Inventor
Yoon S. Song
Inventor
Richmond, VA, US
Overview
Patents· 7 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%
C10MLubricating compositions26%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions21%
C08LCompositions of macromolecular compounds16%
A61MDevices for introducing media into, or onto, the body5%
C08JWorking-up5%
PatentTitleYear
11,110,235Medication dispenser20217,700,684'Graft functionalized olefin polymer dispersant and uses thereof'20107,253,231'Grafted multi-functional olefin copolymer VI modifiers and uses thereof'20076,013,735'Process for the preparation of acrylate and methacrylate polymers'20004,963,277'Increasing viscosity storage stabiity of Mannich base dispersant/VI-improvers'19904,808,325'Mannich dispersant VI-improver blended with phenolic compound for improved storage stability'19894,663,392'Process for preparation of Mannich reaction products from oxidized polymers'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1990Patents assigned to AMOCO CORP (3)· patent assignee history
1987–1989Based in Lisle, IL, US· patent location history
1990Based in Naperville, IL, US· patent location history
2000Patents assigned to ETHYL CORP (1)· patent assignee history
2000–2010Based in Richmond, VA, US· patent location history
2007–2010Patents assigned to AFTON CHEMICAL CORP (2)· patent assignee history
2021Patents assigned to JABIL CIRCUIT SHANGHAI CO LTD (1)· patent assignee history
2021Patents assigned to JABIL CIRCUIT SHANGHAI LTD (1)· patent assignee history
2021Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMOCO CORP | 3 | 1987–1990 |
| AFTON CHEMICAL CORP | 2 | 2007–2010 |
| ETHYL CORP | 1 | 2000 |
| JABIL CIRCUIT SHANGHAI CO LTD | 1 | 2021 |
| JABIL CIRCUIT SHANGHAI LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Virginia, US | 3 | 2000–2010 |
| Lisle, Illinois, US | 2 | 1987–1989 |
| Shanghai, CN | 1 | 2021 |
| Naperville, Illinois, US | 1 | 1990 |