Vaseline is a common trademark for petrochemical gelatin and a daily chemical brand owned by Unilever. Vaseline was first invented by inventor Robert Chesebrough in 1859. , a by-product extracted from petroleum, its original name was "petroleumjelly", where "petroleum" is petroleum, and "jelly" is a jam-like gelatinous substance, later named Vaseline (Vaseline ['v?zili:n ]), and stated in the product's U.S. patent: "I, Robert Chesenberg, have invented a new and very helpful product from petrochemicals, named Vaseline."