO472 citations99
US6395666B1May 28, 2002
Organometal catalyst compositions
PHILLIPS PETROLEUM CO498 citations99
US6391816B1May 21, 2002
Organometal compound catalyst
PHILLIPS PETROLEUM CO445 citations99
US6376415B1Apr 23, 2002
Organometal catalyst compositions
PHILLIPS PETROLEUM CO466 citations99
US6355594B1Mar 12, 2002
Organometal catalyst compositions
PHILLIPS PETROLEUM CO516 citations99
US6316553B1Nov 13, 2001
Process for producing polymers using a composition comprising an organometal compound, a treated solid oxide compound, and an organoaluminum compound
PHILLIPS PETROLEUM CO445 citations99
US6300271B1Oct 9, 2001
Compositions that can produce polymers
PHILLIPS PETROLEUM CO535 citations99
US6165929ADec 26, 2000
Compositions that can produce polymers
PHILLIPS PETROLEUM CO462 citations99
US6107230AAug 22, 2000
Compositions that can produce polymers
PHILLIPS PETROLEUM CO524 citations99
US6992032B2Jan 31, 2006
Organometal catalyst compositions
PHILLIPS PETROLEUM CO74 citations98
US6833338B2Dec 21, 2004
Organometal compound catalyst
PHILLIPS PETROLEUM CO100 citations98
US6388017B1May 14, 2002
Process for producing a polymer composition
PHILLIPS PETROLEUM CO424 citations98
US7417097B2Aug 26, 2008
Organometal compound catalyst
PHILLIPS PETROLEUM CO46 citations96
US6653416B2Nov 25, 2003
Polymerization process utilizing organometal catalyst compositions and the polymer produced thereby
PHILLIPS PETROLEUM CO71 citations96
US6613852B2Sep 2, 2003
Organometal catalyst compositions
PHILLIPS PETROLEUM CO48 citations96
US6531550B1Mar 11, 2003
Process for producing polymers
PHILLIPS PETROLEUM CO41 citations96
US7109277B2Sep 19, 2006
Polymerization catalysts
PHILLIPS PETROLEUM CO31 citations93
US6887819B2May 3, 2005
Compositions that can produce polymers
PHILLIPS PETROLEUM CO20 citations93
US6878785B2Apr 12, 2005
Organometal compound catalyst
PHILLIPS PETROLEUM CO18 citations93
US6716938B2Apr 6, 2004
Polymerization catalyst systems, methods of making and uses therefor
PHILLIPS PETROLEUM CO16 citations92
US7041753B2May 9, 2006
Organometal catalyst compositions
PHILLIPS PETROLEUM CO11 citations84
CHEVRON PHILLIPS CHEMICAL CO
14 patentsUS8703886B1Apr 22, 2014
Dual activator-support catalyst systems
CHEVRON PHILLIPS CHEMICAL CO193 citations99
US8623973B1Jan 7, 2014
Activator supports impregnated with group VIII transition metals for polymer property control
CHEVRON PHILLIPS CHEMICAL CO242 citations99
US7884163B2Feb 8, 2011
Silica-coated alumina activator-supports for metallocene catalyst compositions
CHEVRON PHILLIPS CHEMICAL CO428 citations99
US7601665B2Oct 13, 2009
Compositions that can produce polymers
CHEVRON PHILLIPS CHEMICAL CO365 citations99
US9023959B2May 5, 2015
Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same
CHEVRON PHILLIPS CHEMICAL CO203 citations98
US7763561B2Jul 27, 2010
Compositions that can produce polymers
CHEVRON PHILLIPS CHEMICAL CO64 citations98
US7700516B2Apr 20, 2010
Methods of preparing a polymerization catalyst
CHEVRON PHILLIPS CHEMICAL CO59 citations98
US7163906B2Jan 16, 2007
Organochromium/metallocene combination catalysts for producing bimodal resins
CHEVRON PHILLIPS CHEMICAL CO114 citations98
US7547754B2Jun 16, 2009
Organometal compound catalyst
CHEVRON PHILLIPS CHEMICAL CO39 citations96
US7906603B2Mar 15, 2011
Polymers having broad molecular weight distributions and methods of making the same
CHEVRON PHILLIPS CHEMICAL CO15 citations93
US7214642B2May 8, 2007
Methods of preparing active chromium/alumina catalysts via treatment with sulfate
CHEVRON PHILLIPS CHEMICAL CO30 citations93
US7112643B2Sep 26, 2006
Polymers having low levels of long chain branching and methods of making the same
CHEVRON PHILLIPS CHEMICAL CO34 citations93
US8940844B2Jan 27, 2015
Methods for terminating olefin polymerizations
CHEVRON PHILLIPS CHEMICAL CO5 citations84
US7307133B2Dec 11, 2007
Polymers having broad molecular weight distributions and methods of making the same
CHEVRON PHILLIPS CHEMICAL CO11 citations84
CHEVRON PHILLIPS CHEMICAL CO LP
3 patentsUS9796798B2Oct 24, 2017
Methods of preparing a catalyst
CHEVRON PHILLIPS CHEMICAL CO LP57 citations98
US10246528B2Apr 2, 2019
Chromium (III) catalyst systems with activator-supports
CHEVRON PHILLIPS CHEMICAL CO LP25 citations94
US9587048B2Mar 7, 2017
Methods of preparing a catalyst
CHEVRON PHILLIPS CHEMICAL CO LP43 citations94
MCDANIEL MAX P
2 patentsYU YOULU
1 patentYANG QING
1 patentShowing the top 50 of 67 patents by PatentIndex Score.