Top Inventors for class "Synthetic resins or natural rubbers -- part of the class 520 series" |
Rank | Inventor's name | Country | City/State | Last publication | # of patent apps in this class |
1 | Qing Yang | US | Bartlesville, OK | Dec 23, 2021 / 20210395413 - CATALYST COMPOSITION AND METHOD FOR PREPARING POLYETHYLENE | 81 |
2 | Max P. Mcdaniel | US | Bartlesville, OK | Sep 08, 2022 / 20220280925 - Methods of Preparing a Catalyst Utilizing Hydrated Reagents | 64 |
3 | Shahram Mihan | DE | Bad Soden | Aug 18, 2022 / 20220259416 - EXTRUSION ADDITIVE MANUFACTURING PROCESS FOR PRODUCING POLYETHYLENE ARTICLES | 41 |
4 | Luigi Resconi | IT | Ferrara | May 18, 2017 / 20170137343 - Catalyst | 30 |
5 | Abbas Razavi | BE | Mons | Feb 04, 2016 / 20160032024 - Activating Agents for Hafnium-Based Metallocene Components | 29 |
6 | Matthew W. Holtcamp | US | Huffman, TX | Sep 15, 2022 / 20220289883 - Supported Catalyst Systems and Methods of Using Same | 28 |
7 | Elizabeth A. Benham | US | Spring, TX | Dec 10, 2015 / 20150353652 - CHAIN TRANSFER AGENT REMOVAL BETWEEN POLYOLEFIN POLYMERIZATION REACTORS | 28 |
8 | Gianni Collina | IT | Ferrara | Jul 28, 2022 / 20220235212 - PROPYLENE BASED POLYMER COMPOSITION | 25 |
9 | Joel L. Martin | US | Bartlesville, OK | Sep 18, 2014 / 20140275462 - Radically Coupled Resins and Methods of Making and Using Same | 25 |
10 | Donna J. Crowther | US | Seabrook, TX | Jul 01, 2021 / 20210198391 - CATALYSTS FOR CONTROL OF LONG CHAIN BRANCHING | 24 |
11 | Giampiero Morini | IT | Padova | Dec 13, 2012 / 20120316300 - CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS | 24 |
12 | Tony R. Crain | US | Niotaze, KS | Mar 10, 2016 / 20160068625 - Dual Catalyst Systems for Producing Polymers with a Broad Molecular Weight Distribution and a Uniform Short Chain Branch Distribution | 24 |
13 | Patrick Brant | US | Seabrook, TX | Mar 03, 2016 / 20160060552 - POLYALKYL SUCCINIC ANHYDRIDE DERIVATIVES AS ADDITIVES FOR FOULING MITIGATION IN PETROLEUM REFINERY PROCESSES | 24 |
14 | Giampiero Morini | IT | Ferrara | Sep 22, 2022 / 20220298343 - HETEROPHASIC PROPYLENE COPOLYMERS | 23 |
15 | Albert P. Masino | US | Tulsa, OK | Jan 28, 2016 / 20160024235 - Polymer Films Having Improved Heat Sealing Properties | 21 |
16 | Garth R. Giesbrecht | US | The Woodlands, TX | Apr 19, 2018 / 20180105625 - PRODUCING POLYOLEFIN PRODUCTS | 21 |
17 | John R. Hagadorn | US | Houston, TX | Sep 08, 2022 / 20220282004 - Non-Coordinating Anion Type Activators for use with Polyolefin Polymerization Catalysts | 21 |
18 | RĂ¼diger Funk | DE | Niedernhausen | Jun 07, 2018 / 20180154335 - Process for Producing Water-Absorbing Polymer Particles | 21 |
19 | Scott E. Kufeld | US | Houston, TX | Feb 04, 2021 / 20210032380 - Multiple Reactor and Multiple Zone Polyolefin Polymerization | 21 |
