Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8585813 | Flame retardant composition for cotton articles | Andreas Eisele, Waltraud Demharter | 2013-11-19 |
| 8303835 | Composition for treatment of fiber materials by exhaust method in particular | Karl-Heinz Lemmer, Reinhold Braun, Walter Nassl | 2012-11-06 |
| 6981998 | Flame-retardant compositions of methanephosphonic acid, boric acid and an organic base | Reinhold Braun, Karl-Heinz Lemmer | 2006-01-03 |
| 5648509 | Process for the preparation of diesters of phosphonocarboxylic acid derivatives | Martina Wanner, Karl-Heinz Lemmer, Reinhold Braun | 1997-07-15 |
| 5498740 | Compositions comprising reaction products of phosphites, quinones and isocyanates | Martina Wanner, Karl-Heinz Lemmer, Reinhold Braun | 1996-03-12 |
| 5320785 | Compositions containing phosphono compounds and organic acids as flameproofing agents | — | 1994-06-14 |