Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201998 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Rosemarie Topfl, Michael Bernheim, Hans Wegmuller, Peter Rohringer, Dieter Werthemann | 1993-04-13 |
| 5110582 | Hair-setting preparation | Walter Hungerbuhler | 1992-05-05 |
| 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, Peter Rohringer | 1988-04-12 |
| 4735685 | Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Peter Rohringer | 1988-04-05 |
| 4627889 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Peter Rohringer, Hans Wegmuller, Dieter Werthemann | 1986-12-09 |
| 4623428 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Peter Rohringer, Hans Wegmuller, Dieter Werthemann | 1986-11-18 |
| 4460568 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds, their preparation, and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1984-07-17 |
| 4460570 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1984-07-17 |
| 4460567 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1984-07-17 |
| 4460569 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1984-07-17 |
| 4454114 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds, and their use in cosmetics for the hair | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1984-06-12 |
| 4440744 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds, and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1984-04-03 |
| 4419344 | Quaternary, copolymeric, high molecular weight ammonium salts based on acrylic compounds, their preparation, and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1983-12-06 |
| 4393886 | Mixtures of quaternary, polymeric, high molecular weight ammonium salts, which are based on acrylic compounds, and surfactants, their preparation, and their use in cosmetics | Dieter Strasilla, Laszlo Moldovanyi, Charles Fearnley | 1983-07-19 |