Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7435086 | Endodontic tool having reduced torque demands | Elio Vincenzo Giovanni Berutti, Arnaldo Castellucci | 2008-10-14 |
| 7300281 | Endodontic file having bi-directional scraping edges | Arnaldo Castellucci, Elio Vincenzo Giovanni Berutti | 2007-11-27 |
| 5306495 | Compounds containing substituted piperidine groups for use as stabilizers for organic materials | Graziano Vignali | 1994-04-26 |
| 5198546 | Piperidine-triazine compounds for use as stabilizers for organic materials | Valerio Borzatta | 1993-03-30 |
| 5134233 | Piperidine-triazine compounds containing silane groups | Valerio Borzatta, Graziano Vignali | 1992-07-28 |
| 5116893 | Piperidylaminotriazine derivatives and their use as stabilizers | Valerio Borzatta, Franca Masina | 1992-05-26 |
| 5047531 | Piperidine-triazine compounds for use as stabilizers for organic materials | Graziano Vignali | 1991-09-10 |
| 5039722 | Piperidine-triazine compounds for use as stabilizers for organic materials | Valerio Borzatta | 1991-08-13 |
| 5030729 | Piperidine compounds and their use as stabilizers | Valerio Borzatta | 1991-07-09 |
| 5026749 | Piperidine compounds for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic material | Valerio Borzatta, Franca Masina | 1991-06-25 |
| 4999392 | Novel piperidine compounds | Valerio Borzatta | 1991-03-12 |
| 4997938 | Piperidylaminotriazine derivatives and their use as stabilizers | Valerio Borzatta, Franca Masina | 1991-03-05 |
| 4992493 | Piperidine-triazine compounds for use as stabilizers for organic materials | Valerio Borzatta, Franca Masina | 1991-02-12 |
| 4987228 | Polytriazine compounds containing recurring piperidylamidinotriazine structural units and their use as stabilizers for organic materials | Valerio Borzatta | 1991-01-22 |
| 4948889 | Triazine compounds derived from 2,2,6,6-tetramethylpiperidine | Franca Masina, Valerio Borzatta | 1990-08-14 |
| 4933451 | Polyamines partially substituted by bis-piperidyl-triazines | Valerio Borzatta, Franca Masina | 1990-06-12 |
| 4927925 | Piperidine compounds and their use as thermal stabilizers | Valerio Borzatta | 1990-05-22 |
| 4927930 | Polyamines partially substituted by piperidine-triazines | Valerio Borzatta, Franca Masina | 1990-05-22 |
| 4906678 | 1,2,2,6,6-Pentamethyl-4-piperidylaminotriazine derivatives and their use as stabilizers | Francois Gugumus | 1990-03-06 |
| 4883870 | Piperidine-triazine compounds for use as stabilizers for organic materials | Valerio Borzatta, Franca Masina | 1989-11-28 |
| 4859724 | Bicyclic piperidine compounds for use as stabilizers for organic materials | Valerio Borzatta | 1989-08-22 |
| 4855434 | Piperidine compounds | Valerio Borzatta | 1989-08-08 |
| 4843159 | Triazine derivatives of piperidinylamidines | Valerio Borzatta | 1989-06-27 |
| 4803234 | Piperidine compounds and their use as anti-oxidative, light or thermal induced degradation agents | Valerio Borzatta | 1989-02-07 |
| 4780493 | Novel piperidine compounds | Valerio Borzatta | 1988-10-25 |