WS

William K. Stephenson

NC Nalco Chemical: 8 patents #55 of 631Top 9%
NC Nalco Company: 1 patents #207 of 361Top 60%
📍 Sugar Land, TX: #348 of 1,869 inventorsTop 20%
🗺 Texas: #16,798 of 125,132 inventorsTop 15%
Overall (All Time): #583,975 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7431845 Method of clarifying oily waste water Maria B. Manek, Michael Howdeshell, Kirk E. Wells, Hester A. Clever 2008-10-07
6120678 Desalting adjunct chemistry Joe Scott Walker, Bordan W. Krupay, Sheraldean A. Wolsey-Iverson 2000-09-19
5196486 Alkoxylated vinyl polymer demulsifiers 1993-03-23
5143594 Refinery anti-foulant - asphaltene dispersant Bradley D. Mercer, David G. Comer 1992-09-01
5100531 Refinery anti-foulant - asphaltene dispersant Bradley D. Mercer, David G. Comer 1992-03-31
5073248 Asphaltene dispersants - inhibitors Morris Kaplan 1991-12-17
5028239 Fuel dewatering additives 1991-07-02
5021498 Asphaltene dispersants - inhibitors Morris Kaplan 1991-06-04
4968449 Alkoxylated vinyl polymer demulsifiers 1990-11-06