Inventor
HAGERTY ROBERT O
US51 patents
⚠️ This page may combine multiple inventors who share the name “HAGERTY ROBERT O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOBIL OIL CORP
16 patentsUS5514634AMay 7, 1996
High activity polyethylene catalysts
MOBIL OIL CORP33 citations92
US4834947AMay 30, 1989
Reactor system for rapid kill gas injection to gas phase polymerization reactors
MOBIL OIL CORP48 citations92
US4666999AMay 19, 1987
Method and reactor system for rapid kill gas injection to gas phase polymerization reactors
MOBIL OIL CORP31 citations92
US4547555AOct 15, 1985
Method for rapid kill gas injection to gas phase polymerization reactors during power failures
MOBIL OIL CORP42 citations92
US5688865ANov 18, 1997
Process and system for preventing pressure tap fouling in tandem polymerization reactors
MOBIL OIL CORP22 citations91
US5139986AAug 18, 1992
Catalyst composition for production of linear low-density ethylene-hexene copolymers and films thereof
MOBIL OIL CORP22 citations89
US5055533AOct 8, 1991
Process for polymerizing alpha-olefins with trimethylaluminum-activated catalyst
MOBIL OIL CORP22 citations89
US4888318ADec 19, 1989
Catalyst composition for polymerizing alpha-olefins
MOBIL OIL CORP34 citations89
US4732882AMar 22, 1988
Catalyst composition for polymerizing alpha-olefins
MOBIL OIL CORP48 citations89
US4675369AJun 23, 1987
Catalyst composition for polymerizing alpha-olefins at low reactants partial pressures
MOBIL OIL CORP13 citations74
US4666998AMay 19, 1987
Closed loop recycle of vent gas in polymerization process
MOBIL OIL CORP17 citations74
US4568658AFeb 4, 1986
Catalyst composition for polymerizing alpha-olefins at low reactants partial pressures
MOBIL OIL CORP9 citations74
US5693583ADec 2, 1997
High activity polyethylene catalysts which produce bimodal or trimodal product molecular weight distributions
MOBIL OIL CORP15 citations73
US4634752AJan 6, 1987
Process for preparing alpha-olefin polymers
MOBIL OIL CORP9 citations70
US4562169ADec 31, 1985
Alpha-olefins polymerization catalyst of high productivity
MOBIL OIL CORP13 citations70
US4786695ANov 22, 1988
Method and reactor system for rapid kill gas injection to gas phase polymerization reactors
MOBIL OIL CORP4 citations62
UNIVATION TECH LLC
13 patentsUS7122607B2Oct 17, 2006
Polymerization process
UNIVATION TECH LLC72 citations97
US7300987B2Nov 27, 2007
Polymerization process
UNIVATION TECH LLC37 citations95
US7683140B2Mar 23, 2010
Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring
UNIVATION TECH LLC22 citations93
US7507780B2Mar 24, 2009
Polymerization process
UNIVATION TECH LLC18 citations92
US7985811B2Jul 26, 2011
Method for controlling sheeting in gas phase reactors
UNIVATION TECH LLC9 citations84
US7774178B2Aug 10, 2010
Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature
UNIVATION TECH LLC13 citations84
US7799876B2Sep 21, 2010
Method and apparatus for controlling static charge in polyolefin reactors
UNIVATION TECH LLC7 citations74
US7947797B2May 24, 2011
Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness
UNIVATION TECH LLC2 citations63
US7910668B2Mar 22, 2011
Method for on-line determination of degree or onset of resin stickiness using acoustic data
UNIVATION TECH LLC4 citations63
US7754834B2Jul 13, 2010
Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density
UNIVATION TECH LLC3 citations62
US8378040B2Feb 19, 2013
Methods for cleaning the distributor plate in a fluidized bed reactor system
UNIVATION TECH LLC2 citations59
US8383739B2Feb 26, 2013
Systems and methods for monitoring a polymerization reaction
UNIVATION TECH LLC1 citations52
US7808227B2Oct 5, 2010
Systems and methods for detecting impurities in reactor systems
UNIVATION TECH LLC0 citations52
EXXONMOBIL CHEM PATENTS INC
9 patentsUS7449530B2Nov 11, 2008
Polymerization process
EXXONMOBIL CHEM PATENTS INC9 citations84
US7423103B2Sep 9, 2008
Low fouling and high activity polymerization process
EXXONMOBIL CHEM PATENTS INC9 citations84
US7351779B2Apr 1, 2008
Polymerization process and reactor system
EXXONMOBIL CHEM PATENTS INC16 citations84
US7728084B2Jun 1, 2010
Polymerization process
EXXONMOBIL CHEM PATENTS INC8 citations83
US7342079B2Mar 11, 2008
Polymerization process and reactor system
EXXONMOBIL CHEM PATENTS INC17 citations83
US7696289B2Apr 13, 2010
Low molecular weight induced condensing agents
EXXONMOBIL CHEM PATENTS INC14 citations75
US7700699B2Apr 20, 2010
Polymerization process
EXXONMOBIL CHEM PATENTS INC2 citations62
US7491776B2Feb 17, 2009
Polymerization process
EXXONMOBIL CHEM PATENTS INC5 citations62
US7858714B2Dec 28, 2010
Polymerization process
EXXONMOBIL CHEM PATENTS INC0 citations41
HAGERTY ROBERT O
4 patentsUS8433443B2Apr 30, 2013
Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events
HAGERTY ROBERT O21 citations90
USD406190SMar 2, 1999
Novelty baseball cap
HAGERTY ROBERT O7 citations73
US8088870B2Jan 3, 2012
Methods for applying solution catalysts to reactor surfaces
HAGERTY ROBERT O2 citations60
US8129481B1Mar 6, 2012
Methods for applying solution catalysts to reactor surfaces
HAGERTY ROBERT O0 citations50
MARKEL ERIC J
2 patentsEXXONMOBIL CHEMICAL PATENTS INC
2 patentsUNION CARBIDE CORP
1 patentHUSSEIN F DAVID
1 patentFORCE RANDALL L
1 patentAPECETCHE MARIA A
1 patentShowing the top 50 of 51 patents by PatentIndex Score.