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Patent applications and USPTO patent grants for Lanfredi; Roberto.The latest application filed is for "compositions based on expandable vinylaromatic polymers with an improved expandability".
Patent | Date |
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Expandable vinylaromatic polymers and process for their preparation Grant 7,279,504 - Ghidoni , et al. October 9, 2 | 2007-10-09 |
Compositions based on expandable vinylaromatic polymers with an improved expandability App 20060241195 - Casalini; Alessandro ;   et al. | 2006-10-26 |
Expandable vinylaromatic polymers and process for their preparation App 20060058407 - Ghidoni; Dario ;   et al. | 2006-03-16 |
Compositions based on expandable vinylaromatic polymers with an improved expandability App 20050239913 - Casalini, Alessandro ;   et al. | 2005-10-27 |
Beads of expandable vinylaromatic polymers and process for their preparation App 20050222280 - Lanfredi, Roberto ;   et al. | 2005-10-06 |
Process for the preparation of expandable vinylaromatic polymers App 20050222357 - Lanfredi, Roberto ;   et al. | 2005-10-06 |
Expandable vinylaromatic polymers and process for their preparation App 20040242713 - Ghidoni, Dario ;   et al. | 2004-12-02 |
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