Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171568 | Method for the purification of exhaust air and/or effluents by contact with moulded bodies containing dealuminated zeolite Y | Elfriede Sextl, Eckehart Roland, Peter Kleinschmit | 2001-01-09 |
| 5676838 | Process for isolating hydroxymonocarboxylic and tricarboxylic acids | Elfriede Sextl, Heike Kinz, Wiltrud Schaefer-Treffenfeldt, Sems Yonsel, Stefan Stockhammer | 1997-10-14 |
| 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, Peter Kleinschmit | 1996-08-13 |
| 5529964 | Modified molecular sieves by means of solid ion exchange | Jens Weitkamp, Stefan Ernst, Thomas Bock, Thomas Kromminga, Peter Kleinschmit | 1996-06-25 |
| 5434114 | Method of modifying molecular sieves by means of solid state ion exchange | Jens Weitkamp, Stefan Ernst, Thomas Bock, Thomas Kromminga, Peter Kleinschmit | 1995-07-18 |
| 5389402 | Method of producing decorations which are color-stable in a porcelain firing and a pigment composition suitable therefor | Dietrich Speer, Jenny Horst, Guenter Halbritter, Rita Loew | 1995-02-14 |
| 5330571 | Inclusion pigments of zirconium silicate with included chromic oxide, a process for the preparation and use thereof | Dietrich Speer, Peter Kleinschmit, Jenny Horst, Christel Zell | 1994-07-19 |
| 5316993 | Molded bodies containing dealuminated zeolite Y and the process for their production | Elfriede Sextl, Eckehart Roland, Peter Kleinschmit | 1994-05-31 |
| 5312980 | Process for the separation of amino acids from aqueous solutions | Sems Yonsel, Wiltrud Schafer-Treffenfeldt, Elfriede Sextl, Heike Kinz | 1994-05-17 |
| 5254162 | Brown spinel pigments based on zinc chromite, method of their production and use | Dietrich Speer, Jenny Horst | 1993-10-19 |
| 5252126 | Neutral blue zirconium-vanadium pigments | Dietrich Speer, Jenny Horst | 1993-10-12 |
| 5252125 | Inclusion pigments of zirconium silicate formed with spinel inclusions, a process for the preparation and use thereof | Dietrich Speer, Peter Kleinschmit, Christel Zell | 1993-10-12 |
| 5223240 | Method of preparing zeolite Y | Eckehart Roland, Peter Kleinschmit, Frank Heindl | 1993-06-29 |
| 5205866 | Method for making grey-black inclusion pigments | Dietrich Speer, Peter Kleinschmit, Jenny Horst | 1993-04-27 |
| 5194089 | Coated spinel color pigments, process for their production and use | Dietrich Speer, Peter Kleinschmit, Jenny Horst | 1993-03-16 |
| 5116586 | Method for the reduction of nitrogen oxides from waste gases using a zeolite | Michael Baacke, Reinhold Beand, Bernd Engler, Peter Kleine-Mollhoff, Peter Kleinschmit +2 more | 1992-05-26 |
| 5043016 | Brown to gray inclusion pigments and method of their production | Dietrich Speer, Peter Kleinschmit | 1991-08-27 |
| 5035746 | Biege-brown encapsulated pigments and method of their production | Dietrich Speer, Peter Kleinschmit | 1991-07-30 |
| 5021092 | Method for the preparation of gray-green pigments based on zirconium silicate/vanadium compounds and sodium compound | Dietrich Speer, Peter Kleinschmit | 1991-06-04 |
| 5019169 | Gray-black encapsulated pigments and method for their preparation | Dietrich Speer, Peter Kleinschmit | 1991-05-28 |
| 5008223 | Grayish-black encapsulated pigments and method of their production | Dietrich Speer, Peter Kleinschmit, Juergen Hanich | 1991-04-16 |
| 4946622 | Blue luminescing glasses | Peter Kleinschmit, Werner Volker, Gunter Halbritter | 1990-08-07 |
| 4874433 | Methods of preparing encapsulated pigments | Peter Kleinschmit, Juergen Hanich, Guenter Halbritter, Jenny Horst | 1989-10-17 |
| 4806268 | Luminescing glasses | Peter Kleinschmit, Werner Volker, Gunter Halbritter | 1989-02-21 |
| 4767566 | Process for producing luminous material based on manganese activated cadmium borate | Peter Kleinschmit, Werner Volker, Gunter Halbritter | 1988-08-30 |