YC

Yun-Feng Chang

EX ExxonMobil: 38 patents #200 of 10,161Top 2%
AG Abb Lummus Global: 5 patents #13 of 152Top 9%
Ford: 3 patents #4,965 of 17,473Top 30%
LT Lummus Technology: 1 patents #178 of 280Top 65%
📍 Plymouth, MI: #14 of 1,052 inventorsTop 2%
🗺 Michigan: #1,015 of 86,293 inventorsTop 2%
Overall (All Time): #61,107 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
8524967 Monoalkylated aromatic compound production Michael C. Clark, Frederick Y. Lo, Christine N. Elia 2013-09-03
8357830 Monoalkylated aromatic compound production Michael C. Clark, Christine N. Elia, Frederick Y. Lo 2013-01-22
8247629 Monoalkylated aromatic compound production Michael C. Clark, Christine N. Elia, Frederick Y. Lo 2012-08-21
7947621 Method of making and process for using molecular sieve catalyst Machteld M. Mertens, Stephen N. Vaughn 2011-05-24
7914760 Crystalline intergrowth material of silicoaluminophosphate having two intergrown phases Machteld M. Mertens, An Verberckmoes, Marcel Janssen, Luc R. M. Martens, Stephen N. Vaughn +2 more 2011-03-29
7816575 Removal of catalyst fines from a reaction system James H. Beech, Jr., Michael Nicoletti 2010-10-19
7772337 Method of formulating a molecular sieve catalyst composition by controlling component addition Stephen N. Vaughn 2010-08-10
7767871 Method of recovering crystalline material and compositions therefrom Daria N. Lissy 2010-08-03
7741528 Method of separating condensed liquid from an olefin stream Patricia A. O'Neill-Burn, Julia E. Steinheider, Kenneth R. Clem, Thomas H. Colle, Gerald G. McGlamery, Jr. 2010-06-22
7737316 Method of flocculation and formulation of crystalline materials Daria N. Lissy 2010-06-15
7732537 Methods addressing aging in flocculated molecular sieve catalysts for hydrocarbon conversion processes Luc R. M. Martens, Machteld M. Mertens, Stephen N. Vaughn 2010-06-08
7622624 Crystalline intergrowth material, its synthesis and its use in the conversion of oxygenates to olefins Machteld M. Mertens, An Verberckmoes, Marcel Janssen, Luc R. M. Martens, Stephen N. Vaughn +2 more 2009-11-24
7563358 Process for the production of benzene, toluene, and xylenes Elizabeth L. Stavens, Stephen H. Brown, J. Scott Buchanan, Larry L. Iaccino, Paul F. Keusenkothen +2 more 2009-07-21
7557256 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Kenneth R. Clem, Luc R. M. Martens, Weiguo Hu 2009-07-07
7541508 Molecular sieve catalyst composition, its making and use in conversion processes Stephen Vaughn, Luc Martens, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer 2009-06-02
7518026 Catalyst and process for the conversion of oxygenates to olefins Machteld M. Mertens, Marcel Janssen, Stephen N. Vaughn 2009-04-14
7511184 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Kenneth R. Clem 2009-03-31
7510644 Zeolites and molecular sieves and the use thereof Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh, Lawrence L. Murrell, Philip J. Angevine +1 more 2009-03-31
7501375 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Kenneth R. Clem, Luc R. M. Martens, Weiguo Hu 2009-03-10
7456330 Molecular sieve catalyst composition, its making and use in conversion processes 2008-11-25
7453020 Molecular sieve catalyst composition, its making and use in conversion processes Luc R. M. Martens, Stephen N. Vaughn 2008-11-18
7449611 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn 2008-11-11
7384887 Attrition resistant molecular sieve catalysts Stephen N. Vaughn, Luc R. M. Martens, Kenneth R. Clem 2008-06-10
7358412 Method of making molecular sieve catalyst Stephen N. Vaughn, Jeffery W. Sprinkle, Fran A. Shipley, Kenneth R. Clem 2008-04-15
7329625 Attrition resistant molecular sieve catalyst 2008-02-12