RK

Robert Kuhlmann

DA Degussa Ag: 14 patents #59 of 2,007Top 3%
EG Evonik Degussa Gmbh: 2 patents #589 of 1,853Top 35%
DA Degussa-Huels Ag: 1 patents #156 of 473Top 35%
Overall (All Time): #210,835 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8012253 Efficient matting agents based on precipitated silicas Juergen Schubert, Hans-Dieter Christian 2011-09-06
7871588 Silica by precipitation at constant alkali number, and its use Gottlieb-Georg Lindner, Claus-Peter Drexel 2011-01-18
7488382 Efficient matting agents based on precipitated silicas Juergen Schubert, Hans-Dieter Christian 2009-02-10
7204969 High-structure precipitated silicas Karl Meier 2007-04-17
7097818 Silica and silicate by precipitation at constant alkali number, and its use Gottlieb-Georg Lindner, Claus-Peter Drexel 2006-08-29
7071257 Precipitated silicas Heinz Esch, Udo Gorl, Ralf Rausch 2006-07-04
6977065 Precipitated silicas Heinz Esch, Udo Gorl, Ralf Rausch 2005-12-20
6214383 Precipitated silicas which contain an active substance Heinz Esch, Matthias Neumuller, Karin Otto, Ralf Rausch, Klaus Thomas 2001-04-10
5925708 Precipitated silicas Heinz Esch, Udo Gorl, Ralf Rausch 1999-07-20
5871867 Precipitated silica Ralf Rausch, Heinz Esch, Guenter Tuerk, Karl Meier, Walter Meon 1999-02-16
5859117 Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures Udo Goerl, Andrea Hunsche, Mustafa Siray, Heinz Esch 1999-01-12
5846506 Precipitated silicas Heinz Esch, Udo Gorl, Ralf Rausch 1998-12-08
5705137 Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures Udo Goerl, Andrea Hunsche, Mustafa Siray, Heinz Esch 1998-01-06
5484581 Process for the production of precipitated silica Heinz Esch, Mattias Neumueller, Karin Otto, Ralf Rausch 1996-01-16
5110574 Precipitated silicas and process for their production and use Helmut Reinhardt, Adam Becker, Peter Nauroth 1992-05-05
4857289 Process for preparing precipitated silica Peter Nauroth, Gunter Turk, Adam Becker 1989-08-15
4360388 Cerium containing precipitated silica, process for its production Peter Nauroth, Gunther Turk, Rudolf Bode, Arthur Reisert 1982-11-23
4308074 Precipitated silicic acid, method and compositions containing same Peter Nauroth, Heinz Esch, Rudolf Bode, Arthur Reisert, Harald Buhler +1 more 1981-12-29
4289681 Boron containing precipitated silica Peter Nauroth, Gunter Turk 1981-09-15
4273589 Precipitated silicic acid, method and compositions containing same Peter Nauroth, Heinz Esch, Rudolf Bode, Arthur Reisert 1981-06-16
4208316 Hydrophobic precipitated silicic acid and compositions containing same Peter Nauroth, Heinz Esch, Rudolf Bode, Arthur Reisert, Harald Buhler +1 more 1980-06-17