Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298178 | Triazole compounds useful as metal deactivators | Robert M. O'Neil | 1994-03-29 |
| 5273669 | Lubricant composition | Rolf Schumacher, Samuel Evans | 1993-12-28 |
| 5258540 | Cyclohexyl substituted hydroxybenyzlphosphonates | Werner Stegmann, Reto Luisoli, Roger Martin | 1993-11-02 |
| 5258433 | Sulfoxides of alkylthiomethylphenols | Hans-Rudolf Meier | 1993-11-02 |
| 5206414 | Process for the preparation of hydroxyphenylpropionic acid esters | Samuel Evans, Milos Rusek, Zdenek Mazour, Arpad Major | 1993-04-27 |
| 5175312 | 3-phenylbenzofuran-2-ones | Rita Pitteloud | 1992-12-29 |
| 5157141 | Process for the preparation of hydroxybenzylphosphonates | Werner Stegmann, Reto Luisoli, Roger Martin | 1992-10-20 |
| 5133890 | Triazole compounds useful as metal deactivators | Robert M. O'Neil | 1992-07-28 |
| 5098945 | 2,4-dimethyl-6-s-alkylphenols | Rita Pitteloud | 1992-03-24 |
| 5073278 | Lubricant composition | Rolf Schumacher, Samuel Evans | 1991-12-17 |
| 5045577 | Process for the preparation of heat-stable olefin polymers | Rolf Mulhaupt | 1991-09-03 |
| 5008459 | Substituted phenols as stabilizers | Hans-Rudolf Meier, Samuel Evans | 1991-04-16 |
| 4923992 | Process for the preparation of bis(2,2,6,6-tetramethyl-4-piperidyl)amine | Graziano Vignali, Giovanni De Roit, Peter Baumeister | 1990-05-08 |
| 4863982 | Isocyanuric acid derivatives | Werner Stegmann, Eduard Troxler, Peter Hofmann, Hans-Rudolf Meier | 1989-09-05 |
| 4820756 | Thioether substituted phenols and their use as stabilizers | Rita Pitteloud | 1989-04-11 |
| 4810740 | Stabilized organic material | Rita Pitteloud | 1989-03-07 |
| 4798822 | Selected 3,9-di(2,2,6,6-tetramethyl-4-piperidyl)-2,4,8,10-tetraoxa-3,9-diphosphas piro [5,5]undecanes | Michael Rasberger, Peter Hofmann, Hans-Rudolf Meier | 1989-01-17 |
| 4734210 | Additives for lubricant compositions | Hugo Camenzind | 1988-03-29 |
| 4699939 | Ortho cyclohexyl, para hydroxy aralkanoic acid esters and amide antioxidants | Ivan Orban, Hans-Rudolf Meier, Samuel Evans, Peter Hofmann | 1987-10-13 |
| 4692258 | Tetrahydroquinolines as antioxidants for lubricants | Michael Rasberger, Samuel Evans | 1987-09-08 |
| 4661594 | Certain [(2,2,6,6-tetramethyl-4-piperidyl)amino]-1,3,2-dioxaphosphorinanes useful as stabilizers for protecting resins | Michael Rasberger, Peter Hofmann, Hans-Rudolf Meier | 1987-04-28 |
| 4237290 | Process for making asymmetrical disulfides | Heiner Kuntzel | 1980-12-02 |
| 4188488 | Odorant and/or flavoring disulphides, compositions containing same and process for making same | Heiner Kuntzel | 1980-02-12 |