Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844060 | Elastane yarn having a linear density of at least 2500 dtex and a cross-sectional width to height ratio of at least 4:1 | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz | 2005-01-18 |
| 6830715 | Method and device for producing elastane threads from recycling material | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Helmut Judat | 2004-12-14 |
| 6774064 | Elastane package | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz | 2004-08-10 |
| 6699414 | Method of producing elastane fiber by wet spinning | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Günter Spilgies | 2004-03-02 |
| 6675442 | Method for the storing of elastan filaments with coarse tires | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz | 2004-01-13 |
| 6602453 | Process of making elastane yarn | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz | 2003-08-05 |
| 6492021 | Elastane fiber | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Günter Spilgies | 2002-12-10 |
| 5961908 | Apparatus and a process for the production of elastane filaments | Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz | 1999-10-05 |
| 5813068 | Apparatus and a process for washing continuously wet-spun elastane | Gunter Turck, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Gino Antolini | 1998-09-29 |
| 5756205 | Process for preparing multifilament, wet-spun elastane threads | Gunter Turck, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Gino Antolini | 1998-05-26 |
| 5741867 | Process for adjusting the viscosity of highly concentrated elastane solutions for the dry spinning or wet spinning of elastane fibres | Gunter Turck, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Gino Antolini | 1998-04-21 |
| 5670105 | Process for preparing multifilament wet-spun elastane threads | Gunter Turck, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Gino Antolini | 1997-09-23 |
| 5610229 | Process for adjusting the viscosity of highly concentrated elastane solutions for the dry spinning or wet spinning of elastane fibres | Gunter Turck, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Gino Antolini | 1997-03-11 |
| 5057260 | Spinning of segmented polyurethane-urea elastomers in a steam atmosphere | Heinz Gall, Josef Kulig, Rudi Dauscher, Rolf-Burkhard Hirsch | 1991-10-15 |
| 5028369 | Process for the production of hydrophilic acrylic fibers | Gunter Turck, Egon Kunzel, Dieter Paulini, Dieter Heinkes | 1991-07-02 |
| 5015428 | Pan dry spinning process of increased spinning chimney capacity using superheated steam as the spinning gas medium | Gunter Turck, Rolf-Burkhard Hirsch, Hermann-Josef Jungverdorben | 1991-05-14 |
| 5013502 | Continuous production of acrylonitrile filaments and fibers from spinning material of low residual solvent content | Rolf-Burkhard Hirsch, Hermann-Josef Jungverdorben, Joachim Dross | 1991-05-07 |
| 5013504 | Dry spinning process with hot air and with spinning cell outputs greater than 20 kg per cell per hour | Gunter Turck, Rolf-Burkhard Hirsch, Hermann-Josef Jungverdorben | 1991-05-07 |
| 4854021 | Stufferbox crimper and process for preparing crimped synthetic fibers | Christian Pieper, Rolf-Burkhard Hirsch, Hermann-Josef Jungverdorben, Jakob Breuer | 1989-08-08 |
| 4842793 | Process for wetting thread bundles with liquids | Rolf-Burkhard Hirsch, Joachim Dross, Hermann-Josef Jungverdorben | 1989-06-27 |
| 4810448 | Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments | Kurt Bernklau, Toni Herbertz, Hermann-Josef Jungverdorben, Hans K. Burghartz | 1989-03-07 |
| 4810449 | Process for the production of hydrophilic polyacrylonitrile filaments or fibers | Frank Druschke, Peter Kleinschmidt | 1989-03-07 |
| 4773109 | Process for conditioning synthetic fiber material | Rolf-Burkhard Hirsch, Wolfram Wagner, Erich Hilgeroth | 1988-09-27 |
| 4718257 | Process and an apparatus for conditioning synthetic fiber material | Rolf-Burkhard Hirsch, Wolfram Wagner, Erich Hilgeroth | 1988-01-12 |
| 4714045 | Device for wetting threads, films or thread bundles with liquids | Rolf-Burkhard Hirsch, Joachim Dross, Hermann-Josef Jungverdorben | 1987-12-22 |