Issued Patents All Time
Showing 76–100 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455706 | Polymerizable compositions containing alkoxyamine compounds derived from nitroso- or nitrone compounds | Andreas Kramer, Alfred Steinmann, Werner Stauffer | 2002-09-24 |
| 6417358 | Process for the preparation of 3-aryl-benzofuranones | Michael Tinkl, Samuel Evans | 2002-07-09 |
| 6359148 | 3-arylbenzofuranones as stabilizers | Samuel Evans, Christoph Krohnke, Jurg Zingg | 2002-03-19 |
| 6353107 | 1-alkoxy-polyallkyl-piperidine derivatives and their use as polymerization regulators | Andreas Kramer | 2002-03-05 |
| 6346630 | 3-Arylbenzofuranones as stabilizers | Samuel Evans, Christoph Krohnke, Jurg Zingg | 2002-02-12 |
| 6323267 | Isoxindigos useful as colorants and preparation thereof | Joachim Jandke | 2001-11-27 |
| 6281361 | Dibenzonaphthyrones | Joachim Jandke | 2001-08-28 |
| 6262206 | Polymerizable compositions containing alkoxyamine compounds derived from nitroso- or nitrone compounds | Andreas Kramer, Alfred Steinmann, Werner Stauffer | 2001-07-17 |
| 6140397 | Stabilizers and anti-ozonants for elastomers | Hans-Rudolf Meier, Gerrit Knobloch | 2000-10-31 |
| 5932642 | Cyclic phosphinic acid derivatives as stabilizers | Paul Dubs | 1999-08-03 |
| 5814692 | 3-arylbenzofuranones as stabilizers | — | 1998-09-29 |
| 5807505 | Benzofuran-2-ones as stabilizers | Samuel Evans | 1998-09-15 |
| 5773631 | 3-arylbenzofuranones as stabilizers | Samuel Evans, Christoph Krohnke, Jurg Zingg | 1998-06-30 |
| 5750765 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1998-05-12 |
| 5726339 | Thiocarbonyl allophanate derivatives used as lubricants | Hugo Camenzind | 1998-03-10 |
| 5693829 | Benzofuran-2-ones as stabilizers | Samuel Evans | 1997-12-02 |
| 5670692 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1997-09-23 |
| 5629440 | Lubricant composition | Hugo Camenzind | 1997-05-13 |
| 5618871 | Phenyl phosphites for use as stabilizers for organic materials | — | 1997-04-08 |
| 5616774 | Inhibition of unsaturated monomers with 7-aryl quinone methides | Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1997-04-01 |
| 5614572 | Benzofuran-2-ones as stabilizers | Samuel Evans | 1997-03-25 |
| 5607624 | Process for the preparation of 3-arylbenzofuranones | Samuel Evans, Ralf Lorenz Schmitt | 1997-03-04 |
| 5583247 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter | 1996-12-10 |
| 5516920 | 3-arylbenzofuranones | Samuel Evans, Christoph Krohnke, Jurg Zingg | 1996-05-14 |
| 5488117 | 3-(acyloxyphenyl)benzofuran-2-one stabilisers | — | 1996-01-30 |