Inventor
HAMROCK STEVEN JOSEPH
US9 patents
⚠️ This page may combine multiple inventors who share the name “HAMROCK STEVEN JOSEPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
7 patentsUS6277512B1Aug 21, 2001
Polymer electrolyte membranes from mixed dispersions
3M INNOVATIVE PROPERTIES CO189 citations96
US7348088B2Mar 25, 2008
Polymer electrolyte membrane
3M INNOVATIVE PROPERTIES CO108 citations92
US6863838B2Mar 8, 2005
Zwitterionic imides
3M INNOVATIVE PROPERTIES CO24 citations91
US6727386B2Apr 27, 2004
Aromatic imide and aromatic methylidynetrissulfonyl compounds and method of making
3M INNOVATIVE PROPERTIES CO17 citations91
US6350545B2Feb 26, 2002
Sulfonylimide compounds
3M INNOVATIVE PROPERTIES CO20 citations88
US6649295B2Nov 18, 2003
Membrane electrode assembly having annealed polymer electrolyte membrane
3M INNOVATIVE PROPERTIES CO37 citations86
US6683209B2Jan 27, 2004
Aromatic imide and aromatic methylidynetrissulfonyl compounds and method of making
3M INNOVATIVE PROPERTIES CO6 citations72