A novel optical film is disclosed. The film comprises an optically anisotropic layer formed of a composition comprising at least one liquid crystal compound and at least one polymer having a fluoro-aliphatic group and a hydrophilic group selected from the group consisting of a carboxyl group (--COOH), a sulfo group (--SO.sub.3H), a phosphono group {--PO(OH).sub.2} and salts thereof; and a substrate supporting the layer.

 
Web www.patentalert.com

< Illuminated retractor for use in connection with harvesting a blood vessel from the arm

> Substituted optically active disphosphine compound

~ 00401