Inventor
Roger A. Mader
Inventor
Stillwater, MN, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
G03CPhotosensitive materials for photographic purposes13%
C07CAcyclic or carbocyclic compounds12%
Y10TTechnical subjects covered by former us classification11%
C07DHeterocyclic compounds7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
B41MPrinting, duplicating, marking, or copying processes4%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
7,939,580'Dental composition containing epoxy functional polymerizable compounds'20117,659,351'Water- and oil-repellent fluoroacrylates'20107,491,441'High refractive index, durable hard coats'20097,297,810'High refractive index monomers for optical applications'20077,199,197'Water- and oil-repellent fluoroacrylates'20076,652,970'Degradable crosslinkers, compositions therefrom, and methods of their preparation and use'20036,620,907'Process for the elimination of materials containing hydrolyzable halides and other high molecular weight materials from epihalohydrin derived epoxy resins'20036,528,169'No-flow flux adhesive compositions'20036,255,507'Process for preparing cyclopentadienyliron (II) arene complex'20015,663,042'Developing agents for (photo) thermographic systems'19975,625,062'Method of making soluble squaraine dyes'19975,512,185'Purification of stable organic compounds'19965,443,742'Purification of stable organic compounds'19955,424,183'Ballasted leuco dyes and photothermographic element containing same'19955,395,747'Stabilized thermal-dye-bleach constructions'19955,386,058'Method of producing polymethine dyes'19955,384,237'Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents'19955,340,712'Antifoggants for photothermographic articles'19945,326,847'Hindered phenolic antioxidant; antioxidant containing hydrophilic urethane polymer; dry cleaning solvent resistant, waterproof, moisture-vapor permeable material containing the polymer; and method of making the same'19945,324,627'Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents'19945,314,795'Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent'19945,284,759'Biological production of acetal or ketal substituted benzene compounds'19945,173,300'Hindered phenolic antioxidant containing hydrophilic urethane polymer; dry cleaning solvent resistant, waterproof, moisture-vapor permeable material containing the polymer; and method of making the same'19925,124,308'Monosubstituted dithiooxamide compounds and their use'19925,041,654'Preparation of monosubstituted dithiooxamide compounds'19914,795,697'Stabilization of ketazine dyes'19894,782,010'Photohermographic emulsions having stable color forming developers'19884,775,754'Preparation of leuco dyes'19884,622,395'Phenoxazine and phenothiazine dyes and leuco forms thereof'19864,024,106'2,4-Dihydroxy-4-pentadecyl benzophenone and compositions containing the same'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1997Patents assigned to MINNESOTA MINING & MFG (20)· patent assignee history
1977–2011Based in Stillwater, MN, US· patent location history
1988–1994Based in St. Paul, MN, US· patent location history
1992Patents assigned to ALBIN LOREN D (1)· patent assignee history
1992Patents assigned to BOSTON DAVID R (1)· patent assignee history
1992Patents assigned to BUSCH DARYLE H (1)· patent assignee history
1997Based in Lake Elmo, MN, US· patent location history
2001–2011Patents assigned to 3M INNOVATIVE PROPERTIES CO (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 20 | 1977–1997 |
| 3M INNOVATIVE PROPERTIES CO | 9 | 2001–2011 |
| ALBIN LOREN D | 1 | 1992 |
| BOSTON DAVID R | 1 | 1992 |
| BUSCH DARYLE H | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stillwater, Minnesota, US | 26 | 1977–2011 |
| St. Paul, Minnesota, US | 3 | 1988–1994 |
| Lake Elmo, Minnesota, US | 1 | 1997 |