公开(公告)号：US10143999B2

公开(公告)日：2018-12-04

申请号：US15525627

申请日：2015-11-11

Applicant: INVISTA NORTH AMERICA S.A R.L.

Inventor： Joan Fraga-Dubreuil ,  Vinay Medhekar ,  John A. Turner ,  Keith Whiston

IPC: B01J27/043 ,  B01J23/755 ,  B01J31/18 ,  B01J35/00 ,  B01J35/10 ,  C07F9/145 ,  C07F15/04

Abstract: Disclosed are nickel-containing complexation precursors having high complexation activity for bidentate phosphite ligands. Also disclosed are methods of making the complexation precursors. The disclosed method of generating the nickel-containing complexation precursor includes including contacting a nickel starting material with a reductant under conditions sufficient to generate a nickel-containing complexation precursor having at least about 1,500 ppmw sulfur in the form of sulfide.