Richard N. Steppel

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Dayton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Infrared light absorbing aminium and diimmonium compositions
- Patent number 10,215,897
- Issue date Feb 26, 2019
- NOTICXE, INC.
- Paul A. Cahill
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Squarylium dyes
- Patent number 9,090,776
- Issue date Jul 28, 2015
- Exciton, Inc.
- Richard N. Steppel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process of driving a non-polymerization solution-phase photochemica...
- Patent number 6,635,152
- Issue date Oct 21, 2003
- Exciton, Inc.
- Paul A. Cahill
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods...
- Patent number 5,041,238
- Issue date Aug 20, 1991
- Exciton Chemical Company
- Joel M. Kauffman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
O,O'-bridged oligophenylene laser dyes and dyestuff lasers and meth...
- Patent number 5,037,578
- Issue date Aug 6, 1991
- Exciton Chemical Company
- Joel M. Kauffman
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SQUARYLIUM DYES
- Publication number 20140061505
- Publication date Mar 6, 2014
- Exciton, Inc.
- Richard N. Steppel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process of quadricyclane production
- Publication number 20040054244
- Publication date Mar 18, 2004
- Exciton, Inc.
- Paul A. Cahill
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process of quadricyclane production
- Publication number 20040031675
- Publication date Feb 19, 2004
- Exciton, Inc.
- Paul A. Cahill
- C07 - ORGANIC CHEMISTRY