Inventor
ESCH HEINZ
DE14 patents
⚠️ This page may combine multiple inventors who share the name “ESCH HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
13 patentsUS5846506ADec 8, 1998
Precipitated silicas
DEGUSSA48 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
US4495167AJan 22, 1985
Precipitated silicas having high structure and process for their preparation
DEGUSSA57 citations92
US5871867AFeb 16, 1999
Precipitated silica
DEGUSSA40 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
US5256196AOct 26, 1993
Precipitated silica paste
DEGUSSA23 citations88
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