Inventor
Bethanne L. Smith
Inventor
Freeland, MI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation25%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%
C01BNon-metallic elements19%
C08LCompositions of macromolecular compounds19%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
5,837,032'Gas separations utilizing glassy polymer membranes at sub-ambient temperatures'19985,679,133'Gas separations utilizing glassy polymer membranes at sub-ambient temperatures'19975,650,479'Interfacially polymerized polyester films'19975,352,272'Gas separations utilizing glassy polymer membranes at sub-ambient temperatures'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1997Patents assigned to DOW CHEMICAL CO (2)· patent assignee history
1994–1998Based in Freeland, MI, US· patent location history
1997–1998Patents assigned to CYNARA CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CYNARA CO | 2 | 1997–1998 |
| DOW CHEMICAL CO | 2 | 1994–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Freeland, MI, US | 4 | 1994–1998 |