WL

Weilian Lang

SA Sachem: 2 patents #11 of 39Top 30%
Overall (All Time): #2,157,331 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7214806 Synthetic multiple quaternary ammonium salts Charles B. Little, Victor van de Pas 2007-05-08
6217743 Process for recovering organic hydroxides from waste solutions Roger Moulton, Allen H. Tanner 2001-04-17