Inventor
KUHLMANN ROBERT
DE21 patents
⚠️ This page may combine multiple inventors who share the name “KUHLMANN ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
18 patentsUS5846506ADec 8, 1998
Precipitated silicas
DEGUSSA48 citations95
US4857289AAug 15, 1989
Process for preparing precipitated silica
DEGUSSA62 citations95
US5705137AJan 6, 1998
Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures
DEGUSSA59 citations94
US5484581AJan 16, 1996
Process for the production of precipitated silica
DEGUSSA82 citations93
US5925708AJul 20, 1999
Precipitated silicas
DEGUSSA36 citations92
US5110574AMay 5, 1992
Precipitated silicas and process for their production and use
DEGUSSA31 citations92
US7097818B2Aug 29, 2006
Silica and silicate by precipitation at constant alkali number, and its use
DEGUSSA22 citations91
US5871867AFeb 16, 1999
Precipitated silica
DEGUSSA40 citations91
US4360388ANov 23, 1982
Cerium containing precipitated silica, process for its production
DEGUSSA29 citations91
US4273589AJun 16, 1981
Precipitated silicic acid, method and compositions containing same
DEGUSSA42 citations90
US4208316AJun 17, 1980
Hydrophobic precipitated silicic acid and compositions containing same
DEGUSSA47 citations90
US6214383B1Apr 10, 2001
Precipitated silicas which contain an active substance
DEGUSSA30 citations89
US7204969B2Apr 17, 2007
High-structure precipitated silicas
DEGUSSA17 citations84
US6977065B1Dec 20, 2005
Precipitated silicas
DEGUSSA12 citations83
US7071257B2Jul 4, 2006
Precipitated silicas
DEGUSSA10 citations73
US4308074ADec 29, 1981
Precipitated silicic acid, method and compositions containing same
DEGUSSA15 citations71
US4038224AJul 26, 1977
Organically modified silicic acids and silicates for delustering lacquers
DEGUSSA14 citations69
US7488382B2Feb 10, 2009
Efficient matting agents based on precipitated silicas
DEGUSSA3 citations62