| US 7,516,936 B2 | ||
| Lens molds with coating | ||
| Giovanni Campanelli, Grossostheim (Germany) | ||
| Assigned to Novartis AG, Basel (Switzerland) | ||
| Filed on Apr. 27, 2006, as Appl. No. 11/412,650. | ||
| Claims priority of application No. 05009458 (EP), filed on Apr. 29, 2005. | ||
| Prior Publication US 2006/0244162 A1, Nov. 02, 2006 | ||
| Int. Cl. B29D 11/00 (2006.01) | ||
| U.S. Cl. 249—114.1 [249/115; 425/808; 106/38.2; 106/38.22] | 7 Claims |
| 1. A contact lens forming mold, the mold having a center, and the mold comprising two mold halves, female and male mold halves, wherein at least one mold halt comprises a nano-structured fluorine-containing inorganic polycondensate coating which decreases wettability by a polyvinyl alcohol prepolymer lens forming material dosed into the mold thereby retarding spreading of the lens forming material towards the center of the mold. |