. "ProCare" . "Boron" . "Standard Oil of Ohio" . . "SOHIO" . "Standard Oil" . . . . . "Standard Oil of Ohio" . . . . . . . . . . "Standard Oil Company of Ohio" . "Gradual acquisition byBPstarting in 1968 and completed in 1987; 'Sohio' continued as agas stationbrand until 1991" . . . . "1911" . . "Sohio" . "Standard Oil Company of Ohio (Sohio)" . . . . . . . . . . "The Standard Oil Company" . . . . . "Standard_Oil_of_Ohio" . . . . . . . "The Standard Oil Company (Ohio)" . . . .