摘要 |
A method of making a catalyst for use in oligomerizing an olefin, comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising abating all or a portion of water, acidic protons, or both from a composition comprising the chromium-containing compound, a composition comprising the pyrrole-containing compound, a composition comprising a non-metal halide-containing compound, a composition comprising the solvent, or combinations thereof prior to contact thereof with a composition comprising a metal halide-containing compound. |
申请人 |
CHEVRON PHILLIPS CHEMICAL COMPANY LP |
发明人 |
KNUDSEN, RONALD D;KREISCHER, BRUCE E;ABBOTT, RONALD G;BRIDGES, STEVEN D;BARALT, EDUARDO J. |