B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/103, 88/117
B29D 11/00 (2006.01)
Patent
CA 1216111
ABSTRACT Optical devices including a molecularly oriented highly birefringent polymer are disclosed. The devices include molecularly oriented polymers comprising recurring units which cxhibit a distribution of high electron density about the long axes of the polymer and the recurring units thereof. Transparent birefringent polymers comprising a plurality of recurring units having a substantially cylin- drical distribution of electron density about the long axis of such units and the chain-extended polymers are included in optical devices and articles. The polymers exhibit high birefringence and simulate in a polymer the optical properties of a uniaxial crystal.
397302
Bilofsky Ruth C.
Gaudiana Russell A.
Kalyanaraman Palaiyur S.
Rogers Howard G.
Sahatjian Ronald A.
Polaroid Corporation
Smart & Biggar
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