Inventor
David S. Hays
Inventor
Woodbury, MN, US
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C09JAdhesives12%
C08LCompositions of macromolecular compounds11%
Y10TTechnical subjects covered by former us classification9%
C07DHeterocyclic compounds7%
C07CAcyclic or carbocyclic compounds6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
PatentTitleYear
10,946,399Liquid reservoirs and articles comprising a repellent surface comprising a siloxane material202110,947,348Fluorochemical piperazine carboxamides202110,865,330Segmented silicone polyamide block copolymers and articles containing the same202010,752,810Assembly layer for flexible display202010,662,165Fluorochemical piperazine carboxamides202010,640,614Segmented silicone polyamide block copolymers and articles containing the same202010,603,405Removable film forming gel compositions and methods for their application202010,329,384Silicone-polyether copolymers, adhesives and medical articles comprising same, and methods of making same201910,196,548Oxalate ester--polyamine thermosetting compositions201910,138,367Copolymers of poly(ethylene-co-acrylic acid) and polydiorganosiloxanes20189,617,668'Nonwoven webs and multi-component fibers comprising a polydiorganosiloxane polyamide and methods of melt blowing'20179,567,458'Mixtures of polydiorganosiloxane polyamide-containing components and organic polymers'20179,303,157'Mixtures of polydiorganosiloxane polyamide-containing components and organic polymers'20169,279,035'Copolymers with perfluoropolyether segment and multiple aminooxalylamino groups'20169,187,678'Release films via solventless extrusion processes'20159,145,410'Pyrazolopyridines and analogs thereof'20158,907,046'Copolymers with perfluoropolyether segment and multiple aminooxalylamino groups'20148,907,120'Perfluoropolyether-containing compounds with oxalylamino groups'20148,854,730'Negatively birefringent polyesters and optical films'20148,765,881'Methods of making polydiorganosiloxane polyoxamide copolymers'20148,653,190'Curable cyclic anhydride copolymer/silicone composition'20148,653,216'Branched polydiorganosiloxane polyamide copolymers'20148,614,281'Moisture-curable siloxanes and siloxane polymers'20138,609,787'Moisture-curable siloxane-containing compounds and fluorocarbon-containing compounds and polymers formed therefrom'20138,552,124'Copolymers with perfluoropolyether segment and polydiorganosiloxane segment'20138,431,668'Branched polydiorganosiloxane polyamide copolymers'20138,168,802'Ring closing and related methods and intermediates'20128,158,739'Branched polydiorganosiloxane polyamide copolymers'20128,138,173'Pyrazolo[3,4-C]quinolines, pyrazolo[3,4-C]naphthyridines, analogs thereof, and methods'20128,124,713'Silicone polyoxamide and silicone polyoxamide-hydrazide copolymers'20128,063,164'Diacetylenic materials for sensing applications'20118,013,098'Branched polydiorganosiloxane polyamide copolymers'20117,981,995'Silicone polyoxamide and silicone polyoxamide-hydrazide copolymers'20117,943,610'Pyrazolopyridine-1,4-diamines and analogs thereof'20117,943,636'1-substituted pyrazolo (3,4-C) ring compounds as modulators of cytokine biosynthesis for the treatment of viral infections and neoplastic diseases'20117,915,370'Branched polydiorganosiloxane polyamide copolymers'20117,879,849'Pyrazolopyridines and analogs thereof'20117,816,473'Diacetylenic materials for sensing applications'20107,705,101'Branched polydiorganosiloxane polyamide copolymers'20107,598,382'Aryl substituted imidazoquinolines'20097,544,697'Pyrazolopyridines and analogs thereof'20097,364,918'Colorimetric sensors constructed of diacetylene materials'20087,091,214'Aryl substituted Imidazoquinolines'20066,963,007'Diacetylenic materials for sensing applications'20055,358,820'Thermally assisted transfer process for transferring electrostatographic toner particles to a thermoplastic bearing receiver'19945,334,477'Thermally assisted transfer process'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Based in Newark, OH, US· patent location history
2005–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (42)· patent assignee history
2005–2021Based in Woodbury, MN, US· patent location history
2011–2017Patents assigned to HAYS DAVID S (16)· patent assignee history
2012–2014Patents assigned to HANSEN RICHARD G (9)· patent assignee history
2012–2014Patents assigned to JOHNSON STEPHEN A (4)· patent assignee history
2013–2014Patents assigned to KUMAR RAMESH C (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 42 | 2005–2021 |
| HAYS DAVID Sself | 16 | 2011–2017 |
| HANSEN RICHARD G | 9 | 2012–2014 |
| KUMAR RAMESH C | 5 | 2013–2014 |
| JOHNSON STEPHEN A | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Woodbury, Minnesota, US | 44 | 2005–2021 |
| Newark, OH, US | 2 | 1994 |