Inventor
KRAUSE HELMFRIED
DE23 patents
⚠️ This page may combine multiple inventors who share the name “KRAUSE HELMFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
22 patentsUS5776240AJul 7, 1998
Granules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereof
DEGUSSA132 citations97
US5808136ASep 15, 1998
Catalyst, method of its production and its use for the production of vinyl acetate monomer
DEGUSSA110 citations95
US5536694AJul 16, 1996
Catalyst precursor for an activated raney metal fixed-bed catalyst, an activated raney metal fixed-bed catalyst and a process for its preparation and use, and a method of hydrogenating organic compounds using said catalyst
DEGUSSA96 citations94
US6207610B1Mar 27, 2001
Compacts based on pyrogenically produced silicon dioxide
DEGUSSA42 citations92
US5166120ANov 24, 1992
Cylindrically formed catalyst for the oxychlorination of ethylene
DEGUSSA30 citations92
US5086031AFeb 4, 1992
Pressed parts based on pyrogenically produced silicon dioxide, method of their production and their use
DEGUSSA34 citations92
US6593270B1Jul 15, 2003
Moldings based on pyrogenic silicon dioxide
DEGUSSA29 citations91
US5021378AJun 4, 1991
Molded articles based on pyrogenically prepared silicon dioxide, process for their production and their use
DEGUSSA27 citations91
US5002917AMar 26, 1991
Molded articles based on pyrogenically produced titanium dioxide method for their manufacturing and uses
DEGUSSA22 citations91
US5132452AJul 21, 1992
Method for preparation of gluconic acid by catalytic oxidation of glucose
DEGUSSA44 citations90
US6821922B1Nov 23, 2004
Supported catalyst for the production of vinyl acetate monomer
DEGUSSA45 citations89
US5002918AMar 26, 1991
Molded articles based on pyrogenically produced mixed-oxide systems of silicon dioxide and aluminum oxide, a method for manufacturing them and their use
DEGUSSA32 citations89
US5858906AJan 12, 1999
Compacts based on pyrogenically produced oxides
DEGUSSA10 citations73
US5366938ANov 22, 1994
Shaped articles based on pyrogenically produced titanium dioxide
DEGUSSA9 citations73
US5231067AJul 27, 1993
Shaped articles based on pyrogenically produced titanium dioxide, method of their production and their use
DEGUSSA11 citations73
US6432869B1Aug 13, 2002
Moldings including pyrogenic mixed oxide and the use thereof
DEGUSSA12 citations72
US5015615AMay 14, 1991
Molded articles based on pyrogenically prepared aluminum oxide and process for their production
DEGUSSA12 citations72
US5004719AApr 2, 1991
Molded articles based on pyrogenically produced zirconium dioxide method for their manufacture, and use thereof
DEGUSSA16 citations72
US6989345B2Jan 24, 2006
Catalyst support
DEGUSSA5 citations69
US5959164ASep 28, 1999
Use of catalysts based on catalyst supports containing silicon dioxide for catalytic reactions under hydrothermal conditions
DEGUSSA6 citations60
US7148179B2Dec 12, 2006
Catalyst support
DEGUSSA4 citations58
US4409185AOct 11, 1983
Safety device for packagings which contain hydrogen emitting pyrophoric metallic catalysts
DEGUSSA1 citations39