DH

David R. Hulme

SA Sachem: 4 patents #6 of 39Top 20%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,275,714 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6207039 Process for recovering onium hydroxides or onium salts from solutions containing onium compounds using electrochemical ion exchange Roger Moulton 2001-03-27
5968338 Process for recovering onium hydroxides from solutions containing onium compounds Roger Moulton, Wilfred W. Wilson, Mark Hellums 1999-10-19
5853555 Synthesis of onium hydroxides from onium salts Hossein Sharifian 1998-12-29
5575901 Process for preparing organic and inorganic hydroxides or alkoxides or ammonia or organic amines from the corresponding salts by electrolysis Hossein Sharifian 1996-11-19