Athersys receives U.S. Patent covering adult stem cell composition & production
CLEVELAND, Feb. 10, 2010 (GLOBE NEWSWIRE) — Athersys, Inc. (Nasdaq:ATHX) announced today that it has been granted U.S. patent 7,659,118 that covers non-embryonic multipotent stem cells, their isolation and expansion, and related pharmaceutical compositions. Athersys also announced that it has been granted — and the opposition period has cleared — EP patent EP1218489B1 that covers non-embryonic pluripotent stem cells, their isolation, expansion, and usage.
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