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| Number | Title | Issue Date |
| 7438957 | Poly(aryletherimides) for negative birefringent films for LCDs A class of soluble poly(aryletherimides) (PAEIs) having flexible backbones, useful in the manufacture of polymeric optical films are disclosed. The poly(aryletherimides) are dissolved in organic solvents, such as ketones and ketone solvent mixtures and coated on var... | 10/21/2008 |
