Malcolm G. Pettigrew

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Separating olefin streams
- Patent number 8,338,656
- Issue date Dec 25, 2012
- Lummus Technology Inc.
- David Ritchie Lumgair
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quench process
- Patent number 7,273,961
- Issue date Sep 25, 2007
- ExxonMobil Chemical Patents Inc.
- Malcolm G. Pettigrew
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heat recovery from the effluent stream of an oxygenate-to-olefin pr...
- Patent number 7,271,306
- Issue date Sep 18, 2007
- ExxonMobil Chemical Patents Inc.
- Malcolm G. Pettigrew
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SEPARATING OLEFIN STREAMS
- Publication number 20100292521
- Publication date Nov 18, 2010
- Lummus Technology Inc.
- David Ritchie Lumgair
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Quench process
- Publication number 20040152939
- Publication date Aug 5, 2004
- Malcolm G. Pettigrew
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Heat recovery from the effluent stream of an oxygenate-to-olefin pr...
- Publication number 20040152936
- Publication date Aug 5, 2004
- Malcolm G. Pettigrew
- C07 - ORGANIC CHEMISTRY