Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8722092 | Nanoparticles made of amorphous cellulose | Jurgen Engelhardt, Christa Kruger, Steffen Fischer, Manfred Pinnow, Kay Hettrich | 2014-05-13 |
| 8338494 | Nanoparticles from slightly oxidised cellulose | Christa Kruger, Jurgen Engelhardt, Volker Kriegisch, Steffen Fischer, Manfred Pinnow +1 more | 2012-12-25 |
| 8182839 | Production of cellulose nanoparticles | Jurgen Engelhardt, Birgit Kosan, Christa Kruger, Frank Meister, Jens Schaller | 2012-05-22 |
| 7071326 | Anionic cellulose nitrate derivatives and aqueous dispersions thereof | Carsten Huttermann, Thomas Wagner | 2006-07-04 |
| 6509396 | Coating agent emulsion and its use in lacquers | Lutz Hoppe, Hans-Günter Poersch-Panke | 2003-01-21 |
| 6005046 | Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole | Gerald Kurek, Eberhard Konig, Theodor Engbert | 1999-12-21 |
| 5981653 | Process for the production of aqueous stoving coating compositions | Oswald Wilmes, Lothar Kahl, Bernd Klinksiek, Christian Wamprecht, Manfred Bock | 1999-11-09 |
| 5900510 | Process for the preparation of diaminodipropyl ethers and hydroxyaminodipropyl ethers | Helmut Waldmann, Josef Pedain, Anatoly Bazanov, Alexandre Timofeev, Natalja Zubritskaya +1 more | 1999-05-04 |
| 5889106 | Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole | Gerald Kurek, Eberhard Konig, Theodor Engbert | 1999-03-30 |
| 5852106 | Coating compositions for glass substrates | Oswald Wilmes, Beate Baumbach, Eberhard Konig, Randall Dearth, Manfred Bock +1 more | 1998-12-22 |
| 5804647 | Aqueous polyurethane-ureas, a process for their production and their use in coating compositions | Oswald Wilmes, Eberhard Arning, Rolf Roschu | 1998-09-08 |
| 5789620 | Process for the preparation of 1,4-bis(aminomethyl) cyclohexane | Helmut Waldmann, Jurgen Dahmer, Anatoly Bazanov, Alexandre Timofeev, Natalja Zubritskaya +1 more | 1998-08-04 |
| 5747582 | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor | Detlef-Ingo Schutze, Wilhelm Thoma, Josef Pedain, Reinold Schmitz | 1998-05-05 |
| 5747628 | Polyisocyanates containing ether and urethane groups, a process for their preparation and their use in the production of polyurethane lacquers | Lutz Schmalstieg, Hermann Gruber, Bernd Riberi | 1998-05-05 |
| 5744633 | Process for the production of diurethanes and their use for the production of diisocyanates | Oswald Wilmes, Eberhard Konig, Ernst Kysela | 1998-04-28 |
| 5731458 | Process for thermally cracking carbamic acid esters | Jurgen Dahmer, Dieter Schleenstein, Heinrich Steude, Oswald Wilmes, Christian Rasp +3 more | 1998-03-24 |
| 5716676 | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor | Detlef-Ingo Schutze, Wilhelm Thoma, Josef Pedain, Reinold Schmitz | 1998-02-10 |
| 5629402 | Coating compositions and their use for the preparation of coatings permeable to water vapor | Josef Pedain, Detlef-Ingo Schutze, Wilhelm Thoma | 1997-05-13 |
| 5473011 | Polyisocyanate mixtures, a process for their preparation and their use as cross-linking agents in coating compositions | Hans-Josef Laas, Rainer Rettig, Reinhard Halpaap | 1995-12-05 |
| 5334637 | Isocyanatocarboxylic acids, a process for their preparation and their use in coating compositions as cross-linking agents | Christian Zwiener, Rainer Rettig, Josef Pedain, Dieter Arlt | 1994-08-02 |
| 5306740 | Process for the production of brominated chlorine-substituted poly-1,3-butadiene | Hans-Josef Laas, Heinz-Werner Lucas, Heinrich Konigshofen | 1994-04-26 |
| 5236741 | Process for the production of polyurethane coatings | Christian Zwiener, Josef Pedain, Lothar Kahl | 1993-08-17 |
| 5219975 | Process for the preparation of amines, the amines thus obtained and the use thereof as hardeners for epoxide resins | Lutz Schmalstieg, Karl-Heinz Hentschel, Josef Pedain | 1993-06-15 |
| 5215618 | A process for bonding substrates with an ester group-containing hot melt adhesive | Lutz Schmalstieg, Eduard Haensel, Heinrich Konigshofen, Otto Ganster | 1993-06-01 |
| 5141987 | Aqueous coating compositions containing water dispersible polyurethane polyureas as binders and the coatings produced therefrom | Jurgen Mosbach, Klaus Noll, Hans-Gunter Schmitz, Armin Sickert | 1992-08-25 |