Inventor
Francis C. Rix
Inventor
League City, TX, US
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds29%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%
Y02PClimate change mitigation technologies in the production or processing of goods11%
C08LCompositions of macromolecular compounds10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
C08JWorking-up7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C07CAcyclic or carbocyclic compounds3%
C10MLubricating compositions1%
PatentTitleYear
11,034,783Method of producing polyethylene and polyethylene thereof202111,021,552Toluene free silica supported single-site metallocene catalysts from in-situ supported alumoxane formation in aliphatic solvents202110,822,440Dual metallocene-catalyzed bimodal copolymer compositions202010,808,049Dual metallocene catalyst copolymer compositions202010,640,583Catalyst composition comprising fluorided support and processes for use thereof202010,604,606Producing polyolefin products202010,421,829Producing polyolefin products201910,392,456Producing polyolefin products201910,308,742Producing polyolefin products with improved stiffness, toughness, and processability201910,253,121Method of producing polyethylene and polyethylene thereof201910,239,977Producing polyolefin products201910,189,923Producing polyolefin products20199,932,426Producing polyolefin products20189,879,106'Producing polyolefin products'20189,850,332Producing polyolefin products with improved stiffness, toughness, and processability20179,809,667'Producing polyolefin products'20179,234,060'Methods of preparing a catalyst system'20169,181,371'Methods for producing polyolefins with catalyst systems'20158,975,427'Synthesis of alkyl cyclopentadiene compounds'20158,835,577'Catalyst systems having a tailored hydrogen response'20148,598,287'Metallocene catalysts and their use in polymerization processes'20138,586,497'Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom'20138,455,601'Polyolefin film'20138,435,914'Mixed metal catalyst systems having a tailored hydrogen response'20138,404,915'Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations'20138,329,835'Polyethylene compositions having improved properties'20128,088,704'Polymerization catalysts and methods of using the same to produce polyolefin products'20127,638,671'Methods of oligomerizing olefins'20097,638,670'Methods for oligomerizing olefins'20097,605,105'Transition metal polymerization catalysts, their synthesis and use in olefin polymerization'20097,601,666'Olefin polymerization catalyst system and process for use thereof'20097,479,531'Olefin polymerization catalyst system useful for polar monomers'20097,425,661'Methods for oligomerizing olefins'20087,414,006'Methods for oligomerizing olefins'20087,351,845'Transition metal polymerization catalysts, their synthesis and use in olefin polymerization'20087,332,551'Partially fluorinated naphthyl-based borates'20087,285,609'Olefin polymerization catalyst system useful for polar monomers'20077,279,536'Polymer production at supercritical conditions'20077,094,848'Olefin polymerization catalyst system'20067,081,543'Bridged biscyclopentadienyl ligands and method of preparation'20067,077,977'Bulky borate activations'20067,045,583'Olefin polymerization catalyst system'20066,960,676'Method of preparing group 14 bridged biscyclopentadienyl ligands'20056,838,411'Olefin polymerization catalysis with aryl substituted carbenium cationic complexes'20056,528,670'Bridged metallocenes for olefin copolymerization'20036,506,857'Bridged metallocenes for olefin copolymerization'20036,492,465'Propylene impact copolymers'20026,475,946'Olefin polymerization catalysis with aryl substituted carbenium cationic complexes'20026,476,164'Carbenium cationic complexes suitable for polymerization catalysts'20026,472,474'Propylene impact copolymers'20026,384,142'Propylene impact copolymers'20026,342,566'Propylene impact copolymers'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2013Patents assigned to EXXONMOBIL CHEM PATENTS INC (24)· patent assignee history
2002–2021Based in League City, TX, US· patent location history
2012–2021Patents assigned to UNIVATION TECH LLC (22)· patent assignee history
2012–2015Patents assigned to RIX FRANCIS C (8)· patent assignee history
2012–2014Patents assigned to LI DONGMING (6)· patent assignee history
2012–2014Patents assigned to KOLB RAINER (5)· patent assignee history
2015–2021Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXONMOBIL CHEM PATENTS INC | 24 | 2002–2013 |
| UNIVATION TECH LLC | 22 | 2012–2021 |
| RIX FRANCIS Cself | 8 | 2012–2015 |
| LI DONGMING | 6 | 2012–2014 |
| KOLB RAINER | 5 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| League City, Texas, US | 43 | 2002–2021 |
| Houston, Texas, US | 9 | 2015–2021 |