P

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 patents
US5514634AMay 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 patents
US7122607B2Oct 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 patents

HAGERTY ROBERT O

4 patents

MARKEL ERIC J

2 patents

EXXONMOBIL CHEMICAL PATENTS INC

2 patents

UNION CARBIDE CORP

1 patent

HUSSEIN F DAVID

1 patent

FORCE RANDALL L

1 patent

APECETCHE MARIA A

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.