Inventor
John E. Trend
Inventor
St. Paul, MN, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
C07CAcyclic or carbocyclic compounds8%
C07DHeterocyclic compounds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
C09JAdhesives6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C08JWorking-up4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
PatentTitleYear
8,647,884'Organic chemical sensor with microporous organosilicate material'20148,409,511'Organic chemical sensor with microporous organisilicate material'20138,293,340'Plasma deposited microporous analyte detection layer'20128,067,110'Organic vapor sorbent protective device with thin-film indicator'20117,906,223'Permeable nanoparticle reflector'20117,901,776'Plasma deposited microporous carbon material'20117,556,774'Optochemical sensor and method of making the same'20095,958,782'Cation-sensing composite structure and compounds for use therein'19995,474,743'Cation-sensing composite structure and compounds for use therein'19955,256,784'Nonlineaphores and polymers incorporating such nonlineaphores'19934,980,096'Photolabile blocked surfactants'19904,941,996'Inclusion complexes providing second harmonic generation'19904,929,392'Inclusion complexes providing second harmonic generation'19904,740,600'Photolabile blocked surfactants and compositions containing the same'19884,599,273'Photolabile blocked surfactants and compositions containing the same'19864,478,967'Photolabile blocked surfactants and compositions containing the same'19844,467,022'Imaging process and article employing photolabile, blocked surfactant'19844,369,244'Imaging process and article employing photolabile, blocked surfactant'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1999Patents assigned to MINNESOTA MINING & MFG (11)· patent assignee history
1983–2014Based in St. Paul, MN, US· patent location history
2009–2014Patents assigned to 3M INNOVATIVE PROPERTIES CO (7)· patent assignee history
2011–2014Patents assigned to RAKOW NEAL A (4)· patent assignee history
2011–2014Patents assigned to TREND JOHN E (4)· patent assignee history
2011–2012Patents assigned to DAVID MOSES M (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 11 | 1983–1999 |
| 3M INNOVATIVE PROPERTIES CO | 7 | 2009–2014 |
| RAKOW NEAL A | 4 | 2011–2014 |
| TREND JOHN Eself | 4 | 2011–2014 |
| DAVID MOSES M | 2 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 18 | 1983–2014 |