Inventor
BOENNEMANN HELMUT
DE12 patents
Patents
12 patentsUS6090746AJul 18, 2000
Process for producing tenside-stabilized colloids of mono- and bimetals of the group VIII and Ib of the periodic system in the form of precursors for catalysts which are isolable and water soluble at high concentration
STUDIENGESELLSCHAFT KOHLE MBH64 citations94
US6531304B1Mar 11, 2003
Method for modifying the dispersion characteristics of metal organic-prestabilized or pre-treated nanometal colloids
STUDIENGESELLSCHAFT KOHLE MBH44 citations90
US4713110ADec 15, 1987
Process for preparing finely divided metal powders
STUDIENGESELLSCHAFT KOHLE MBH11 citations73
US4556719ADec 3, 1985
Production of transition metal complexes
STUDIENGESELLSCHAFT KOHLE MBH9 citations73
US4469638ASep 4, 1984
Production of transition metal complexes
STUDIENGESELLSCHAFT KOHLE MBH13 citations73
US4266061AMay 5, 1981
Process for preparation of 2-vinylpyridine from acetylene and acrylonitrile
STUDIENGESELLSCHAFT KOHLE MBH6 citations73
US5308377AMay 3, 1994
Process for preparing microcrystalline-to-amorphous metal and/or alloy powders and metals and/or alloys dissolved without protective colloid in organic solvents
STUDIENGESELLSCHAFT KOHLE MBH10 citations70
US4267329AMay 12, 1981
Process for preparation of 2-vinylpyridine from acetylene and acrylonitrile
STUDIENGESELLSCHAFT KOHLE MBH4 citations62
US4588815AMay 13, 1986
Method for manufacturing pyridine and pyridine derivatives from alkynes and cyano compounds in the presence of complex cobalt or rhodium compounds with ligands containing boron
STUDIENGESELLSCHAFT KOHLE MBH2 citations61
US6491842B1Dec 10, 2002
Anticorrosive magnetic nanocolloids protected by precious metals
STUDIENGESELLSCHAFT KOHLE MBH4 citations60
US5240515AAug 31, 1993
Acicular iron-magnet pigments having an adjustable coercive field strength and process for producing same
STUDIENGESELLSCHAFT KOHLE MBH0 citations50
US5053075AOct 1, 1991
Acicular iron-magnet pigments having an adjustable coercive field strength and process for producing same
STUDIENGESELLSCHAFT KOHLE MBH0 citations39