Inventor
David M. Roggeman
Inventor
North Royalton, OH, US
Overview
Patents· 28 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 bonds25%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C08CTreatment or chemical modification of rubbers11%
C08LCompositions of macromolecular compounds11%
B60CVehicle tyres10%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%
Y02TClimate change mitigation technologies related to transportation8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
11,104,748Processes for preparing aminosilane functionalized polymers202110,815,328Functional initiator for anionic polymerization202010,745,497Aminosilane initiators and functionalized polymers prepared therefrom202010,618,994Functional initiator for anionic polymerization202010,351,636Processes for preparing aminosilane functionalized polymers20199,884,923'Aminosilane initiators and functionalized polymers prepared therefrom'20189,868,805'Polydienes and diene copolymers having organophosphine functionality'20189,676,874'Processes for preparing aminosilane functionalized polymers'20179,422,379'Nickel-based catalyst composition'20169,365,660'Anionic polymerization initiators and processes'20169,255,158'Aminosilane initiators, functionalized polymers prepared therefrom and related processes'20169,163,104'Preparation of functional polymers using phosphide initiators'20158,916,665'Aminosilane initiators and functionalized polymers prepared therefrom'20148,372,925'Nickel-based catalyst composition'20137,442,748'Continuous polymerization reactor'20087,132,503'Removing gelled unsaturated elastomers from polymerization equipment associated with their production'20066,897,270'Continuous process for the production of conjugated diene polymers having narrow molecular weight distribution and products therefrom'20056,723,888'Humidification of hydrocarbon mixtures for use in polymer synthesis'20046,313,232'Continuous addition of tin halides to solution SBR'20015,891,947'In-situ anionic continuous dispersion polymerization process'19995,659,056'Stabilization of siloxane terminated polymers'19975,614,579'Process for the preparation of tapered copolymers via in situ dispersion'19975,489,660'Copolymers of conjugated dienes and aromatic vinyl compounds prepared by continuous process'19965,272,207'Process for continuously producing cyclicly tapered SBR-type copolymers'19935,231,152'Continuous process for preparing copolymers of conjugated dienes and aromatic vinyl compounds'19935,096,943'Method for incorporating metal salts of .alpha.,.beta.-ethylenically unsaturated carboxylic acids in polymers'19924,616,048'Solution compounding process for achieving uniform, fine particle size dispersion of curing agents'19864,501,866'Continuous method for preparing high cis-1,4 polybutadiene'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1986Patents assigned to FIRESTONE TIRE & RUBBER CO (2)· patent assignee history
1985Based in Akron, OH, US· patent location history
1986–2021Based in North Royalton, OH, US· patent location history
1992–2021Patents assigned to BRIDGESTONE CORP (26)· patent assignee history
2013–2018Patents assigned to ROGGEMAN DAVID M (5)· patent assignee history
2014–2018Patents assigned to HOGAN TERRENCE E (3)· patent assignee history
2014–2018Patents assigned to LAWSON DAVID F (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE CORP | 26 | 1992–2021 |
| ROGGEMAN DAVID Mself | 5 | 2013–2018 |
| HOGAN TERRENCE E | 3 | 2014–2018 |
| FIRESTONE TIRE & RUBBER CO | 2 | 1985–1986 |
| LAWSON DAVID F | 2 | 2014–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Royalton, OH, US | 27 | 1986–2021 |
| Akron, OH, US | 1 | 1985 |