P

Inventor

DELLER KLAUS

DE42 patents
⚠️ This page may combine multiple inventors who share the name “DELLER KLAUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEGUSSA

37 patents
US5776240AJul 7, 1998

Granules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereof

DEGUSSA132 citations97
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
US5108717AApr 28, 1992

Apparatus for the catalytic conversion of waste gases

DEGUSSA61 citations94
US6679945B2Jan 20, 2004

Pyrogenically prepared silicon dioxide

DEGUSSA19 citations92
US6663851B1Dec 16, 2003

Surface-modified titanium dioxide

DEGUSSA27 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
US6849114B2Feb 1, 2005

Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom

DEGUSSA18 citations91
US5449655ASep 12, 1995

Process for preparing hydrogenation catalysts which contain noble metals on activated carbon

DEGUSSA21 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
US4983366AJan 8, 1991

Method for the catalytic conversion of waste gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide

DEGUSSA27 citations91
US5132452AJul 21, 1992

Method for preparation of gluconic acid by catalytic oxidation of glucose

DEGUSSA44 citations90
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
US5498585AMar 12, 1996

Sulphidized catalyst which contains platinum on activated carbon

DEGUSSA22 citations88
US5512529AApr 30, 1996

Catalyst for the selective hydrogenation of aromatic halonitro compounds to aromatic haloamines and a process for its production

DEGUSSA19 citations87
US6455455B1Sep 24, 2002

Silicon-aluminum mixed oxide

DEGUSSA15 citations84
US6796143B2Sep 28, 2004

Process for producing SiO2-TiO2 glasses having a low coefficient of thermal expansion

DEGUSSA15 citations81
US5466421ANov 14, 1995

Apparatus for the catalytic conversion of waste gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide

DEGUSSA15 citations81
US7465431B2Dec 16, 2008

Nanoscalar pyrogenically produced yttrium-zirconium mixed oxide

DEGUSSA10 citations80
US6319974B1Nov 20, 2001

Method for improving the stability of polymers

DEGUSSA7 citations74
US5237019AAug 17, 1993

Metal-containing, shaped polymeric, tertiary and/or secondary organosiloxane amine compounds, method of their production and use

DEGUSSA8 citations74
US4482760ANov 13, 1984

Process for the production of 1,2-diols

DEGUSSA8 citations74
US6890873B2May 10, 2005

Glass prepared from pyrogenically prepared silicon dioxide

DEGUSSA8 citations73
US5858906AJan 12, 1999

Compacts based on pyrogenically produced oxides

DEGUSSA10 citations73
US5498590AMar 12, 1996

Process for uniform and reproducible shell impregnation of fixed bed catalyst supports in the form of loose particles

DEGUSSA14 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
US4861937AAug 29, 1989

Catalysts for converting alcohols and/or aliphatic ether to unsaturated hydrocarbons and process for their production

DEGUSSA15 citations73
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
US4751298AJun 14, 1988

Production of 1-(3-hydroxy-propyl)-1,4-diazepane and 1,4-bis(3,4,5-trimethoxy-benzoyloxy)-propyl-diazepane derivatives thereof

DEGUSSA3 citations63
US4486600ADec 4, 1984

Process for the production of β-hydroxy-α-aminocarboxylic acids

DEGUSSA2 citations63
US4376215AMar 8, 1983

Process for the production of 4-aminobutyramide hydrochloride

DEGUSSA2 citations63
US7132157B2Nov 7, 2006

Layer obtained from an aqueous dispersion containing a silicon/titanium mixed oxide powder prepared by flame-hydrolysis

DEGUSSA4 citations61
US5395965AMar 7, 1995

Catalyst for the production of a glyoxylic acid by catalytic oxidation of glyoxal and method of its production

DEGUSSA5 citations58
US4935218AJun 19, 1990

Catalyst for the production of hydrocarbons and process for their production

DEGUSSA0 citations52

EVONIK DEGUSSA GMBH

4 patents

WACKER CHEMIE GMBH

1 patent