Inventor
Zengquan Qin
Inventor
Copley, OH, US
Overview
Patents· 53 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 bonds26%
C08LCompositions of macromolecular compounds16%
C08CTreatment or chemical modification of rubbers12%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
B60CVehicle tyres5%
Y02PClimate change mitigation technologies in the production or processing of goods3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C07DHeterocyclic compounds2%
PatentTitleYear
11,124,591Ethylene interpolymer202111,124,589Polymerization catalyst composition and method of employing same202111,117,987Hydroxyaryl functionalized polymers202111,059,920Process for producing high cis-1,4-polydiene with lanthanide-based catalyst compositions202110,730,985Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymer202010,640,589Polybutadiene polymers and rubber compositions incorporating same for low temperature applications202010,457,765Metallic complex catalyst, polymerization methods employing same and polymer products thereof201910,392,497Rubber compositions including siliceous fillers201910,370,475Elastomeric compounds having increased cold flow resistance and methods producing the same201910,227,425Hydroxyaryl functionalized polymers201910,202,474Process for producing polydienes201910,066,035Catalyst systems and methods for preparation of 1,4-polybutadiene rubber201810,017,595Metallic complex catalyst and polymerization methods employing same201810,017,593Functionalized polymer20189,926,400'Method of making hydroxyaryl-functionalized interpolymer by free radical initiated polymerization'20189,868,801'Processes for the preparation of high-cis polydienes'20189,868,850'Rubber compositions including siliceous fillers'20189,803,032'Processes for the preparation of high-cis polydienes'20179,738,733'Polymers incorporating hydroxyl group-containing methylstyrene'20179,683,077'Copolymerization of propylene oxide and carbon dioxide without production of propylene carbonate'20179,650,456'Process for producing polydienes'20179,556,297'Functionalized polymer'20179,469,658'Lanthanide complex catalyst and polymerization method employing same'20169,469,661'Hydroxyl group-containing methylstyrene and polymers incorporating same'20169,422,379'Nickel-based catalyst composition'20169,416,205'Organometallic complex catalyst and polymerization method employing same'20169,403,848'Organometallic catalyst complex and polymerization method employing same'20169,376,508'Polymers and use thereof in preparation of high impact polymeric compositions'20169,371,434'Elastomeric compounds having increased cold flow resistance and methods producing the same'20169,365,660'Anionic polymerization initiators and processes'20169,353,205'Processes for the preparation of high-cis polydienes'20169,273,165'Lanthanide complex catalyst and polymerization method employing same'20169,228,037'Bulk polymerization process for producing polydienes'20169,150,671'Metal complex catalysts and polymerization methods employing same'20159,056,928'Processes for preparation of cyclic and acyclic diene copolymer and rubber composition'20159,051,455'Hydroxyl group-containing methylstyrene and polymers incorporating same'20159,000,107'Process for producing polydienes'20158,993,683'Polymers functionalized with lactones or thiolactones containing a protected amino group'20158,946,355'Hydroxyaryl functionalized polymers'20158,871,871'Hydroxyaryl functionalized polymers'20148,765,888'Polymers functionalized with hydroxyl group-containing diphenylethylene'20148,701,728'Processes for preparation of cyclic and acyclic diene copolymer and rubber composition'20148,664,343'Catalysts for preparing cis 1,4-polydienes'20148,637,600'Processing of rubber compositions including siliceous fillers'20148,440,755'Method of making hydroxyaryl-functionalized interpolymer'20138,372,925'Nickel-based catalyst composition'20138,278,239'Polycarbonates made using highly selective catalysts'20128,158,700'Method of improving affinity between filler and polymers having a low degree of unsaturation'20128,093,351'Copolymerization of propylene oxide and carbon dioxide and homopolymerization of propylene oxide'20127,820,580'Nickel-based catalysts for preparing high cis 1,4-polydienes'20107,723,256'Polycarbonates made using highly selective catalysts'20107,674,873'Polycarbonates made using highly selective catalysts'20107,304,172'Polycarbonates made using highly selective catalysts'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2017Patents assigned to CORNELL RES FOUNDATION INC (6)· patent assignee history
2007–2021Based in Copley, OH, US· patent location history
2010–2021Patents assigned to BRIDGESTONE CORP (46)· patent assignee history
2012–2018Patents assigned to QIN ZENGQUAN (25)· patent assignee history
2012–2018Patents assigned to YAN YUAN-YONG (12)· patent assignee history
2013–2018Patents assigned to PAN XIAO-DONG (11)· patent assignee history
2020–2021Based in Nashville, TN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE CORP | 46 | 2010–2021 |
| QIN ZENGQUANself | 25 | 2012–2018 |
| YAN YUAN-YONG | 12 | 2012–2018 |
| PAN XIAO-DONG | 11 | 2013–2018 |
| CORNELL RES FOUNDATION INC | 6 | 2007–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Copley, OH, US | 48 | 2007–2021 |
| Nashville, TN, US | 5 | 2020–2021 |