Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875941 | Polyvinyl acetal with reduced flowability | Daniel Wenzlik, Takeshi Kusudo, Uwe Keller | 2020-12-29 |
| 10603882 | Multilayer film comprising layer of plasticized polyvinyl acetal with reduced flowability | Daniel Wenzlik, Takeshi Kusudo, Philipp Lellig, Uwe Keller | 2020-03-31 |
| 9303102 | Process for preparing polyvinyl acetal by acid-catalyzed reaction | Masako Katayama | 2016-04-05 |
| 9034984 | Ion-conductive thermoplastic composition, electrochromic composite system and process for producing ion-conductive foil | Holger Stenzel, Alexander Kraft, Karl-Heinz Heckner, Matthias Rottmann, Bernd Papenfuhs | 2015-05-19 |
| 8920930 | Film laminates having damping properties containing a sub-layer made of plasticizer-containing polyvinyl (iso)acetal | Markus Meise, Jan Beekhuizen, Uwe Keller, Michael Frank | 2014-12-30 |
| 8741438 | Composite glazing having films containing softening agents having low tendency to creep | Uwe Keller | 2014-06-03 |
| 8597792 | High-strength film laminates having layers of plasticizer-containing polyvinyl (N)acetal and plasticizer-containing polyvinyl (ISO)acetal | Markus Meise, Jan Beekhuizen, Uwe Keller, Michael Frank | 2013-12-03 |
| 8313838 | Multilayer films or plasticizer-containing polyvinyl acetal with sound-absorbing properties | Jan Beekhuizen, Uwe Keller, Kouichiro Isoue | 2012-11-20 |
| 8188182 | Ion-conductive thermoplastic compositions for electrochromic glazing | Holger Stenzel, Alexander Kraft, Karl-Heinz Heckner, Matthias Rottmann, Bernd Papenfuhs | 2012-05-29 |
| 8039112 | Interlayer films for laminated glazing containing silica with specific refractive index | Uwe Keller, Takashi Wakui, Nobuhiro Moriguchi | 2011-10-18 |
| 7846855 | Nonwoven fabrics and laminates made by using the same | Toshimitsu Harada, Soichi Obata, Hideo Hayashi, Yasurou Araida, Tomoaki Kimura | 2010-12-07 |
| 7528192 | Crosslinked polyvinyl acetals | Bernd Papenfuhs, Matthias Gutweiler | 2009-05-05 |
| 7511096 | Crosslinked polyvinyl acetals | Bernd Papenfuhs, Matthias Gutweiler | 2009-03-31 |
| 7358304 | High-molecular, crosslinked polyvinyl butyrals, method for the production and use thereof | Bernd Papenfuhs, Simon Jonas | 2008-04-15 |
| 7312275 | Cross-linked polyvinyl acetals | Bernd Papenfuhs, Simon Jonas | 2007-12-25 |
| 6984679 | Plasticizer-containing polyvinylbutyrals, method for producing the same and the use thereof, especially for producing films for use in laminated safety glasses | Bernd Papenfuhs | 2006-01-10 |