Inventor
KIEFER JOACHIM
DE26 patents
⚠️ This page may combine multiple inventors who share the name “KIEFER JOACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF FUEL CELL GMBH
16 patentsUS7540984B2Jun 2, 2009
Proton-conducting membrane and the use thereof
BASF FUEL CELL GMBH18 citations92
US7384552B2Jun 10, 2008
Proton-conducting membrane and the use thereof
BASF FUEL CELL GMBH35 citations92
US7625652B2Dec 1, 2009
Multilayer electrolyte membrane
BASF FUEL CELL GMBH12 citations84
US7582210B2Sep 1, 2009
Proton-conducting membrane and use thereof
BASF FUEL CELL GMBH12 citations84
US7462223B2Dec 9, 2008
Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cell
BASF FUEL CELL GMBH15 citations84
US7485227B2Feb 3, 2009
Polyazole-based polymer films
BASF FUEL CELL GMBH8 citations83
US7745030B2Jun 29, 2010
Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells
BASF FUEL CELL GMBH12 citations82
US7736778B2Jun 15, 2010
Proton conducting polymer membrane comprising phosphonic acid groups containing polyazoles and the use thereof in fuel cells
BASF FUEL CELL GMBH12 citations82
US7661542B2Feb 16, 2010
Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cells
BASF FUEL CELL GMBH13 citations82
US7285325B2Oct 23, 2007
Membranes having improved mechanical properties, for use in fuel cells
BASF FUEL CELL GMBH7 citations72
US8945736B2Feb 3, 2015
Method for conditioning membrane-electrode-units for fuel cells
BASF FUEL CELL GMBH5 citations71
US7727651B2Jun 1, 2010
Proton-conducting polymer membrane comprising polymers containing phosphonic acid groups and its use in fuel cells
BASF FUEL CELL GMBH5 citations62
US7883818B2Feb 8, 2011
Process for producing proton-conducting polymer membranes, improved polymer membranes and the use thereof in fuel cells
BASF FUEL CELL GMBH6 citations56
US7846983B2Dec 7, 2010
Proton conducting electrolyte membrane for use in high temperatures and the use thereof in fuel cells
BASF FUEL CELL GMBH0 citations52
US7795372B2Sep 14, 2010
Polymer film based on polyazoles, and uses thereof
BASF FUEL CELL GMBH0 citations51
US7834131B2Nov 16, 2010
Asymmetric polymer film, method for the production and utilization thereof
BASF FUEL CELL GMBH0 citations49
PEMEAS GMBH
3 patentsUS7235320B2Jun 26, 2007
Proton-conducting membrane and use thereof
PEMEAS GMBH61 citations97
US7229553B2Jun 12, 2007
Method for producing a membrane made of bridged polymer and a fuel cell
PEMEAS GMBH15 citations83
US7846982B2Dec 7, 2010
Proton conducting electrolyte membrane having reduced methanol permeability and the use thereof in fuel cells
PEMEAS GMBH0 citations50
CALUNDANN GORDON
3 patentsUS8293806B2Oct 23, 2012
Proton-conducting membrane and the use of the same
CALUNDANN GORDON0 citations51
US8076379B2Dec 13, 2011
Proton-conducting membrane and the use thereof
CALUNDANN GORDON1 citations51
US8013026B2Sep 6, 2011
Proton-conducting membrane and the use of the same
CALUNDANN GORDON0 citations51