Inventor
Howell K. Smith, II
Inventor
Grant, MN, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds26%
C07CAcyclic or carbocyclic compounds23%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
A61KPreparations for medical, dental or toiletry purposes6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A41BShirts3%
A41DOuterwear3%
C07DHeterocyclic compounds3%
C08JWorking-up3%
C08LCompositions of macromolecular compounds3%
PatentTitleYear
6,245,922'Chromophoric photocrosslinking compound'20015,747,626'Silyl terminated sulfopoly(ester-urethane pavement marking compositions'19985,506,279'Acrylamido functional disubstituted acetyl aryl ketone photoinitiators'1996RE034652'Fluorinated, acrylamide-functional monomers'1994RE034348'Fluorinated polymers derived from acrylamide-functional monomers'19935,045,615'Fluorinated polymers derived from acrylamide-functional monomers'19914,931,582'Fluorinated, acrylamide-functional monomers'1990RE032952'Method of preparing N-acryloyl-.alpha.-amino acids'19894,785,070'Imidazolinone-containing copolymer'19884,694,103'Method of preparing N-acryloyl-.alpha.-amino acids'19874,667,012'Imidazolinone-containing polymer and copolymer'19874,008,350'Visco-elastic material comprising a polymeric foam impregnated with an acrylic resin'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1998Patents assigned to MINNESOTA MINING & MFG (9)· patent assignee history
1977–2001Based in Grant, MN, US· patent location history
1987–1989Based in Lauderdale, MN, US· patent location history
1988–1990Based in St. Paul, MN, US· patent location history
2001Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 9 | 1977–1998 |
| 3M INNOVATIVE PROPERTIES CO | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grant, Minnesota, US | 7 | 1977–2001 |
| Lauderdale, Minnesota, US | 3 | 1987–1989 |
| St. Paul, Minnesota, US | 2 | 1988–1990 |