2016-08-242016-08-242000-03-28http://hdl.handle.net/10919/72413The present invention provides novel water-soluble diphosphines having the formula ##STR1## wherein X, Y, R.sub.1-18 and n are defined herein, and which can be complexed with a transition metal to form a novel catalyst useful in such applications as hydroformylation.application/pdfen-USPatenthttp://pimg-fpiw.uspto.gov/fdd/98/433/060/0.pdf8634533568/454C07C45/50C07C47/026043398