Inventor
David R. Fenn
Inventor
Allison Park, PA, US
Overview
Patents· 40 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08LCompositions of macromolecular compounds9%
Y10TTechnical subjects covered by former us classification7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
B05DProcesses for applying fluent materials to surfaces, in general4%
C08JWorking-up4%
B29CShaping or joining of plastics4%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering4%
PatentTitleYear
11,078,376Polyurethane coating compositions containing 1,1-di-activated vinyl compounds and related coatings and processes202111,028,279Coreactive materials and methods for three-dimensional printing202110,982,105Methods for reactive three-dimensional printing by extrusion202110,864,673Additive manufacturing using polyurea materials202010,759,959Waterborne compositions and compact processes of forming multi-component composite coating compositions on substrates202010,434,704Additive manufacturing using polyurea materials201910,253,195Coreactive materials and methods for three-dimensional printing201910,023,761Coatings for plastic substrates20189,752,025'Polymerizable compositions and optical articles prepared therefrom'20179,650,480'Curable film-forming compositions containing encapsulated catalyst components'20179,650,540'Radiation curable coating compositions comprising a lactide reaction product'20179,546,296'Coating compositions, coatings and methods for sound and vibration damping and water resistance'20179,434,828'Non-aqueous dispersions comprising a nonlinear acrylic stabilizer'20169,040,621'Aqueous dispersions of microgel encapsulated particles utilizing hyperbranched acrylic polymers'20159,018,327'Catalyst compositions and methods of preparing them'20158,877,848'Aqueous vibration damping compositions'20148,614,286'Biomass derived radiation curable liquid coatings'20138,497,359'Cationic electrodepositable coating composition comprising lignin'20138,076,001'Crosslinked coatings comprising lactide'20118,057,592'Cationic electrodepositable coatings comprising rosin'20118,039,551'Modified epoxy resins comprising the reaction product of rosin and a linking molecule and aqueous dispersions and coatings comprising such resins'20117,868,066'Aqueous dispersions and coatings comprising modified epoxy resins comprising the reaction product of rosin and a dienophile'20117,812,101'Modified epoxy resins comprising the reaction product of a biomass derived compound and an epoxy resin, and aqueous dispersions and coatings comprising such resins'20107,776,960'Epoxy functional polymers comprising the reaction product of terpene and an epoxy functional monomer and coatings comprising such polymers'20107,670,500'Reaction product of polyamine, acyclic carbonate and cyclic carbonate'20107,608,676'Coatings comprising the reaction product of a terpene, an acrylic monomer and a phenolic compound'20097,576,160'Electrocoat composition imparting sweat resistance and methods for using the same'20097,459,504'Reaction product of polyamine and acyclic carbonate'20087,368,499'Aqueous acrylic coating composition'20087,288,584'Mixing scheme and process for the preparation of a refinish coating composition'20076,838,177'Process for priming a surface and article'20056,806,314'Coating of Hydroxy-functional polymer(s), crosslinker, and 1,3- and 1,4-cyclohexane dimethanols'20046,518,388'Coating composition'20036,482,474'Coating composition'20026,297,311'Aqueous coating composition'20015,977,246'Coating composition'19995,820,925'Coating process'19985,541,268'Coating composition'19965,514,755'Coating compositions comprising isobornyl methacrylate and 4-hydroxybutyl acrylate'19965,432,246'Silane functional oligomer'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1999Patents assigned to ICI PLC (5)· patent assignee history
1995Based in Reading, GB· patent location history
1996–2003Based in Burnham, GB· patent location history
2001–2021Patents assigned to PPG IND OHIO INC (35)· patent assignee history
2002Based in Buckinghamshire, GB· patent location history
2004–2021Based in Allison Park, PA, US· patent location history
2011–2016Patents assigned to FENN DAVID (3)· patent assignee history
2011–2017Patents assigned to FENN DAVID R (3)· patent assignee history
2013–2017Patents assigned to CHENG SHAN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PPG IND OHIO INC | 35 | 2001–2021 |
| ICI PLC | 5 | 1995–1999 |
| FENN DAVIDself | 3 | 2011–2016 |
| FENN DAVID Rself | 3 | 2011–2017 |
| CHENG SHAN | 2 | 2013–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allison Park, Pennsylvania, US | 32 | 2004–2021 |
| Burnham, GB | 6 | 1996–2003 |
| Buckinghamshire, GB | 1 | 2002 |
| Reading, GB | 1 | 1995 |