Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793772 | Use of melamine resin fibers and insulating materials based on melamine resin fibers and polyalkylene terephthalate fibers | Karl-Heinz Ott | 2004-09-21 |
| 6500371 | Continuous method for producing amino- and/or phenoplasts | Hans Etling, Erhard Guenther, Tilman Sirch, Hans D. Zettler | 2002-12-31 |
| 6297178 | Flameproof fabrics based on melamine resin fibres | Agidius Eckel, Hans-Dieter Eichhorn, Karl-Heinz Ott | 2001-10-02 |
| 5916999 | Process for producing filaments from melamine/formaldehyde condensation products | Hartmut Gihr, Uwe Rachwalsky, Hans D. Zettler | 1999-06-29 |
| 5888652 | Metal coated melamine resin fiber and natural fiber mixture | Hans-Dieter Eichhorn, Karl-Heinz Ott | 1999-03-30 |
| 5560990 | Fiber blend | Otto M. Ilg, Dominick A. Burlone, William Theuer, Gernot Herbst, Karl-Heinz Ott +1 more | 1996-10-01 |
| 5494616 | Production of fibers by centrifugal spinning | Heinz Voelker, Hans D. Zettler, Wolfgang Fath | 1996-02-27 |
| 5478640 | Electrical insulating paper | Gernot Herbst, Karl-Heinz Ott, Hans D. Zettler | 1995-12-26 |
| 5322915 | Modified melamine-formaldehyde resins | Juergen Weiser, Wolfgang Reuther, Rolf Fikentscher, Wolfgang Fath, Hans D. Zettler +1 more | 1994-06-21 |
| 5162487 | Melamine resin moldings having increased elasticity | Juergen Weiser, Wolfgang Reuther, Gerhard Turznik, Wolfgang Fath, Onno Graalmann | 1992-11-10 |
| 5084488 | Melamine resin moldings having increased elasticity | Juergen Weiser, Wolfgang Reuther, Gerhard Turznik, Wolfgang Fath, Onno Graalmann | 1992-01-28 |
| 4996289 | Continuous preparation of aqueous melamine/formaldehyde precondensate solutions | Klaus Ebel, Michael Kuczaty, Bernhard Seid, Frank P. Woerner, Hans D. Zettler | 1991-02-26 |
| 4557969 | Sheet-like packing material of melamine or phenol resin fibers | Bernhard Seid, Heinz Voelker, Hans D. Zettler | 1985-12-10 |
| 4219512 | Manufacture of fibrids from polymers | Richard E. Sinn, Otto Nagel, Bruno Sander, Eckhard Bonitz, Kurt Scherling +2 more | 1980-08-26 |
| 4210615 | Manufacture of thermoplastics fibrids | Peter Engler, Otto Nagel, Leo Unterstenhofer, deceased, Hans Frielingsdorf, Heinz Mueller-Tamm +1 more | 1980-07-01 |