Patent ID: 8394978

Claim:
A composition comprising a sulfonated triorganophosphine compound represented by the following formula: wherein R 1 and R 2 each individually represent a monovalent hydrocarbyl or substituted hydrocarbyl radical selected from alkyl, aralkyl, and alicyclic radicals; wherein R 3 represents a divalent or polyvalent alicyclic radical, which is bonded to the phosphorus atom and to one or more sulfonate substituents; further wherein R 3 does not contain any aryl moieties; wherein M comprises a monovalent cation, and n is an integer from 1 to 3 representing a total number of sulfonate substituents; and further wherein in each of R 1 , R 2 , and R 3 a carbon atom attached to the phosphorus atom or a carbon atom directly bonded to a carbon atom attached to the phosphorus atom is additionally bonded to at least 2 other carbon atoms.