FD

Francois Delwel

LB Lever Brothers: 8 patents #15 of 819Top 2%
LC Lever Brothers Company, Division Of Conopco: 4 patents #92 of 625Top 15%
UB Unilever Patent Holdings B.V.: 2 patents #73 of 552Top 15%
📍 Dordrecht, NL: #3 of 163 inventorsTop 2%
Overall (All Time): #302,642 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6301733 Process and dispensing device for washing laundry in a washing machine George Thomas Dawson, James William Gordon, Albert Cornelis de Jong, Colin Watt Kerr, Edwin Leo Lempers +1 more 2001-10-16
6174848 Process and dispensing device for washing laundry in a washing machine George Thomas Dawson, James William Gordon, Albert Cornelis de Jong, Colin Watt Kerr, Edwin Leo Lempers +1 more 2001-01-16
6162781 Foam control granule for particulate laundry detergent compositions Marinela Buscan, Angela Di-Pietro 2000-12-19
6025320 Detergent compositions and process for preparing them Peter Willem Appel, Johan Christiaan Klein-Velderman 2000-02-15
5998357 Non-sray-drying process for preparing detergent compositions Peter Willem Appel, Johan Christiaan Klein-Velderman 1999-12-07
5589267 Polyvinyl ether encapsulated particles David John Lang 1996-12-31
5460743 Liquid cleaning composition containing polyvinyl ether encapsulated particles David John Lang 1995-10-24
5356554 Bleach catalyst composition, manufacture and use thereof in detergent and/or bleach compositions Marten R. P. van Vliet 1994-10-18
5340559 Granular alkali metal silicate production Theo Jan Osinga, Joseph Pierre H. Theunissen, Jack M. Vrancken 1994-08-23
5286470 Silicate products 1994-02-15
4923636 Detergent compositions Stephen N. Blackburn, Elfed H. Evans 1990-05-08
4826632 Detergent compositions manufacturing process by spraying anionic/nonionic surfactant mix Stephen N. Blackburn, Elfed H. Evans 1989-05-02
4824593 Antifoam ingredient Peter Willem Appel, Fabrizio Bortolotti, Fredrik Hornung, Alan Digby Tomlinson, Simon Willemse 1989-04-25
4637891 Process for the manufacture of detergent compositions containing sodium aluminosilicate Marinus L. M. Claassens 1987-01-20
4582263 Apparatus for mixing or granulation of particles 1986-04-15
4434068 Process for manufacturing detergent speckles Roland De Goede 1984-02-28