Dennis A. Keeley

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Beaverton, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Strong acid catalyst composition
- Patent number 9,968,920
- Issue date May 15, 2018
- Rohm & Haas Company
- Daryl J. Gisch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Amination of vinyl aromatic polymers with tertiary amines
- Patent number 8,273,799
- Issue date Sep 25, 2012
- Dow Global Technologies LLC
- William I. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
STRONG ACID CATALYST COMPOSITION
- Publication number 20150011383
- Publication date Jan 8, 2015
- Rohm and Haas Company
- Daryl J. Gisch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING A STRONG ACID CATALYST
- Publication number 20150005155
- Publication date Jan 1, 2015
- Rohm and Haas Company
- Daryl J. Gisch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AMINATION OF VINYL AROMATIC POLYMERS WITH TERTIARY AMINES
- Publication number 20100210743
- Publication date Aug 19, 2010
- William I. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...