Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1995-03-31
1997-11-25
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
425808, 4251744, 249134, B29D 1100
Patent
active
056908652
ABSTRACT:
The present invention is directed to a composition comprising polystyrene with at least 0.1% (w/w) of an additive, the article of manufacture thereof, such as a mold for making contact lenses and the mold assembly containing said mold, and the use of such mold so to facilitate demolding from a two mold assembly in the process of making contact lenses.
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Kindt-Larsen Ture
Longo Jeffery
O'Brien Keith
Johnson & Johnson Vision Products Inc.
Vargot Mathieu D.
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