Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562148 | Basic stabilisation systems for emulsion polymerised rubber | Pierre Rota-Graziosi | 2017-02-07 |
| 9309379 | Basic stabilisation systems for emulsion polymerised rubber | Pierre Rota-Graziosi | 2016-04-12 |
| 8119710 | Filled rubber compounds with improved processability | Michèle Gerster, Pierre Rota-Graziosi, Francesco Fuso | 2012-02-21 |
| 8101679 | Processing stabilizers for rubber compounding | Eva Peregi, Pierre Rota-Graziosi | 2012-01-24 |
| 7947831 | Sulfoxides or sulfones grafted onto polymers | Hans-Rudolf Meier, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michèle Gerster | 2011-05-24 |
| 7799951 | Non-staining antidegradants for vulcanized elastomers | Michèle Gerster, Hans-Rudolf Meier, Pierre Rota-Graziosi | 2010-09-21 |
| 7790897 | Graftable hindered amine light stabilizers | Hans-Rudolf Meier | 2010-09-07 |
| 7723409 | Coupling agents between filler and elastomer | Francesco Fuso, Michèle Gerster, Pierre Rota-Graziosi | 2010-05-25 |
| 7504510 | Graftable hindered amine light stabilizers | Hans-Rudolf Meier | 2009-03-17 |
| 7217841 | Stabilizers and antiozonants for elastomers | Hans-Rudolf Meier, Samuel Evans | 2007-05-15 |
| 7160955 | Sulfoxides or sulfones grafted onto polymers | Hans-Rudolf Meier, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michèle Gerster | 2007-01-09 |
| 6797755 | Stabilizers and antiozonants for elastomers | Hans-Rudolf Meier, Samuel Evans | 2004-09-28 |
| 6596796 | Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex | Hans-Rudolf Meier, Paul Dubs, Samuel Evans | 2003-07-22 |
| 6365653 | Thiodipropionic acid bisamides as stabilizers for nonblack elastomers | Hans-Rudolf Meier | 2002-04-02 |
| 6365781 | Process for the preparation of mercaptomethylphenois | Fabio Pizzoli, Reto Luisoli, Hans-Rudolf Meier | 2002-04-02 |
| 6140397 | Stabilizers and anti-ozonants for elastomers | Hans-Rudolf Meier, Peter Nesvadba | 2000-10-31 |
| 6028131 | Antioxidants containing phenol groups and aromatic amine groups | Hans-Rudolf Meier | 2000-02-22 |
| 5574085 | Stabilisation of black-filled rubber | — | 1996-11-12 |
| 5276258 | Stabilizer mixture for elastomers | Heinrich Martin | 1994-01-04 |
| 5116894 | Stabilizer mixtures for elastomers | — | 1992-05-26 |
| 5059661 | Phenolic compounds as chain-terminators for the anionic solution polymerization of dienes | — | 1991-10-22 |
| 4857572 | Substituted phenols as stabilizers | Hans-Rudolf Meier | 1989-08-15 |
| 4396552 | Novel metal mercaptides of esters of .beta.-mercaptoalkanols | Wolfgang Wehner, Hermann O. Wirth | 1983-08-02 |
| 4244842 | Nickel and cobalt chelate complexes and their use | Hans Batzer, Joel Sinnreich | 1981-01-13 |