US Patent Application No: 2010/0230,835

Number of patents in Portfolio can not be more than 2000

COMPOSITE POLYMER FIBERS

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Abstract

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A composite polymer fiber comprises a polymer filler material and a plurality of polymer scattering fibers disposed within the filler material. At least one of the filler material and the scattering fibers is formed of a birefringent material. The refractive indices of the filler material and the scattering fibers can be substantially matched for light incident in a first polarization state on the composite polymer fiber and unmatched for light incident in an orthogonal polarization state. The scattering fibers may be arranged to form a photonic crystal within the composite fiber. The composite fibers may be extruded and may be formed into a yarn, a weave or the like. If the filler material is soluble, it may be washed out of the yarn or weave, and the scattering fibers may then be infiltrated with a resin that is subsequently cured.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
3M INNOVATIVE PROPERTIES COMPANYST PAUL, MN7682

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benson,, JR Olester - 34 53
Breister, James C Oakdale, MN 35 89
Brott, Robert L Woodbury, MN 108 445
Chou, Yeun-Jong Woodbury, MN 10 109
Fleming, Patrick R Lake Elmo, MN 126 1249
Kopecky, William J Hudson, WI 54 142
North, Diane Inver Grove Heights, MN 28 335
Ouderkirk, Andrew J Woodbury, MN 393 8567
Stumo, Roger J Shoreview, MN 20 191
Thunhorst, Kristin L Stillwater, MN 46 240
Wilson, Bruce B Woodbury, MN 33 313

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Patent Info (Count) # Cites Year
 
3M INNOVATIVE PROPERTIES COMPANY (1)
8,798,421 Color shifting multilayer polymer fibers and security articles containing color shifting multilayer polymer fibers 0 2009
* Cited By Examiner