Charles John Rostek

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Chagrin Falls, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines,...
- Patent number 7,718,722
- Issue date May 18, 2010
- Flexsys America L. P.
- Otto William Maender
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymetic hindered amine light stabilizers
- Patent number 4,895,901
- Issue date Jan 23, 1990
- Ferro Corporation
- Chester E. Ramey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric hindered amine light stabilizers
- Patent number 4,804,717
- Issue date Feb 14, 1989
- Ferro Corporation
- Chester E. Ramey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cyclic ether or carbonate alkylation products of 2,2,5,5-tetramethy...
- Patent number 4,448,969
- Issue date May 15, 1984
- Ferro Corporation
- Chester E. Ramey
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines,...
- Publication number 20040006162
- Publication date Jan 8, 2004
- Otto William Maender
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Alkylthio-and aryl(heteroyl)thio-substituted p-phenylenediamines, t...
- Publication number 20020132888
- Publication date Sep 19, 2002
- Otto William Maender
- C07 - ORGANIC CHEMISTRY
Information Patent Application
2-Thio-5-amino substituted benzoquinones, their manufacture and the...
- Publication number 20020128499
- Publication date Sep 12, 2002
- Otto William Maender
- C07 - ORGANIC CHEMISTRY