Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947831 | Sulfoxides or sulfones grafted onto polymers | Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Michèle Gerster | 2011-05-24 |
| 7615522 | Polymers produced by atom transfer radical polymerisation technique with structurally modified terminal groups | Hugo Camenzind, Peter Hänggi, Roger Martin, Andreas Muhlebach, Francois Rime | 2009-11-10 |
| 7176168 | Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant | Walter D. Vann, Liehpao O. Farng, Angela S. Galiano-Roth, Marcia G. Rogers, Miles J. Hutchings | 2007-02-13 |
| 7160955 | Sulfoxides or sulfones grafted onto polymers | Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Michèle Gerster | 2007-01-09 |
| 7026438 | Liquid phenolic sulphur-containing antioxidants | Hugo Camenzind, Roger Martin, David Eliezer Chasan, Gunnar Demme, James Robbins | 2006-04-11 |
| 6750184 | Lubricants with 5-tert.-butyl-4-hydroxy-3-methylphenyl substituted fatty acid esters | Marc Ribeaud, Serge Laemlin | 2004-06-15 |
| 6596796 | Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex | Hans-Rudolf Meier, Gerrit Knobloch, Samuel Evans | 2003-07-22 |
| 6586606 | Process for the preparation of 3-aryl-benzofuran-2-ones | Michèle Gerster | 2003-07-01 |
| 6448208 | Liquid polyfunctional additives | Roger Martin, Samuel Evans, Stephan Allenbach, Marc Ribeaud | 2002-09-10 |
| 6407231 | Process for the preparation of a mixture of alkylated phenothiazines and diphenylamines | Samuel Evans, Stephan Allenbach | 2002-06-18 |
| 6296677 | Liquid polyfunctional additives for improved fuel lubricity | Marc Ribeaud, Michael Rasberger, Samuel Evans | 2001-10-02 |
| 6127327 | Polymeric multifunctional lubricant additives | Hugo Camenzind | 2000-10-03 |
| 6046263 | Liquid antioxidants as stabilizers | Michael Rasberger, Samuel Evans, Stephan Allenbach | 2000-04-04 |
| 6015899 | Liquid antioxidants as stabilizers | Roger Martin, Samuel Evans | 2000-01-18 |
| 5932642 | Cyclic phosphinic acid derivatives as stabilizers | Peter Nesvadba | 1999-08-03 |
| 5739341 | Liquid antioxidants as stabilizers | Roger Martin, Samuel Evans | 1998-04-14 |
| 5668206 | Liquid antioxidants as stabilizers | Roger Martin, Samuel Evans | 1997-09-16 |
| 5663128 | Liquid antioxidants as stabilizers | Samuel Evans, Hugo Camenzind | 1997-09-02 |
| 5510402 | Carboxylic acid esters of hydroxyphenylalkanols as stabilizers | Rita Pitteloud | 1996-04-23 |
| 5478875 | Liquid antioxidants as stabilizers | Roger Martin, Samuel Evans | 1995-12-26 |
| 5473003 | Alkanediphenols | Rita Pitteloud, Bernard Gilg | 1995-12-05 |
| 5427701 | Substituted phenols as stabilizers | Hans-Rudolf Meier, Samuel Evans | 1995-06-27 |
| 5376290 | Substituted phenols as stabilizers | Hans-Rudolf Meier, Samuel Evans | 1994-12-27 |
| 5356976 | 2,4-dialkyl-6-sec- alkylphenols | Rita Pitteloud | 1994-10-18 |
| 5328621 | Dithiophosphates as antiwear additives | Hugo Camenzind | 1994-07-12 |