DR

David Ian Richards

BL Bp Chemicals Limited: 1 patents #271 of 566Top 50%
📍 Cudworth, GB: #3 of 14 inventorsTop 25%
Overall (All Time): #1,639,860 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5821359 Acetylation of lignocellulosic fibres Helen Louise Nelson 1998-10-13
5777101 Acetylation of lignocellulosic materials Helen Louise Nelson 1998-07-07
5608051 Acetylation of lignocellulosic materials Helen Louise Nelson, Rune Simonson 1997-03-04