Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737239 | Process for the manufacture of paper or cardboard which is sized under alkaline or neutral conditions with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Hubert Meindl | 1988-04-12 |
| 4735685 | Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Hubert Meindl | 1988-04-05 |
| 4627889 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Hubert Meindl, Hans Wegmuller, Dieter Werthemann | 1986-12-09 |
| 4623428 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Hubert Meindl, Hans Wegmuller, Dieter Werthemann | 1986-11-18 |
| 4382884 | Fire-retardant, intumescent composition and its use for the flameproofing of substrates, and as a fire-extinguishing agent comprising an ammonium salt, a water-soluble nitrogen compound as a blowing agent and dextrin | Rene Berini | 1983-05-10 |
| 4301217 | Method of flameproofing wood with inorganic ammonium salts and dicyandiamide/formaldehyde reaction products | Hans Wegmuller | 1981-11-17 |
| 4288489 | Process for flameproofing organic fibrous material with phosphonic acid salts | Hermann Nachbur | 1981-09-08 |
| 4243418 | Compositions for fireproofing polyester fiber materials with substituted sulphurylamides | Hermann Nachbur, Armin Hiestand | 1981-01-06 |
| 4234341 | s-Triazine, process for producing it and its use for fireproofing polyester fiber materials | Armin Hiestand | 1980-11-18 |
| 4219605 | Process for flameproofing synthetic fibre material and product | — | 1980-08-26 |
| 4211814 | Method for the fireproofing of synthetic fiber material | Hermann Nachbur | 1980-07-08 |