Inventor
PUERTO MAURA C
US3 patents
Patents
3 patentsUS4293428AOct 6, 1981
Propoxylated ethoxylated surfactants and method of recovering oil therewith
EXXON PRODUCTION RESEARCH CO139 citations93
US4452708AJun 5, 1984
Oil recovery method using sulfonate surfactants derived from extracted aromatic feedstocks
EXXON PRODUCTION RESEARCH CO23 citations79
US5135052AAug 4, 1992
Recovery of oil using microemulsions
EXXON PRODUCTION RESEARCH CO17 citations69