JW

John David Withenshaw

WL Warwick International Group Limited: 5 patents #1 of 16Top 7%
📍 Holywell, GB: #2 of 14 inventorsTop 15%
Overall (All Time): #1,042,008 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6569286 Method for the alkaline bleaching of pulp with a peroxyacid based oxygen bleaching species using an agglomerated bleach activator Jane Williams, Mark Ardern Chadwick, Neil Anthony Turner 2003-05-27
6080710 Bleach activator compositions Mark Alexander France 2000-06-27
5800755 Agglomerated active with controlled release Mark Ardern Chadwick, William J. Wilson 1998-09-01
5433881 Granulation process for making granular bleach activator compositions and resulting product John Townend, Anthony J. Gradwell 1995-07-18
4921631 Bleach activator compositions Anthony J. Gradwell 1990-05-01