Inventor
Robert S. Davidson
Inventor
Leicester, GB
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B82YSpecific uses or applications of nanostructures5%
C01GCompounds containing metals not covered by subclasses c01d or c01f5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
Y10TTechnical subjects covered by former us classification5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
PatentTitleYear
9,382,433'Ketocoumarins as photoinitiators and photosensitizers in printing inks and coatings'20168,952,190'Synergists'20158,901,588'LED devices having lenses and methods of making same'20148,808,549'Method of making zirconia-containing nanoparticles'20148,785,515'Sensitizer for cationic photoinitiators'20148,647,510'Method of making zirconia-containing nanoparticles'20148,330,176'LED devices having lenses and methods of making same'20127,674,523'Zirconia particles'20107,671,081'Multifunctional cationic photoinitiators, their preparation and use'20107,612,122'Piperazino based photoinitiators'20097,598,401'Multifunctional cationic photoinitiators, their preparation and use'20097,514,263'Continuous process for the production of combinatorial libraries of materials'20097,452,921'Piperazine-based sensitisers'20087,429,422'Zirconia particles'20087,335,782'Thioxanthone derivatives, and their use as cationic photoinitiators'20087,294,723'Multifunctional cationic photoinitiators, their preparation and use'20077,241,437'Zirconia particles'20077,166,647'Multi-functional photoinitiators'20077,101,998'Fused ring compounds, and their use as cationic photoinitiators'20066,869,501'Continuous process for controlled concentration of colloidal solutions'20056,296,986'Photoinitiator'20016,160,086'Process for removing impurities from polymers'20005,905,164'Polyalkylene polyol esters of dialkylaminobenzoic acid and their use in photoinitiated curing processes'19995,902,654'Process for the packaged polymerization of olefinic monomers'19995,811,526'Binding assay and assay reagent'19985,644,007'Continuous process for the production of poly(1-alkenes)'19975,585,279'Time-resolved luminescence binding assays using a fluorescent transition metal label other than ruthenium'19965,380,650'Enhanced luminescent assay'19955,116,876'Photopolymerization processes with separation of initiator layer from resin layer'19925,043,266'Ortho- and para-imidazolyl and benzimidazolyl substituted phenol as enhancers for diagnostic chemiluminescent assays'19914,305,794'Photochemical electrode'19814,282,159'Preparation of alkylene oxides'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1992Patents assigned to NAT RES DEV (3)· patent assignee history
1981–2016Based in Leicester, GB· patent location history
1992–2007Based in London, GB· patent location history
1997–2010Based in Edina, MN, US· patent location history
1999Based in Canterbury, GB· patent location history
2000–2014Patents assigned to 3M INNOVATIVE PROPERTIES CO (10)· patent assignee history
2006–2016Patents assigned to SUN CHEMICAL CORP (9)· patent assignee history
2012–2014Patents assigned to DAVIDSON ROBERT S (2)· patent assignee history
2012–2014Based in Bloomington, MN, US· patent location history
2014–2015Patents assigned to DAVIDSON ROBERT STEPHEN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 10 | 2000–2014 |
| SUN CHEMICAL CORP | 9 | 2006–2016 |
| NAT RES DEV | 3 | 1981–1992 |
| DAVIDSON ROBERT Sself | 2 | 2012–2014 |
| DAVIDSON ROBERT STEPHENself | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leicester, GB | 16 | 1981–2016 |
| Edina, Minnesota, US | 8 | 1997–2010 |
| Bloomington, Minnesota, US | 4 | 2012–2014 |
| London, GB | 2 | 1992–2007 |
| Canterbury, GB | 1 | 1999 |