Methods for the production of plastic lenses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 1, 2005
Issued Date -
N/A
app pub date -
Oct 15, 2002
filing date -
Mar 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lens forming apparatus for preparing a plastic eyeglass lens includes a first lens curing unit, a second lens curing unit and a conveyor system for moving mold assemblies between the two units. The apparatus may also include an anneal unit configured to apply heat to a substantially polymerized lens. The apparatus may be used to form an eyeglass lens from a lens forming composition that may include an aromatic containing polyether polyethylenic functional monomer, a photoinitiator, and a coinitiator. The lens forming composition may be cured by the application of activating light or activating light and heat.
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