G - Physics – 02 – B
Patent
G - Physics
02
B
18/107, 240/151
G02B 5/128 (2006.01)
Patent
CA 1255861
40830CAN8A Abstract of the Disclosure Retroreflective sheeting has a flat, transparent cover film of excellent clarity and weatherability that resists dirt accumulation while also having good flexibility, conformability and stretchability, this desirable combination of properties being achieved when the cover film includes a urethane inner layer and an acrylic outer layer. The urethane inner layer comprises a thermoplastic aliphatic urethane polymer.
521683
Bailey Terry R.
Belisle Louis C.
Kult Roger R.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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