Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8470220 | Method and device for producing polyester granules and/or shaped parts with a low acetaldehyde content | Kurt Hanimann | 2013-06-25 |
| 7674878 | Method for producing non-sticking granules from a polyester material and for the further processing of granules produced in this way | Kurt Hanimann | 2010-03-09 |
| 6544456 | Process of melt-spinning polyester fibers | Raimund Schwarz, Gustav Schutze | 2003-04-08 |
| 6235389 | Polyester fibers and filaments and method for their production | Raimund Schwarz, Gustav Schutze | 2001-05-22 |
| 5866055 | Process for the production of a polyester multifilament yarn | Raimund Schwarz | 1999-02-02 |
| 5716568 | Method for producing polyester bi-component fibers and filaments | Werner Kaegi | 1998-02-10 |
| 5701644 | Method for producing self-crimping polymer bi-component fibers | Werner Kaegi, Gunther Schaech, Rainer Straub, Gerhard Schmidt | 1997-12-30 |
| 5656700 | Process for preparing linear copolyesters containing omega-hydroxycarboxylic acid units | Werner Kagi, Klaus Nothhelfer | 1997-08-12 |
| 5656719 | Condensation injection molding process for producing bottle preforms of polyethylene terephthalate and/or its copolyesters and resultant preforms | Werner Kaegi, Joachim Ensinger, Klaus Nothhelfer | 1997-08-12 |
| 5458478 | Process and apparatus for the direct and continuous modification of polymer melts | Daniel Boni, Hans Luckert | 1995-10-17 |
| 5376702 | Process and apparatus for the direct and continuous modification of polymer melts | Daniel Boni, Hans Luckert | 1994-12-27 |
| 4990297 | Apparatus and method for cooling and conditioning melt-spun material | Albert Blum | 1991-02-05 |
| 4988270 | Apparatus for cooling and conditioning melt-spun material | Albert Blum | 1991-01-29 |