Patents by Inventor Alain Thorez

Alain Thorez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith
    Patent number: 4889957
    Abstract: Novel dinuclear and water-soluble rhodium complexes, well suited as hydroformylation catalysts, as are aqueous solutions thereof, have the general formula: ##STR1## in which R and R', which are identical or different, are each a substituted or unsubstituted hydrocarbon radical, with the proviso that R and R' may together form a single divalent radical, TAPS is a sulfonated triarylphosphine ligand, and L is a carbonyl (CO) or a TAPS ligand.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: December 26, 1989
    Assignee: Rhone-Poulenc Chimie de Base
    Inventors: Bernard Besson, Philippe Kalck, Alain Thorez
  • Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith
    Patent number: 4778905
    Abstract: Novel dinuclear and water-soluble rhodium complexes, well suited as hydroformylation catalysts, as are aqueous solutions thereof, have the general formula: ##STR1## in which R and R', which are identical or different, are each a substituted or unsubstituted hydrocarbon radical, with the proviso that R and R' may together form a single divalent radical, TAPS is a sulfonated triarylphosphine ligand, and L is a carbonyl (CO) or a TAPS ligand.
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: October 18, 1988
    Assignee: Rhone-Poulenc Chimie de Base
    Inventors: Bernard Besson, Philippe Kalck, Alain Thorez