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Patent Searching and Data


Title:
高屈折率熱可塑性ポリホスホネート
Document Type and Number:
Japanese Patent JP4746237
Kind Code:
B2
Abstract:
High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A method of preparing optical and ophthalmic lenses by injection molding the polymers of the present invention into the form of the optical or ophthalmic lenses is also provided.

Inventors:
Shoba, Josadurga
McGrath, James E.
Sechalipuram, Venkat
Bhatna Girl, Achur
Application Number:
JP2001537392A
Publication Date:
August 10, 2011
Filing Date:
November 10, 2000
Export Citation:
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Assignee:
Essilor Internacional (Company General Doptic)
Virginia Tech Intellectual Properties, Inc.
International Classes:
C08G79/04; G02C7/02; C08G63/00; C08G79/02; G02B1/04; G02B5/23
Domestic Patent References:
JP61261321A
JP52062250A
JP51114495A
JP2001515105A
JP2002537445A
Attorney, Agent or Firm:
Masayuki Masabayashi