Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 5, 2006
Patent Application Number
10433609
Date Filed
April 30, 2002
Patent Primary Examiner
Patent abstract
A thermoplastic norbornene resin which displays a high degree of toughness, and for which the exhibited retardation and the wavelength dependency of that retardation can be controlled is provided, which is formed from a copolymer with a structural unit represented by a general formula (1) and a structural unit represented by a general formula (2).
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