The Standard Oil Company

Elizabeth A Maher

Robert K Grasselli

James D Burrington

Fred A Pesa

Dean T Tsou

This application discloses an improvement in the preparation of a ruthenium complex supported on an organic polymer, wherein the complex is added to the support over an extended period of time rather than all at once.

Process for making dimerization catalysts

Catalyst composition and process are provided for the dimerization of acrylic compounds. An acrylic compound may be dimerized in the liquid phase by contacting an acrylic compound with a catalyst in the presence of hydrogen, at a pressure of least about 1 psi and a temperature of at least about 50.degree. C., wherein the catalyst comprises an organic polymer catalyst support, trivalent pendant atoms covalently bonded to the support, ruthenium complexed with said trivalent pendant atoms, and a second metal which is at least one of Pb and the Group VIII metals other than Ru and Pd and is disposed on the organic polymer catalyst support.

Ruthenium containing catalyst composition useful for process for the

A catalyst and a liquid phase process are provided for the dimerization of acrylic compounds. The process includes contacting an acrylic compound with the catalyst in the presence of hydrogen, wherein the catalyst comprises an inorganic oxide catalyst support, trivalent pendant atoms covalently bonded to the support and ruthenium complexed with said trivalent pendant atoms.

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University Hts., OH, United States of America

Elizabeth A Maher