Inventor
KATZEN STANLEY J
32 patents
⚠️ This page may combine multiple inventors who share the name “KATZEN STANLEY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT PETRO CHEM
16 patentsUS3985676AOct 12, 1976
Catalyst composition and method for the preparation thereof
NAT PETRO CHEM41 citations92
US3984351AOct 5, 1976
Olefin polymerization catalyst
NAT PETRO CHEM43 citations92
US4049896ASep 20, 1977
Olefin polymerization catalyst
NAT PETRO CHEM26 citations81
US4404340ASep 13, 1983
Process for polymerizing olefins in the presence of a titanium-phosphorus-chromium catalyst
NAT PETRO CHEM12 citations74
US4328124AMay 4, 1982
Olefin polymerization catalyst and process
NAT PETRO CHEM7 citations74
US4290914ASep 22, 1981
Catalytic materials as for olefin polymerization
NAT PETRO CHEM18 citations74
US4100104AJul 11, 1978
Catalytic materials as for olefin polymerization
NAT PETRO CHEM12 citations74
US4260706AApr 7, 1981
Olefin polymerization catalyst
NAT PETRO CHEM7 citations73
US4234453ANov 18, 1980
Olefin polymerization catalyst
NAT PETRO CHEM9 citations73
US4192775AMar 11, 1980
Olefin polymerization catalyst
NAT PETRO CHEM11 citations73
US4379075AApr 5, 1983
Process for polymerizing high melt index olefins and polymerization catalysts used therefore
NAT PETRO CHEM2 citations63
US4312786AJan 26, 1982
Process for polymerizing olefins and polymerization catalysts used therefor
NAT PETRO CHEM2 citations63
US4252926AFeb 24, 1981
Process for polymerizing olefins and polymerization catalysts used therefor
NAT PETRO CHEM2 citations63
US4234709ANov 18, 1980
Catalyst composition, method for producing same and method for polymerization of 1-olefins with same
NAT PETRO CHEM2 citations63
US4150209AApr 17, 1979
Catalytic materials as for olefin polymerization
NAT PETRO CHEM5 citations63
US4184028AJan 15, 1980
Olefin Polymerization catalyst
NAT PETRO CHEM3 citations62
EXXONMOBIL CHEM PATENTS INC
10 patentsUS7375169B1May 20, 2008
Method for catalyst preparation and improved polyethylene blow molding resin
EXXONMOBIL CHEM PATENTS INC37 citations92
US7262259B2Aug 28, 2007
Method of preparing a treated support
EXXONMOBIL CHEM PATENTS INC36 citations92
US7384885B2Jun 10, 2008
Catalyst activation and resins therefrom
EXXONMOBIL CHEM PATENTS INC13 citations84
US6921798B2Jul 26, 2005
Polymerization process
EXXONMOBIL CHEM PATENTS INC13 citations83
US7943700B2May 17, 2011
Enhanced ESCR of HDPE resins
EXXONMOBIL CHEM PATENTS INC7 citations82
US6809057B2Oct 26, 2004
Chromium compounds and olefin polymerization processes utilizing them
EXXONMOBIL CHEM PATENTS INC7 citations74
US7381778B2Jun 3, 2008
Method of preparing a treated support
EXXONMOBIL CHEM PATENTS INC5 citations63
US7691955B2Apr 6, 2010
Catalyst activation and resins therefrom
EXXONMOBIL CHEM PATENTS INC0 citations52
US7192901B2Mar 20, 2007
Method of preparing a treated support
EXXONMOBIL CHEM PATENTS INC1 citations52
US7632901B2Dec 15, 2009
Catalyst system and process
EXXONMOBIL CHEM PATENTS INC0 citations41
NAT DISTILLERS CHEM CORP
4 patentsUS5081089AJan 14, 1992
Chromium catalyst compositions and polymerization utilizing same
NAT DISTILLERS CHEM CORP34 citations92
US4981927AJan 1, 1991
Chromium catalyst compositions and polymerization utilizing same
NAT DISTILLERS CHEM CORP35 citations92
US4593079AJun 3, 1986
Resin rheology control process and catalyst therefor
NAT DISTILLERS CHEM CORP15 citations74
US4496699AJan 29, 1985
Process for polymerizing high melt index olefins and polymerization catalysts used therefore
NAT DISTILLERS CHEM CORP7 citations74