PS

Philip H. Steiger

WI Witco: 3 patents #24 of 201Top 15%
GC Goldschmidt Chemical: 1 patents #8 of 21Top 40%
📍 Powell, OH: #130 of 479 inventorsTop 30%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,276,472 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6235914 Amine and quaternary ammonium compounds made from ketones and aldehydes, and compositions containing them Christopher J. Toney 2001-05-22
5705681 Diquaternary compounds useful as bleach activators Shaun F. Clancy, Owen Portwood 1998-01-06
5662827 Diquaternary compounds useful as bleach activators, and compositions containing them Shaun F. Clancy, Owen Portwood 1997-09-02
5399746 Diquaternary bleach activators and compositions containing them Shaun F. Clancy, Owen Portwood 1995-03-21