Thomas S. Zak

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Propylene and isoprene production
- Patent number 7,816,572
- Issue date Oct 19, 2010
- Lyondell Chemical Technology, L.P.
- David W. Leyshon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diisobutylene process
- Patent number 7,414,164
- Issue date Aug 19, 2008
- Lyondell Chemical Technology, L.P.
- Thomas S. Zak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for hydrogenating aqueous aldehyde mixtures
- Patent number 5,874,652
- Issue date Feb 23, 1999
- ARCO Chemical Technology, L.P.
- Rangasamy Pitchai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol separation
- Patent number 5,538,599
- Issue date Jul 23, 1996
- ARCO Chemical Technology, L.P.
- Tim T. Wong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of tertiary butyl hydroperoxide
- Patent number 5,475,147
- Issue date Dec 12, 1995
- ARCO Chemical Technology, L.P.
- Thomas S. Zak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of group VIII transition metals from organic solutions usi...
- Patent number 5,208,194
- Issue date May 4, 1993
- Arco Chemical Technology, L.P.
- Rangasamy Pitchai
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROPYLENE PRODUCTION PROCESS WITH HEAVIES RECYCLE
- Publication number 20140121429
- Publication date May 1, 2014
- Lyondell Chemical Technology, L.P.
- Steven T. Coleman
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diisobutylene process
- Publication number 20100145122
- Publication date Jun 10, 2010
- Thomas S. Zak
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Propylene and isoprene production
- Publication number 20090043144
- Publication date Feb 12, 2009
- David W. Leyshon
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Selective olefin oligomerization
- Publication number 20070083069
- Publication date Apr 12, 2007
- Lawrence M. Candela
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diisobutylene production
- Publication number 20070043247
- Publication date Feb 22, 2007
- Kenneth M. Webber
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diisobutylene process
- Publication number 20060241326
- Publication date Oct 26, 2006
- Thomas S. Zak
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diisobutylene process
- Publication number 20060111598
- Publication date May 25, 2006
- Shaw-Chan Lin
- C07 - ORGANIC CHEMISTRY