Inventor
KOEHLER JOACHIM
DE16 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER JOACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UMICORE AG & CO KG
8 patentsUS6998149B2Feb 14, 2006
Process for producing a membrane electrode assembly for fuel cells
UMICORE AG & CO KG27 citations92
US6844286B2Jan 18, 2005
Water-based catalyst inks and their use for manufacture of catalyst-coated substrates
UMICORE AG & CO KG27 citations90
US8361921B2Jan 29, 2013
Noble metal nanoparticles, a process for preparing these and their use
UMICORE AG & CO KG6 citations82
US7754369B2Jul 13, 2010
Ink for producing membrane electrode assemblies for fuel cells
UMICORE AG & CO KG14 citations82
US7713502B2May 11, 2010
Process for recycling fuel cell components containing precious metals
UMICORE AG & CO KG17 citations82
US7141270B2Nov 28, 2006
Method for the production of membrane electrode assemblies for fuel cells
UMICORE AG & CO KG18 citations80
US7147959B2Dec 12, 2006
Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes
UMICORE AG & CO KG2 citations60
US6893761B2May 17, 2005
Process for producing a membrane electrode assembly and the membrane electrode assembly produced thereby
UMICORE AG & CO KG0 citations48
SIEMENS AG
2 patentsWELLA AG
2 patentsUS4844886AJul 4, 1989
Cosmetic compositions with a content of hydrogenperoxide and alpha-bisabolol as well as use of alpha-bisabolol for the stabilization of hydrogenperoxide
WELLA AG32 citations92
US4859459AAug 22, 1989
Method of shaping human hair using dipropylene glycol monomethyl ether
WELLA AG24 citations88