prov:value
| - Other embodiments of the invention include polymeric index matching materials selected from the group of polymers or polymer mixtures (polymer components) such as polybutenes, (meth)acrylates, acrylics, epoxies, polyesters, polyethers, polycaprolactones, polycarbonates, polybutadienes, polyurethanes, natural hydrocarbons, and other polymers well known to those skilled in the polymer art, including
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