Issued Patents All Time
Showing 26–50 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342613 | Process for the synthesis of 5-(&agr;-hydroxyalkyl) benzo[1,3]dioxols | Dario Brancaleoni | 2002-01-29 |
| 6297299 | Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | Fabrizio Guizzardi | 2001-10-02 |
| 6265473 | Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | James P. Galbo, Nicola Lelli, Jean-Pierre Wolf, Michael Ackerman, Piero Piccinelli | 2001-07-24 |
| 6252092 | Process for synthesis of 5-alkylbenzodioxoles | Dario Brancaleoni, Christian Battistini | 2001-06-26 |
| 6046304 | Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials | Fabrizio Guizzardi | 2000-04-04 |
| 6005036 | Polysilanes | Primo Carrozza, Chryssostomos Chatgilialoglu | 1999-12-21 |
| 5847132 | Polytriazine derivatives containing polyalkylpiperidinyloxy or polyalkylpiperidinylamino groups | Fabrizio Guizzardi, Nicola Lelli | 1998-12-08 |
| 5804622 | Monomeric N-piperidinylmelamines as stabilizers for chlorine-containing polymers | Horst Zinke, Wolfgang Wehner, Karl-Josef Kuhn, Gerhard Rytz | 1998-09-08 |
| 5726226 | Peperidine compounds containing silane groups as stabilizers for organic materials | Primo Carrozza | 1998-03-10 |
| 5696261 | Piperidine-triazine compounds suitable for use as stabilisers for organic materials | Graziano Vignali, Fabrizio Guizzardi | 1997-12-09 |
| 5679794 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Joseph Suhadolnik, Ramanathan Ravichandran, Graziano Vignali | 1997-10-21 |
| 5668198 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Joseph Suhadolnik, Ramanathan Ravichandran, Graziano Vignali | 1997-09-16 |
| 5668199 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Joseph Suhadolnik, Ramanathan Ravichandran, Graziano Vignali | 1997-09-16 |
| 5610211 | 2,2,6,6-tetramethylpiperidine derivatives for use as stabilizing agents for organic materials | Roberto Scrima | 1997-03-11 |
| 5578665 | Piperidine compounds containing silane groups for use as stabilizers for organic materials | Primo Carrozza | 1996-11-26 |
| 5561179 | Piperidine compounds containing silane groups as stabilizers for organic materials | Primo Carrozza | 1996-10-01 |
| 5552464 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Joseph Suhadolnik, Ramanathan Ravichandran, Graziano Vignali | 1996-09-03 |
| 5514738 | 1-hydrocarbyloxy-piperidine compounds containing silane groups for use as stabilizers for organic materials | Primo Carrozza, Ramanathan Ravichandran | 1996-05-07 |
| 5496875 | Derivatives of 2,2,6,6-tetramethyl-4-piperidinol for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials | Roberto Scrima, Primo Carrozza | 1996-03-05 |
| 5489683 | Piperidine-triazine compounds suitable for use as stabilisers for organic materials | Graziano Vignali, Fabrizio Guizzardi | 1996-02-06 |
| 5466803 | Piperidine-triazine compounds suitable for use as stabilizers for organic materials | Graziano Vignali | 1995-11-14 |
| 5449779 | Process for preparing N,N'-bis(hydrocarbyloxycarbonyl)-N,N'-bis(2,2,6,6-tetramethyl-4-piperidy l)diamines | Primo Carrozza, Giovanni Da Roit | 1995-09-12 |
| 5418267 | Piperidine compounds containing silane groups for use as stabilizers for organic materials | Primo Carrozza | 1995-05-23 |
| 5410047 | Polymer stabilizers containing both hindered amine and hydroxlamine moieties | Joseph Suhadolnik, Ramanathan Ravichandran, Graziano Vignali | 1995-04-25 |
| 5336706 | Piperidine-triazine compounds for use as stabilizers for organic materials | Roberto Scrima, Graziano Vignali | 1994-08-09 |