Patent No. U.S. 6,825,240 B2
Degussa AG has received a patent for a radiation curable powder coating composition that is comprised of a binder comprised of 60-90% by weight of at least one amorphous urethane acrylate; and 10-40% by weight of at least one crystalline urethane acrylate. The Tg of a mixture of the two is at least 35°C, the amount of each based on a sum of the two; and an auxiliary and an additive, excluding a UV initiator.