Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956049 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Michael Bernheim, Dieter Strasilla, Peter Rohringer | 1990-09-11 |
| 4664673 | Process for protecting keratinous material from attack by insects that feed on keratin and novel phenoxytrifluoromethanesulfonanilides | Manfred Boger, Dieter Reinehr, Werner Schmid | 1987-05-12 |
| 4602912 | Mothproofing and beetleproofing composition: 5-(pyridyloxy- or thiothenylcarbamoyl)barbituric acid | Urs Burckhardt, Jean J. Gallay, Manfred Kuhne, Ernst Beriger, Dieter Reinehr | 1986-07-29 |
| 4503100 | Mothproofing and beetleproofing agent for keratinous material and process | Werner Schmid, Klaus Artz | 1985-03-05 |
| 4399280 | 5-Phenylcarbamoylbarbituric acid compounds | Rene Muntwyler, Werner Schmid | 1983-08-16 |
| 4283444 | Method of protecting keratinous material from attack by insects that feed on keratin by treatment with 5-phenylcarbamoylbarbituric acid compounds | Rene Muntwyler, Werner Schmid | 1981-08-11 |
| 4219593 | Method of protecting keratinous material from attack by insects that feed on keratin | Rene Muntwyler | 1980-08-26 |