Drying and gas or vapor contact with solids – Process – Gas or vapor contact with treated material
Reexamination Certificate
2008-05-06
2008-05-06
Gravini, S. (Department: 3749)
Drying and gas or vapor contact with solids
Process
Gas or vapor contact with treated material
C034S201000, C264S001100, C134S059000, C118S620000
Reexamination Certificate
active
11295321
ABSTRACT:
In a method of drying molds or mold parts for the manufacture of optical lenses, in particular ophthalmic lenses and especially contact lenses, the mold or mold part to be dried is exposed to drying air. For this purpose, humid pressurized air (T) is used to which the mold or mold part is exposed.
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Hagmann Peter
Heinrich Axel
Richter Thomas
Seiferling Bernhard
Wolf Michael
Gravini S.
Hu Sheng-Hsin
Novartis AG
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