Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773631 | 3-arylbenzofuranones as stabilizers | Peter Nesvadba, Christoph Krohnke, Jurg Zingg | 1998-06-30 |
| 5750765 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Peter Nesvadba, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1998-05-12 |
| 5739341 | Liquid antioxidants as stabilizers | Paul Dubs, Roger Martin | 1998-04-14 |
| 5696281 | Liquid phenolic antioxidants | — | 1997-12-09 |
| 5693829 | Benzofuran-2-ones as stabilizers | Peter Nesvadba | 1997-12-02 |
| 5672574 | Stabilizers for organic materials | Stephan Allenbach | 1997-09-30 |
| 5670692 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Peter Nesvadba, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1997-09-23 |
| 5668206 | Liquid antioxidants as stabilizers | Paul Dubs, Roger Martin | 1997-09-16 |
| 5663128 | Liquid antioxidants as stabilizers | Paul Dubs, Hugo Camenzind | 1997-09-02 |
| 5616774 | Inhibition of unsaturated monomers with 7-aryl quinone methides | Matthew E. Gande, Peter Nesvadba, Volker H. von Ahn, Roland A. E. Winter | 1997-04-01 |
| 5614572 | Benzofuran-2-ones as stabilizers | Peter Nesvadba | 1997-03-25 |
| 5607624 | Process for the preparation of 3-arylbenzofuranones | Peter Nesvadba, Ralf Lorenz Schmitt | 1997-03-04 |
| 5583247 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Peter Nesvadba, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1996-12-10 |
| 5520848 | Mixtures and compositions containing phenothiazines | — | 1996-05-28 |
| 5516920 | 3-arylbenzofuranones | Peter Nesvadba, Christoph Krohnke, Jurg Zingg | 1996-05-14 |
| 5503759 | Mixtures of alkylated aromatic amines and phenothiazines | Stephan Allenbach | 1996-04-02 |
| 5481023 | Process for the preparation of hydroxyphenylcarboxylates | Christoph Kleiner, Ralf Lorenz Schmitt | 1996-01-02 |
| 5478875 | Liquid antioxidants as stabilizers | Paul Dubs, Roger Martin | 1995-12-26 |
| 5427701 | Substituted phenols as stabilizers | Hans-Rudolf Meier, Paul Dubs | 1995-06-27 |
| 5413737 | Mixtures and compositions containing phenothiazines | — | 1995-05-09 |
| 5376290 | Substituted phenols as stabilizers | Hans-Rudolf Meier, Paul Dubs | 1994-12-27 |
| 5354486 | Phenol group-containing compounds as anti-oxidants in organic materials | — | 1994-10-11 |
| 5273669 | Lubricant composition | Rolf Schumacher, Paul Dubs | 1993-12-28 |
| 5268113 | Lubricant composition | — | 1993-12-07 |
| 5246606 | Process of stabilizing lubricants, or functional fluids and a composition therefor | — | 1993-09-21 |