20 | Youlu Yu | US | Bartlesville, OK | Sep 15, 2022 / 20220289880 - PEROXIDE TREATED BLOW MOLDING POLYMERS WITH INCREASED WEIGHT SWELL AND CONSTANT DIE SWELL | 20 |
21 | Steven Luo | US | Copley, OH | Jan 26, 2017 / 20170022301 - POLYMERS FUNCTIONALIZED WITH IMINE COMPOUNDS CONTAINING A PROTECTED THIOL GROUP | 20 |
22 | John D. Hottovy | US | Kingwood, TX | Oct 13, 2016 / 20160297729 - Ethylene Recovery by Absorption | 20 |
23 | Peter Phung Minh Hoang | CA | Calgary | Dec 27, 2018 / 20180371131 - METHOD FOR ALTERING MELT FLOW RATIO OF ETHYLENE POLYMERS | 20 |
24 | Louis Fouarge | BE | Dilbeek | Apr 21, 2016 / 20160108149 - Double Loop Technology | 20 |
25 | Alexander Z. Voskoboynikov | RU | Moscow | Dec 30, 2021 / 20210402384 - Hexahydrocyclopenta[e]-as-indacen-1-yl and Octahydrobenzo[e]-as-indacen-1-yl based Catalyst Complexes and Process for Use Thereof | 19 |
26 | Brent R. Walworth | BE | Sint-Niklaas | Mar 03, 2016 / 20160060369 - SLURRY PHASE POLYMERISATION PROCESS | 18 |
27 | Sandor Nagy | US | Naperville, IL | Dec 31, 2015 / 20150375200 - METHOD OF PREPARING EXPOXIDATION CATALYSTS | 18 |
28 | Matthias Weismantel | DE | Jossgrund-Oberndorf | Dec 31, 2015 / 20150376318 - Method for Producing Water-Absorbing Polymer Particles with High Swelling Rate and High Centrifuge Retention Capacity with Simultaneously High Permeability of the Swollen Gel Bed | 18 |
29 | Errun Ding | US | Bartlesville, OK | Oct 07, 2021 / 20210309841 - Dual Catalyst System for Producing LLDPE and MDPE Copolymers with Long Chain Branching for Film Applications | 18 |
30 | Tak W. Leung | US | Houston, TX | Dec 03, 2015 / 20150344597 - PRODUCTION OF SUBSTITUTED PHENYLENE DIBENZOATE INTERNAL ELECTRON DONOR AND PROCATALYST WITH SAME | 18 |
31 | Daniel Siraux | BE | Naast | Apr 21, 2016 / 20160108149 - Double Loop Technology | 18 |
32 | Charles Ashton Garret Carter | CA | Calgary | Nov 19, 2015 / 20150329658 - PASSIVATED SUPPORTS FOR USE WITH OLEFIN POLYMERIZATION CATALYSTS | 18 |
33 | Joachim T.m. Pater | IT | Ferrara | Jun 11, 2015 / 20150158957 - CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS | 17 |
34 | Mehmet Demirors | US | Pearland, TX | Sep 15, 2022 / 20220288899 - MULTILAYER FILMS THAT INCLUDE AT LEAST FIVE LAYERS AND METHODS OF PRODUCING THE SAME | 17 |
35 | Kathy S. Collins | US | Bartlesville, OK | Jul 23, 2015 / 20150203617 - Methods for Producing Fluorided-Chlorided Silica-Coated Alumina Activator-Supports and Catalyst Systems Containing the Same | 17 |
36 | Daan Dewachter | BE | Mechelen | Oct 22, 2015 / 20150299441 - Process for Preparing Ziegler-Natta Produced Polyethylene Blends | 17 |
37 | Tao Tao | US | Houston, TX | Oct 22, 2015 / 20150299346 - PROCATALYST COMPOSITION WITH SUBSTITUTED 1,2-PHENYLENE AROMATIC DIESTER INTERNAL DONOR AND METHOD | 16 |
38 | Simona Guidotti | IT | Bologna | May 21, 2015 / 20150141595 - CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS | 16 |
