YH

Yuan-Zhang Han

AT Arco Chemical Technology: 15 patents #21 of 285Top 8%
LT Lyondell Chemical Technology: 2 patents #62 of 123Top 55%
📍 West Chester, PA: #98 of 1,305 inventorsTop 8%
🗺 Pennsylvania: #3,862 of 74,527 inventorsTop 6%
Overall (All Time): #257,519 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9133088 Process for hydroxylating phenolic substrate 2015-09-15
7270742 Organosulfur oxidation process Lawrence J. Karas, David W. Leyshon 2007-09-18
7144499 Desulfurization process David W. Leyshon 2006-12-05
6872679 Heterogeneous catalyst regeneration Kevin M. Carroll 2005-03-29
6770790 Purification of tertiary butyl alcohol Xiangmin Li, Lawrence M. Candela, Andrew P. Kahn 2004-08-03
6383966 Method for making a heterogeneous epoxidation catalyst Edrick Morales, Robert G. Gastinger, Kevin M. Carroll 2002-05-07
6376720 Cobalt-catalyzed process for preparing 1,3-propanediol 2002-04-23
6376724 Cobalt-catalyzed process for preparing 1,3-propanediol 2002-04-23
6323374 Cobalt-catalyzed process for preparing 1,3-propanediol 2001-11-27
6114552 Heterogeneous epoxidation catalyst Edrick Morales, Robert G. Gastinger, Kevin M. Carroll 2000-09-05
6011162 Epoxidation process using improved heterogeneous catalyst composition Kevin M. Carroll, Edrick Morales, Robert G. Gastinger 2000-01-04
5932751 Epoxidation catalyst and process Kevin M. Carroll, Edrick Morales 1999-08-03
5916835 Heterogeneous catalyst regeneration Kevin M. Carroll, Edrick Morales 1999-06-29
5798313 Heterogeneous catalyst regeneration Kevin M. Carroll, Edrick Morales 1998-08-25
5759945 Preparation of titanium-containing catalysts using titanosiloxane polymers Kevin M. Carroll, Edrick Morales 1998-06-02
5319114 Olefin epoxidation using a carbon molecular sieve impregnated with a transition metal Anne Mae Gaffney, Manish K. Nandi, Rangasamy Pitchai 1994-06-07
5276210 Hydroformylation process and bimetallic catalyst therefor Rangasamy Pitchai, Anne Mae Gaffney, Manish K. Nandi 1994-01-04
5233093 Hydroformylation process and bimetallic catalyst therefor Rangasamy Pitchai, Anne Mae Gaffney, Manish K. Nandi 1993-08-03