G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/124 (2006.01) C08F 293/00 (2006.01) C08G 18/75 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2050037
ABSTRACT OF THE DISCLOSURE The present invention provides improved, flexible retroreflective articles based upon an optically clear, aliphatic polyurethane polymer. The aliphatic polymer has a plurality of hard chain segments of the formula Image .
Coderre James Curtis
Hammar Walton James
Huang Tzu-Li Joseph
Nave Miriam Diane
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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