Assignee
FILMTEC CORP
10 patents
Top patents by PatentIndex Score
US4277344AJul 7, 1981
Interfacially synthesized reverse osmosis membrane
FILMTEC CORP582 citations98
US6881336B2Apr 19, 2005
Spiral wound element with improved feed space
FILMTEC CORP121 citations97
US4812270AMar 14, 1989
Novel water softening membranes
FILMTEC CORP72 citations96
US4960517AOct 2, 1990
Treatment of composite polyamide membranes via substitution with amine reactive reagents
FILMTEC CORP53 citations95
US4859384AAug 22, 1989
Novel polyamide reverse osmosis membranes
FILMTEC CORP89 citations95
US4964998AOct 23, 1990
Use of treated composite polyamide membranes to separate concentrated solute
FILMTEC CORP66 citations92
US4960518AOct 2, 1990
Treatment of composite polyamide membranes with compatible oxidants
FILMTEC CORP24 citations92
US4895661AJan 23, 1990
Alkali resistant hyperfiltration membrane
FILMTEC CORP29 citations92
US7156997B2Jan 2, 2007
Package assembly for piperazine-based membranes
FILMTEC CORP11 citations75
US4834886AMay 30, 1989
Process for making alkali resistant hyperfiltration membrane and resulting product
FILMTEC CORP16 citations73