39 | RĂ¼diger Funk | DE | Niedernhausen | Dec 06, 2012 / 20120309920 - Process for Continuously Producing Water-Absorbing Polymer Particles | 16 |
40 | Mark G Goode | US | Hurricane, WV | Dec 24, 2015 / 20150368377 - PREPARATION OF POLYOLEFIN | 16 |
41 | Victoria Ker | CA | Calgary | Dec 27, 2018 / 20180371131 - METHOD FOR ALTERING MELT FLOW RATIO OF ETHYLENE POLYMERS | 16 |
42 | Gianni Vitale | IT | Ferrara | Sep 22, 2022 / 20220298343 - HETEROPHASIC PROPYLENE COPOLYMERS | 15 |
43 | Linfeng Chen | US | Missouri City, TX | Jul 28, 2022 / 20220235155 - HAFNOCENE-TITANOCENE CATALYST SYSTEM | 15 |
44 | Benedetta Gaddi | IT | Ferrara | Jul 28, 2022 / 20220235212 - PROPYLENE BASED POLYMER COMPOSITION | 14 |
45 | Martin Schneider | DE | Hochheim | Jun 15, 2017 / 20170166667 - CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS | 14 |
46 | Peter Denifl | FI | Helsinki | Nov 12, 2015 / 20150322177 - PROCESS FOR PRODUCING A ZIEGLER NATTA PROCATALYST FOR ETHYLENE POLYMERISATION | 14 |
47 | Jean-Louis Chamayou | FR | Carry Le Rouet | Nov 12, 2015 / 20150322249 - PROCESS FOR TRANSITIONING | 14 |
48 | Diego Brita | IT | Ferrara | Dec 23, 2021 / 20210395401 - PRECURSORS AND CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS | 14 |
49 | Mark L. Hlavinka | US | Bartlesville, OK | May 05, 2016 / 20160122454 - Polymers With Improved Toughness and ESCR for Large-Part Blow Molding Applications | 14 |
50 | Zengquan Qin | US | Copley, OH | Oct 13, 2016 / 20160297913 - Elastomeric Compounds Having Increased Cold Flow Resistance And Methods Producing The Same | 14 |
51 | Martine Slawinski | BE | Nivelles | Dec 02, 2021 / 20210371636 - Process for Producing Monovinylaromatic Polymer Incorporating Post-Consumer Recycled Polystyrene, Monovinylaromatic Polymer Incorporating Post-Consumer Recycled Polystyrene and Articles Produced Thereof | 14 |
52 | Teresa P. Karjala | US | Lake Jackson, TX | Sep 15, 2022 / 20220288901 - MULTILAYER FILMS AND ARTICLES COMPRISING MULTILAYER FILMS | 14 |
53 | Timo Leinonen | FI | Tolkkinen | Nov 12, 2015 / 20150322177 - PROCESS FOR PRODUCING A ZIEGLER NATTA PROCATALYST FOR ETHYLENE POLYMERISATION | 13 |
54 | Pascal Castro | FI | Helsinki | May 18, 2017 / 20170137343 - Catalyst | 13 |
55 | Gary L. Glass | US | Dewey, OK | May 18, 2017 / 20170137547 - Processes for Preparing Solid Metallocene-Based Catalyst Systems | 13 |
56 | Jerzy Klosin | US | Midland, MI | Oct 07, 2021 / 20210309768 - BIS-PHENYL-PHENOXY POLYOLEFIN PROCATALYSTS HAVING TWO ANTHRACENYL LIGANDS | 13 |
57 | Otto J. Berbee | NL | Hulst | Mar 19, 2020 / 20200087492 - Process to Make High Density Ethylene-Based Polymer Compositions with High Melt Strength | 13 |
58 | Kevin J. Cann | US | Rocky Hill, NJ | Dec 03, 2015 / 20150344667 - SUPPORTED CATALYST WITH IMPROVED FLOWABILITY | 13 |
59 | Daniel P. Zilker, Jr. | US | Charleston, WV | Jan 26, 2017 / 20170022309 - PRODUCING POLYOLEFIN PRODUCTS | 12 |
