| 5266351 |
Process for the protection and aggregation of metal materials of artistic interest |
Mauro Matteini, Vincenzo Massa, Giovanni Moggi |
1993-11-30 |
| 4824626 |
Process for the reproduction of works of art of lithoid material |
Guglielmo Galli |
1989-04-25 |
| 4764431 |
Process for protecting and consolidating stone materials |
Franco Piacenti, Carlo Manganelli Del Fa, Giovanni Moggi |
1988-08-16 |
| 4746550 |
Use of perfluoropolyether derivatives for protecting stone materials from atmospheric agents |
Ezio Strepparola, Gerardo Caporiccio, Franco Piacenti |
1988-05-24 |
| 4745009 |
Method for protecting stone materials from atmospheric agents by means of perfluoropolyether derivatives |
Franco Piacenti, Ugo Matteoli, Ezio Strepparola |
1988-05-17 |
| 4499146 |
Protecting materials subject to degradation by atmospheric and polluting agents by means of perfluoropolyethers |
Franco Piacenti, Federigo Ciampelli |
1985-02-12 |
| 4451646 |
High molecular weight polymeric perfluorinated copolyethers and process for their preparation from tetrafluoroethylene |
Dario Sianesi, Giorgio Belardinelli |
1984-05-29 |