Issued Patents All Time
Showing 76–100 of 146 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011972 | Bisesters of unsaturated carboxylic acids, their production and their use in curable mixtures | Helmut-Martin Meier, Harald Pielartzik, Leo Morbitzer, Dietrich Braun | 1991-04-30 |
| 4988549 | Multilayered moulded products based on polyamides | Rolf-Volker Meyer, Friedrich Fahnler, Martin Wandel, Hans-Detlef Heinz | 1991-01-29 |
| 4980441 | Liquid crystalline bis-chlorocarbonic acid esters, a process for their preparation and liquid crystalline n-alkyl polyurethanes and polycarbonates prepared from them | Bernhard Jansen, Wolfgang Calaminus, Rolf Dhein | 1990-12-25 |
| 4965292 | Process for strengthening geological formations | Manfred Kapps, Peter Vehlewald, Frank Meyer, Wolfgang Cornely, Hans Mehesch | 1990-10-23 |
| 4945137 | Binder combinations and a process for the production of flat materials | Walter Schafer, Hans Rudolph, Rolf Dhein, Michael Sonntag, Christian Wamprecht +2 more | 1990-07-31 |
| 4929705 | New polyisocyanate-polyaddition compounds, a process for their preparation and their use for the dispersion of solids | Jan Mazanek, Ulrich von Gizycki, Martin Wienkenhover, Karl-Heinz Wieser, Volker Paulat +2 more | 1990-05-29 |
| 4921996 | Isocyanato-acylurethanes, a process for their preparation and their use | Walter Schafer, Tillmann Hassel | 1990-05-01 |
| 4918135 | Process for the preparation of aqueous polymer dispersions the dispersions obtained by the process and their use for the production of coatings | Joachim Probst, Walter Schafer, Klaus Schuster, Heinrich Alberts, Adolf Schmidt +1 more | 1990-04-17 |
| 4904750 | Ester-urethane derivatives of (meth)-acrylic acid for dental materials | Jurgen Reiners, Carlhans Suling, Walter Schafer, Wolfgang Podszun, Jens Winkel | 1990-02-27 |
| 4895921 | Water soluble or dispersible blocked polyisocyanates and a process for their preparation and use | Walter Schafer, Rolf Dhein | 1990-01-23 |
| 4868268 | Process for preparing polyurethanes from an organic diisocyanate ester | Roland Gipp | 1989-09-19 |
| 4855484 | Process for the preparation of 4-hydroxyphenyl 4-hydroxybenzoate and the use thereof | Roland Gipp | 1989-08-08 |
| 4851531 | Isocyanurate group-containing polyisocyanates | Reinhard Halpaap, Gerhard Klein, Roland Richter, Josef Pedain, Hans-Joachim Kreuder | 1989-07-25 |
| 4837321 | Process for the preparation of polyisocyanates containing isocyanurate groups | Dimitrios Kerimis | 1989-06-06 |
| 4826948 | Impregnating agent and its use | Bernhard Jansen, Roland Richter, Dietmar Schapel, Rudolf Schmidt | 1989-05-02 |
| 4824595 | Polyisocyanate compositions containing reversibly blocked catalysts and addition products of sulfonyl isocyanates with catalysts having a tin(II)- or tin(IV)-carboxylate structure | Roland Richter, Rudolf Hombach, Manfred Dollhausen, Geza Avar, Hans-Albrecht Freitag | 1989-04-25 |
| 4810536 | Method of impregnating | Bernhard Jansen, Roland Richter, Dietmar Schapel, Rudolf Schmidt | 1989-03-07 |
| 4788224 | Two stage process for the production of molded articles | Walter Uerdingen, Heinrich Heine | 1988-11-29 |
| 4764581 | Liquid-crystalline diglycidyl compounds, the preparation of these, and the use of these in curable epoxide mixtures | Roland Gipp, Heinrich Heine | 1988-08-16 |
| 4762901 | Process for the preparation of polymeric networks having superstructures, corresponding polymeric networks and the use thereof | Rolf Dhein, Helmut-Martin Meier, Roland Gipp | 1988-08-09 |
| 4748974 | Laminated dressing | Roland Richter, Wolfram Mayer, Dietmar Schapel, Dietmar Strache | 1988-06-07 |
| 4739094 | Alkoxylated aminopolyethers, a process for their preparation | Jan Mazanek, Roland Nast, Wolfgang Oberkirch, Franz-Moritz Richter, Walter Schafer | 1988-04-19 |
| 4728676 | Thermosetting reactive resin mixtures and a process for the production of moldings using these mixtures | Dimitrios Kerimis, Heinrich Heine, Walter Uerdingen | 1988-03-01 |
| 4719244 | Polyisocyanate preparations and their use for the production of polyurethane plastics | Bernhard Jansen, Rudolf Hombach | 1988-01-12 |
| 4707386 | Process for the production of sheet structures | Walter Schafer, Rolf Kuchenmeister, Armin Sickert | 1987-11-17 |