Issued Patents All Time
Showing 25 most recent of 136 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524548 | Zirconium dioxide powder, method of its production and use | Helmut Mangold, Werner Hartmann, Dieter Kerner | 2003-02-25 |
| 6242373 | Boron oxide-silicon dioxide mixed oxide | Helmut Mangold, Manfred Ettlinger, Dieter Kerner | 2001-06-05 |
| 6171568 | Method for the purification of exhaust air and/or effluents by contact with moulded bodies containing dealuminated zeolite Y | Elfriede Sextl, Eckehart Roland, Akos Kiss | 2001-01-09 |
| 6083859 | Boron oxide-silicon dioxide mixed oxide | Helmut Mangold, Manfred Ettlinger, Dieter Kerner | 2000-07-04 |
| 5976480 | Pyrogenic silica, process for the production thereof and use | Helmut Mangold, Dieter Kerner | 1999-11-02 |
| 5614011 | Thermally split zirconium silicate, method of its production and use | Dieter Binder, Klaus Zetzmann, Hans Hoffmeister | 1997-03-25 |
| 5545784 | Method of modifying molecular sieves by means of solid state ion exchange, and a method for hydrogenating olefinic compounds | Jens Weitkamp, Stefan Ernst, Thomas Bock, Thomas Kromminga, Akos Kiss | 1996-08-13 |
| 5529964 | Modified molecular sieves by means of solid ion exchange | Jens Weitkamp, Stefan Ernst, Thomas Bock, Thomas Kromminga, Akos Kiss | 1996-06-25 |
| 5526375 | Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with sintering crust crucible | Dieter Binder, Gerhard Birtigh, Klaus Zetzmann | 1996-06-11 |
| 5438111 | Formed, polymeric transition-metal complex catalysts with organosiloxane diphenylphosphine ligands | Peter Panster, Robert Gradl | 1995-08-01 |
| 5434114 | Method of modifying molecular sieves by means of solid state ion exchange | Jens Weitkamp, Stefan Ernst, Thomas Bock, Thomas Kromminga, Akos Kiss | 1995-07-18 |
| 5430757 | Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with sintering crust crucible | Dieter Binder, Gerhard Birtigh, Klaus Zetzmann | 1995-07-04 |
| 5424258 | Silicon-aluminum mixed oxide | Helmut Mangold, Werner Hartmann, Dieter Kerner, Thomas Rudolph | 1995-06-13 |
| 5389420 | Heat insulator and method of making it | Gerhard Sextl, Roland Reuter, Hans Strack, Rudolf Schwarz | 1995-02-14 |
| 5380687 | Silicon-aluminum mixed oxide | Helmut Mangold, Werner Hartmann, Dieter Kerner, Thomas Rudolph | 1995-01-10 |
| 5362541 | Shaped articles for heat insulation | Gerhard Sextl, Roland Reuter, Rudolf Schwarz, Ilona Sporys | 1994-11-08 |
| 5354831 | Shaped organopolysiloxanes containing sulfonate groups, a process for their production and their use | Peter Panster | 1994-10-11 |
| 5340895 | Formed, polymeric transition-metal complex catalysts with organosiloxane diphenylphosphine ligands | Peter Panster, Robert Gradl | 1994-08-23 |
| 5330571 | Inclusion pigments of zirconium silicate with included chromic oxide, a process for the preparation and use thereof | Dietrich Speer, Akos Kiss, Jenny Horst, Christel Zell | 1994-07-19 |
| 5324355 | Thermally split zirconium silicate, method of its production and use | Dieter Binder, Klaus Zetzmann, Hans Hoffmeister | 1994-06-28 |
| 5318765 | Monoclinic zirconium dioxide, method of its production and use | Dieter Binder, Hans Hoffmeister, Roland Reuter | 1994-06-07 |
| 5316816 | Form body for heat insulation and vacuum insulation panel with asymmetric design | Gerhard Sextl, Hans Strack, Roland Reuter, Ilona Fuss, Rudolf Schwarz | 1994-05-31 |
| 5316993 | Molded bodies containing dealuminated zeolite Y and the process for their production | Elfriede Sextl, Eckehart Roland, Akos Kiss | 1994-05-31 |
| 5268925 | Method and apparatus for the semi-continuous melting and discharging of ceramic material in an induction melting furnace with singering crust crucible | Dieter Binder, Gerhard Birtigh, Klaus Zetzmann | 1993-12-07 |
| 5260470 | Method of purifying alkoxysilanes | Thomas Goebel, Peter Panster, Werner Will | 1993-11-09 |