MR

Mitchell D. Refvik

Chevron: 33 patents #85 of 4,788Top 2%
PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
AG Agrium: 1 patents #10 of 17Top 60%
📍 Bartlesville, OK: #38 of 1,143 inventorsTop 4%
🗺 Oklahoma: #148 of 12,736 inventorsTop 2%
Overall (All Time): #89,275 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
7713326 Controlled release fertilizer material and process for production thereof Leslie Carstens, Baozhong Xing, Jim D. Byers 2010-05-11
7645906 Graded catalyst bed for methyl mercaptan synthesis Daniel M. Hasenberg 2010-01-12
7585932 Polymer compositions and processes for making and using same Jim D. Byers, Chad Brown, Michael S. Matson 2009-09-08
7557236 Thiol ester compositions and processes for making and using same Chad Brown, Steven J. Herron 2009-07-07
7399893 Process and catalyst for synthesis of mercaptans and sulfides from alcohols Daniel M. Hasenberg 2008-07-15
7326820 System and method for purifying heptane Daniel M. Hasenberg, Christopher R. Tully, Michael S. Hankinson, Clyde Stewart Denton, Dale M. Solaas 2008-02-05
7217843 Method of making 2-thiols Daniel M. Hasenberg 2007-05-15
6852901 Process to isomerize 1-butene to 2-butene Dan M. Hasenberg, Michael S. Matson 2005-02-08
6736879 Process to prepare low carbon disulfide containing dimethyl sulfide Dan M. Hasenberg, Stan A. Zisman 2004-05-18
6620776 Detergent additive composition and processes therefore and therewith David W. Dockter 2003-09-16
6506721 Detergent additive composition and processes therefore and therewith David W. Dockter 2003-01-14
6294699 Oxidation of mercaptans to organic disulfides James E. Shaw 2001-09-25