DR

Donald M. Robertson

SC Solvay Chemicals: 3 patents #7 of 37Top 20%
SM Solvay Minerals: 1 patents #9 of 15Top 60%
📍 Green River, WY: #10 of 69 inventorsTop 15%
🗺 Wyoming: #280 of 1,797 inventorsTop 20%
Overall (All Time): #1,224,477 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8366793 Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products Jim Kisielewski, Robert N. Skogley 2013-02-05
7770735 Magnetic separation process for trona James D. Phillip, William E. Stuble, Mike J. Ventura 2010-08-10
7473407 Magnetic separation process for trona James D. Phillip, William E. Stuble, Mike J. Ventura 2009-01-06
5759507 Process for production of dense soda ash from soda ash fines David R. Delling, Kevin L. Green, James D. Phillip 1998-06-02