Inventor
KARL ALFONS
DE21 patents
⚠️ This page may combine multiple inventors who share the name “KARL ALFONS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
15 patentsUS6471763B1Oct 29, 2002
Oxidatively aftertreated carbon black
DEGUSSA79 citations98
US6780389B2Aug 24, 2004
Process for the production of modified carbon black
DEGUSSA74 citations96
US6685769B1Feb 3, 2004
Aqueous carbon black dispersions
DEGUSSA77 citations96
US6503311B1Jan 7, 2003
Aqueous carbon black dispersions
DEGUSSA67 citations95
US5859120AJan 12, 1999
Carbon black and processes for manufacturing
DEGUSSA57 citations95
US7217405B2May 15, 2007
Method for producing post-treated carbon black
DEGUSSA28 citations92
US5292708AMar 8, 1994
Method of producing activated carbon from pit-wet lignite
DEGUSSA23 citations92
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
US6171382B1Jan 9, 2001
Aqueous carbon black dispersions
DEGUSSA49 citations89
US4390712AJun 28, 1983
Aqueous solution of cationic organosilicon compounds and process for the production of the solutions
DEGUSSA21 citations82
US7172652B2Feb 6, 2007
Carbon black granules
DEGUSSA12 citations79
US4401598AAug 30, 1983
Production of organosilicon compounds having azido groups
DEGUSSA8 citations73
US4362885ADec 7, 1982
Process for the manufacture of (iodoorganyl)alkoxysilanes
DEGUSSA14 citations73
US4642304AFeb 10, 1987
Activated carbon and process for its production
DEGUSSA8 citations68