Method of obtaining mineral oils of stability to oxidation improved

摘要

1,050,234. Mineral oil compositions. ESSO RESEARCH & ENGINEERING CO. Oct. 9, 1964 [Oct.31, 1963], No. 41329/64. Heading C5E. A mineral oil composition comprises a major proportion of a mineral base oil and 0À1-10% of a heavy cycle gas oil fraction obtained in the catalytic cracking of a petroleum fraction, the base oil and gas oil having been subjected to treatment with hydrogen either separately or in admixture.