Green Cross assigned U.S. patent 4,535,085 Perfluorotricyclic amines as oxygen carriers patents.uspto.gov
Green Cross is the parent company of Alpha Therapeutics. Dr. Drees was President/CEO of Alpha Therapeutics for several years, during which time FDA approval to Alpha for U.S. patent 4,252,827 was achieved.
------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A perfluorotricyclic amine compound which is usable as an oxygen carrier in an artificial blood, represented by the general formula ##STR1## wherein R denotes a perfluoroalkyl group having 1-4 carbon atoms; the ring A denotes a five- or six-membered ring, the ring B denotes a five-, six- or seven-membered ring, the ring C denotes a five- or six-membered ring any one of the rings A, B and C optionary being substituted by one or more lower perfluoroalkyl group in addition to the above-mentioned substituent R; and further f, g, h, i, j and k denote integers appropriately selected to construct the above-mentioned size of rings A, B, and C; is prepared by reacting the corresponding perhydrotricyclic amine with fluorine.
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Mike |