PW

Paul Walcheski

CS Chemical Specialties: 2 patents #2 of 11Top 20%
📍 Mount Ulla, NC: #1 of 4 inventorsTop 25%
🗺 North Carolina: #11,920 of 45,564 inventorsTop 30%
Overall (All Time): #1,239,441 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7993756 Long-chain quaternary ammonium compounds as wood treatment agents Lehong Jin, Alan F. Preston, Kevin Archer, Futong Cui, Andrew R. Zahora 2011-08-09
7264886 Water repellent compositions for wood preservatives Futong Cui, Alan F. Preston, Kevin Archer 2007-09-04
5824370 Process for treating wood Anthony John Bergervoet, James L. Marcinko 1998-10-20
5652023 Fixation process for heat-fixable preservative treated wood Anthony John Bergervoet, James L. Marcinko 1997-07-29