PS

Peter W. Stanier

CL Crosfield Limited: 2 patents #1 of 6Top 20%
UB Unilever Patent Holdings B.V.: 1 patents #6 of 34Top 20%
Overall (1997): #12,228 of 185,788Top 7%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5643624 Amorphous silicas Derek Aldcroft, John R. Newton 1997-07-01
5637636 Silicas Simon Cartwright, Ian P. McKeown 1997-06-10
5624652 Silicas Derek Aldcroft 1997-04-29