Inventor
Charles J. Rostek, Jr.
Inventor
Chagrin Falls, OH, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients44%
C07DHeterocyclic compounds33%
C07CAcyclic or carbocyclic compounds11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
PatentTitleYear
7,718,722'Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufacture and their use in rubber'20105,374,689'Rubber compositions containing 2-pyrazine sulfenamides'19945,260,454'Bis-pyrimidyl thiol sulfenimide compounds'19935,189,174'Heterocyclic thiol-based sulfenimide compounds'19935,079,305'Rubber compositions comprising sulfenimide accelerators'19924,895,901'Polymetic hindered amine light stabilizers'19904,804,717'Polymeric hindered amine light stabilizers'19894,448,969'Cyclic ether or carbonate alkylation products of 2,2,5,5-tetramethylimidazolidin-4-one and derivatives, their preparation, and their use as stabilizers for _synthetic polymers'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1990Patents assigned to FERRO CORP (3)· patent assignee history
1984–2010Based in Chagrin Falls, OH, US· patent location history
1992–1994Patents assigned to MONSANTO CO (4)· patent assignee history
1992–1994Based in Bentleyville, OH, US· patent location history
2010Patents assigned to FLEXSYS AMERICA LP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MONSANTO CO | 4 | 1992–1994 |
| FERRO CORP | 3 | 1984–1990 |
| FLEXSYS AMERICA LP | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chagrin Falls, OH, US | 4 | 1984–2010 |
| Bentleyville, OH, US | 4 | 1992–1994 |