Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559118 | Magnetic recording media | Guenter Heil, Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz +1 more | 1985-12-17 |
| 4525570 | Heat-setting mixtures which have a long shelf life and comprise a polyisocyanate and compounds which are reactive toward isocyanate groups, and their preparation | Rainer Blum, Rolf Osterloh, Gerhard Mosler, Bernhard Rubbert | 1985-06-25 |
| 4507456 | Heat-setting mixtures of a polyisocyanate with a polyol which have a long shelf life, and their preparation | Rainer Blum, Gerhard Holtmann, Rolf Osterloh | 1985-03-26 |
| 4465555 | Water-soluble polymers of di-C.sub.1 -C.sub.3 -alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermaking | Friedrich Linhart, Juergen Hartmann, Dietmar Jung, Heinrich Hartmann | 1984-08-14 |
| 4465599 | Flocculants based on polymers containing water-soluble dialkylaminoneopentyl (meth)acrylates | Hans Burkert, Juergen Hartmann, Dietmar Jung, Wilfried Heide, Heinrich Hartmann | 1984-08-14 |
| 4336309 | Curable coating agents and process for the production of scratch-resistant coatings on plastics | Klaus-Peter Jackel, Gunter Heil | 1982-06-22 |
| 4310565 | Process of making a magnetic recording media | August Lehner, Heinrich Hartmann, Rudolf Bachmann, Albert Kohl, Karl Mahler +1 more | 1982-01-12 |
| 4277576 | Preparation of modified polymers of N-vinylpyrrolid-2-one and their use for the preparation of polymers interrupted by bridge members | Ferdinand Straub, Claus Cordes | 1981-07-07 |
| 4229551 | Preparation of modified polymers of N-vinylpyrrolid-2-one and their use for the preparation of polymers interrupted by bridge members | Ferdinand Straub, Claus Cordes | 1980-10-21 |
| 4189559 | Manufacture of polymers in bead form from water-soluble, ethylenically unsaturated monomers | Uwe Bueltjer, Dietmar Jung, Hans-Uwe Schenck | 1980-02-19 |
| 4182851 | Process for reducing the residual monomer content in the polymerization of vinyl-lactams and vinyl esters | Ferdinand Straub, Hans-Uwe Schenck, Wolfgang Schwarz | 1980-01-08 |