60 | Bruno Ameduri | FR | Montpellier | Aug 11, 2022 / 20220251263 - USE OF A VINYLIDENE FLUORIDE COPOLYMER FOR PROVIDING A FILM WITH PROPERTIES OF ADHESION | 12 |
61 | Rainer Kolb | US | Kingwood, TX | Aug 25, 2022 / 20220267580 - Propylene-Alpha-Olefin-Diene Terpolymer Additive for Improving Rubber Tack | 12 |
62 | Gregory S. Day | US | Pasadena, TX | Oct 15, 2015 / 20150291710 - Vinyl Terminated Macromonomers | 12 |
63 | Peijun Jiang | US | League City, TX | Sep 14, 2017 / 20170260378 - Propylene-Based Elastomers for Roofing Compositions and Methods for Preparing the Same | 12 |
64 | Tim Coffy | US | Houston, TX | Feb 16, 2017 / 20170044330 - Polymer Compositions for Injection Stretch Blow Molded Articles | 12 |
65 | Gabriele Mei | IT | Ferrara | Sep 12, 2019 / 20190276566 - PROCESS FOR THE POLYMERIZATION OF OLEFINS | 12 |
66 | Masaki Fushimi | DE | Eschborn | Apr 25, 2013 / 20130102744 - Catalyst Systems for the Polymerization of Olefins | 12 |
67 | Moshe Kol | IL | Ramat Gan | Nov 26, 2015 / 20150337058 - Vinyl Terminated Polyethylene with Long Chain Branching | 12 |
68 | Jun Tian | US | League City, TX | Feb 20, 2014 / 20140051816 - MULTI-COMPONENT CATALYST SYSTEMS FOR THE PRODUCTION OF REACTOR BLENDS OF POLYPROPYLENE | 12 |
69 | Kohtaro Osakada | JP | Yokohama-Shi | Nov 24, 2011 / 20110288250 - Copolymer and Production Process Thereof | 12 |
70 | Daisuke Takeuchi | JP | Yokohama-Shi | Nov 24, 2011 / 20110288250 - Copolymer and Production Process Thereof | 12 |
71 | Bruce Roger Debruin | US | Lexington, SC | Jul 28, 2011 / 20110184130 - POLYESTER PRODUCTION SYSTEM EMPLOYING HORIZONTALLY ELONGATED ESTERIFICATION VESSEL | 12 |
72 | F. David Hussein | US | Cross Lanes, WV | Nov 27, 2014 / 20140350199 - Continuity Additive for Polyolefin Polymerization Processes | 12 |
73 | Nikolai Nesterenko | BE | Nivelles | Dec 02, 2021 / 20210371360 - METHOD FOR SEPARATING NON-LINEAR OLEFINS FROM AN OLEFIN FEED BY REACTIVE DISTILLATION | 11 |
74 | Rainer Karer | DE | Kaiserslautern | Apr 23, 2015 / 20150112038 - METHOD FOR COOLING A GAS-PHASE REACTOR FOR THE POLYMERIZATION OF OLEFINS | 11 |
75 | Joel A. Mutchler | US | Kingwood, TX | Jan 26, 2017 / 20170022299 - POLYETHYLENE PRODUCTION WITH MULTIPLE POLYMERIZATION REACTORS | 11 |
76 | Antonio Mazzucco | IT | Ferrara | Mar 10, 2022 / 20220072499 - METHOD FOR MONITORING AND CONTROLLING A POLYMERIZATION PROCESS | 11 |
77 | Sabine Sirol | BE | Wauthier-Braine | Aug 18, 2011 / 20110201813 - Catalyst Components Based on Ferricinium Complexes Used for Olefin Polymerization | 11 |
78 | William B. Beaulieu | US | Tulsa, OK | Apr 16, 2020 / 20200115533 - Bimodal PE Resins with Improved Melt Strength | 11 |
79 | Main Chang | US | Houston, TX | May 26, 2016 / 20160145358 - INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND METHODS OF MAKING AND USING SAME | 11 |
