Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084549 | Liquid crystalline compounds, their production and their use as modifiers for polycarbonates, polyester carbonate and polyesters | Harald Pierlartzik, Rolf-Volker Meyer, Ralf Dujardin, Axel Schnitzler | 1992-01-28 |
| 5071905 | Mixtures of polyarylene sulfides, glass fibers and silanes containing nitro groups | Burkhard Kohler, Hans-Detlef Heinz, William C. Bushong | 1991-12-10 |
| 4968761 | Process of fusing polyarylene sulfide with sulfonic acid salt | Burkhard Kohler, Rolf-Volker Meyer, Hans-Detlef Heinz | 1990-11-06 |
| 4921935 | Preparation of polyarylene sulphides with ketone or pinacone | Ernst-Ulrich Dorf, Franz Alfes | 1990-05-01 |
| 4889911 | Process for the production of fully aromatic, thermotropic polyesters and polyester carbonates | Harald Pielartzik, Wolfgang Ebert, Rolf-Volker Meyer, Edgar Ostlinning | 1989-12-26 |
| 4886869 | Thermotropic aromatic polyester carbonates, a process for their preparation and their use | Harald Pielartzik, Rolf Dhein, Rolf-Volker Meyer, Edgar Ostlinning | 1989-12-12 |
| 4856342 | Process and device for measuring the adhesion of fibres in fibre-reinforced synthetic materials | Ludwig Bottenbruch, Andreas Hampe, Klaus Schumacher | 1989-08-15 |
| 4731121 | Viscous cellulose-containing mixture (paste) and use thereof in the production of aqueous coating dispersions | Erhard Luhmann, Lutz Hoppe, Klaus Szablikowski | 1988-03-15 |
| 4684691 | Process for the production of siccativated aqueous lacquers with polybutadiene/maleic acid anhydride adducts as bonding agent | Hans-Georg Stahl, Peter Hohlein, Lothar Fleiter, Jurgen Schwindt | 1987-08-04 |
| 4585828 | Emulsifiable radiation-curable acryloyl-containing polyesters, a process for their preparation and their use | Jurgen Meixner, Wolfgang Kremer, Manfred Muller | 1986-04-29 |
| 4562274 | Process for the preparation and isolation of polyglycidyl compounds | Gebhard Rauleder, Helmut Waldmann, Ludwig Bottenbruch, Wolfgang Gau | 1985-12-31 |
| 4451509 | Radiation-hardenable aqueous binder emulsions of acrylate prepolymer with unsaturated polyester emulsifier having benzyloxy and alkylene-oxy groups | Walter Frank, Otto Bendszus, Jurgen Meixner, Hans-Joachim Freier | 1984-05-29 |
| 4439591 | Process for the production of blocked compounds optionally containing free hydroxyl groups and their use for the production of polyurethanes | Hans-Ulrich Buschhaus, Kurt Findeisen, Wolfgang Beer | 1984-03-27 |
| 4404298 | Aqueous dispersions based on cellulose nitrates, polyester of alkyd resins and aminoplast resins, processes for the production thereof and the use thereof for the production of coatings | Wolfgang Kremer | 1983-09-13 |
| 4383902 | Photopolymerizable polyester resins, a process for their production and their use as lacquer binders | Walter Frank, Otto Bendszus, Hans-Joachim Freier | 1983-05-17 |
| 4304695 | Air-drying, fatty acid-modified lacquer binders, based on fumaric or maleic acid bis-glycidyl ester copolymers | Peter Hohlein, Lothar Fleiter, Ludwig Bottenbruch | 1981-12-08 |
| 4303567 | Process for the production of thinlayer polyester coatings | Walter Frank, Otto Bendszus, Hansjoachim Freier | 1981-12-01 |
| 4281068 | Aqueous polyester emulsions for the production of open-pore coatings | Walter Frank, Otto Bendszus, Hans-Joachim Freier | 1981-07-28 |
| 4272420 | Aqueous polyester emulsions and the use thereof for the production of particularly thin-layer coatings | Walter Frank, Otto Bendszus, Hans-Joachim Freier | 1981-06-09 |
| 4253918 | Air-drying coating compositions | Hans J. Rosenkranz, Hans Rudolph | 1981-03-03 |