Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834653 | Method for producing monodisperse, amido-methylated vinyl-aromatic bead polymers | Reinhold Klipper, Wolfgang Zarges, Olaf Halle | 2017-12-05 |
| 9079177 | Methylene aminoethyl sulfonic acid chelating resins | Pierre Vanhoorne, Reinhold Klipper, Georg Martin | 2015-07-14 |
| 8714258 | Process for transporting fracture (“frac”) fluid additives to oil and gas wells utilizing ion exchange resin | Anthony P. Tirio, Phil Fatula | 2014-05-06 |
| 8563622 | Picolylamine resins | Reinhold Klipper, Duilio Rossoni | 2013-10-22 |
| 8562922 | Picolylamine resins | Reinhold Klipper, Duilio Rossoni | 2013-10-22 |
| 8506818 | Method for producing chelate resins | Reinhold Klipper | 2013-08-13 |
| 8440730 | Method for improved removal of cations by means of chelating resins | Reinhold Klipper, Stefan Neumann, Jens Stoll, Pierre Vanhoorne | 2013-05-14 |
| 8399528 | Method for improved removal of cations by means of chelating resins | Reinhold Klipper, Stefan Neumann, Jens Stoll, Pierre Vanhoorne | 2013-03-19 |
| 8211950 | Amphoteric ion exchangers | Reinhold Klipper, Hans-Karl Soest, Ulrich Litzinger, Georg Martin | 2012-07-03 |
| 8177982 | Method of producing monodisperse chelate resins | Reinhold Klipper, Stefan Neumann, Wolfgang Zarges | 2012-05-15 |
| 8087462 | Process for transporting fracture (“FRAC”) fluid additives to oil and gas wells utilizing ion exchange resin | Anthony P. Tirio, Phil Fatula | 2012-01-03 |
| 7851584 | Process for preparing monomer complexes | Doetze Jakob Sikkema, David J. Rodini, Hasan Dindi, James Schultz, Georg Martin +1 more | 2010-12-14 |
| 7754084 | Heat-stable anion exchangers | Pierre Vanhoorne, Wolfgang Podszun, Reinhold Klipper | 2010-07-13 |
| 7708892 | Conditioning of ion exchangers for adsorption of oxoanions | Reinhold Klipper, Stefan Neumann, Jens Stoll | 2010-05-04 |
| 7683122 | Processes for increasing polymer inherent viscosity | Doetze Jakob Sikkema, David J. Rodini, Qinghong Fu Adkins, Steven R. Allen, Georg Martin +1 more | 2010-03-23 |
| 7553906 | Dual cure systems | Jan Weikard, Christoph Gürtler, Wolfgang Fischer, Diethelm Rappen | 2009-06-30 |
| 7202378 | Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate | Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper +2 more | 2007-04-10 |
| 7202384 | Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate | Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Kartin Joschek, Tim Loddenkemper +2 more | 2007-04-10 |
| 7148374 | Elimination-free powder coating crosslinking agents | Dorota Greszta-Franz, Christoph Gürtler, Reinhard Halpaap, Michael Grahl | 2006-12-12 |
| 7057071 | Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate | Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper +2 more | 2006-06-06 |
| 7057003 | Reactive systems, their preparation and their use | Kamelia Detig-Karlou, Joachim Simon, Michael Mager, Thomas Stingl, Christoph Gürtler | 2006-06-06 |
| 6843933 | Blocked polyisocyanates | Christoph Gürtler, Beate Baumbach, Christian Fussel | 2005-01-18 |
| 6827875 | Cyclic ketones as blocking agents | Christoph Gürtler | 2004-12-07 |
| 6790976 | Process for producing aliphatic tricarbonitriles | Manfred Jautelat | 2004-09-14 |
| 6706924 | Process for the production of 1,5-naphthalenediamine | Katrin Joschek, Manfred Jautelat, Joachim Zechlin, Dietmar Wastian | 2004-03-16 |