80 | Ki-Soo Lee | KR | Daejeon | Aug 25, 2022 / 20220267486 - Method for Producing Metallocene-Supported Catalyst and Metallocene-Supported Catalyst | 11 |
81 | Jason T. Poulton | US | Akron, OH | Oct 23, 2014 / 20140316086 - NICKEL-BASED CATALYST COMPOSITION | 11 |
82 | Gabor Kiss | US | Hampton, NJ | Jan 07, 2016 / 20160001276 - Process for Making Alkylated Aromatic Compound | 11 |
83 | Jong-Sok Hahn | KR | Daejeon | Oct 22, 2015 / 20150299353 - Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Homopolymer or Copolymer of Ethylene and alpha-Olefin Using the Same | 11 |
84 | Daniele Evangelisti | IT | Ferrara | Dec 03, 2015 / 20150344594 - MAGNESIUM DICHLORIDE-ALCOHOL ADDUCTS AND CATALYST COMPONENTS OBTAINED THERE-FROM | 10 |
85 | Robert J. Jorgensen | US | Scott Depot, WV | May 26, 2016 / 20160145359 - A POLYETHYLENE COMPOSITION AND PROCESS FOR POLYMERIZING THE SAME | 10 |
86 | Chi-I Kuo | US | Humble, TX | Jan 26, 2017 / 20170022310 - CONTINUITY COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME | 10 |
87 | Choong Hoon Lee | KR | Daejeon | Jul 21, 2022 / 20220227981 - Polypropylene-Based Composite | 10 |
88 | Roger Spitz | FR | Lyon | Jan 26, 2017 / 20170022325 - SILICONE COMPOSITION THAT CAN BE CURED IN THE PRESENCE OF WATER OR ATMOSPHERIC MOISTURE | 10 |
89 | Ming-Hong Hung | US | Wilmington, DE | May 28, 2015 / 20150148493 - CURABLE FLUOROELASTOMER COMPOSITION | 10 |
90 | David Knoeppel | US | League City, TX | Feb 04, 2016 / 20160032029 - CROSSLINKING CONTROL IN HIGH IMPACT POLYSTYRENE MANUFACTURING PROCESS | 10 |
91 | Timothy O. Odi | US | Kingwood, TX | Jun 01, 2017 / 20170152328 - UNIFIED COOLING FOR MULTIPLE POLYOLEFIN POLYMERIZATION REACTORS | 10 |
92 | Gerhardus Meier | DE | Frankfurt | Sep 12, 2019 / 20190276649 - POLYETHYLENE COMPOSITION FOR BLOW MOLDING HAVING HIGH STRESS CRACKING RESISTANCE | 10 |
93 | Ashish M. Sukhadia | US | Bartlesville, OK | Sep 15, 2022 / 20220289880 - PEROXIDE TREATED BLOW MOLDING POLYMERS WITH INCREASED WEIGHT SWELL AND CONSTANT DIE SWELL | 10 |
94 | Yan Jiang | CA | Calgary | Nov 17, 2016 / 20160333120 - MOLDING A BED PLATE AND ITS USE | 10 |
95 | Lauri Huhtanen | FI | Loviisa | Sep 24, 2015 / 20150266979 - CATALYST | 10 |
96 | William Gauthier | US | Houston, TX | Jan 02, 2014 / 20140005035 - Supported Metallocene Catalysts | 10 |
97 | Alessandro Mignogna | IT | Ferrara | Sep 22, 2022 / 20220298343 - HETEROPHASIC PROPYLENE COPOLYMERS | 10 |
98 | Rebecca A. Gonzales | US | Houston, TX | Feb 04, 2021 / 20210032380 - Multiple Reactor and Multiple Zone Polyolefin Polymerization | 10 |
99 | Myungahn Ok | KR | Daejeon | Mar 17, 2016 / 20160075824 - NOVEL COORDINATION COMPLEXES AND PROCESS OF PRODUCING POLYCARBONATE BY COPOLYMERIZATION OF CARBON DIOXIDE AND EPOXIDE USING THE SAME AS CATALYST | 10 |
100 | Heon-Yong Kwon | KR | Daejeon | Nov 17, 2016 / 20160333124 - OLEFIN BASED POLYMER HAVING EXCELLENT PROCESSABILITY (As amended) | 10 |