Inventor
MATHIAS JOHANN
DE6 patents
⚠️ This page may combine multiple inventors who share the name “MATHIAS JOHANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
5 patentsUS6685769B1Feb 3, 2004
Aqueous carbon black dispersions
DEGUSSA77 citations96
US6569231B1May 27, 2003
Pigment preparations, a process for preparing pigment preparations and use thereof
DEGUSSA35 citations91
US6451100B1Sep 17, 2002
Aqueous carbon black dispersions
DEGUSSA30 citations91
US4721530AJan 26, 1988
Method for increasing the thickening action of pyrogenically produced silicon dioxide
DEGUSSA4 citations59
US7514062B2Apr 7, 2009
Process for the production of furnace black
DEGUSSA4 citations56