AS

Albert van der Scheer

Shell Oil Compny: 4 patents #842 of 4,423Top 20%
Overall (All Time): #1,302,262 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4976856 Process for preparing non-porous, selective membrane layers Jan Werner 1990-12-11
4605526 Process for producing dense membranes Marinus Johannes Reynhout 1986-08-12
4581043 Composite dense membrane 1986-04-08
4556530 Method for producing a very thin dense membrane Marinus Johannes Reynhout 1985-12-03