Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769443 | Polymeric compounds containing piperidine radicals and their use as stabilizers for synthetic polymers | — | 1988-09-06 |
| 4751281 | Novel polymeric compounds containing piperidine groups | Valerio Borzatta | 1988-06-14 |
| 4696961 | Polymeric compounds containing piperidine radicals and their use as stabilizers for synthetic polymers | — | 1987-09-29 |
| 4695599 | Use of dipiperidine-di-carbamates as stabilizers for synthetic polymers | — | 1987-09-22 |
| 4618634 | Compounds containing piperidine groups, as stabilizers for synthetic polymers | Valerio Borzatta | 1986-10-21 |
| 4608436 | Piperidine compounds | Valerio Borzatta | 1986-08-26 |
| 4578454 | Polyaminoamides containing polyalkylpiperidine radicals | — | 1986-03-25 |
| 4547548 | Polymeric compounds containing piperidine and triazine radicals, process for their preparation, and their use as stabilizers for synthetic polymers | — | 1985-10-15 |
| 4546148 | Polymeric compounds, containing piperidine radicals, a process for their preparation, and their use as stabilizers for synthetic polymers | — | 1985-10-08 |
| 4536581 | Process for preparing 2,2,6,6-tetramethyl-4-piperidone | Paolo Cassandrini | 1985-08-20 |
| 4525503 | Piperidine derivatives which are stabilizers for synthetic polymers | — | 1985-06-25 |
| 4501837 | Piperidine derivatives which are stabilisers for synthetic polymers | — | 1985-02-26 |
| 4459395 | Piperidyl derivatives of triazine copolymers, processes for their preparation and stabilized composition containing these derivatives | — | 1984-07-10 |
| 4442250 | Piperidyl derivatives of macrocyclic triazine compounds, possessing a stabilizing activity for polymers, and processes for their preparation | — | 1984-04-10 |
| 4369321 | Piperidine derivatives which are stabilizers for synthetic polymers | — | 1983-01-18 |
| 4316025 | Piperidine compounds | Paolo Cassandrini | 1982-02-16 |
| 4279804 | Piperidine compounds and their use as stabilizers for synthetic polymers | Paolo Cassandrini | 1981-07-21 |
| 4238388 | Derivatives of 1,3,5-triazacycloheptane-2,4-dione and their use as polymer stabilizers | Paolo Cassandrini | 1980-12-09 |