"Petroleum byproducts" refers to substances that are produced as a result of refining crude oil, which is a type of fossil fuel. These byproducts can be used to create various products such as plastics, lubricants, and fuels. Full definition
Some dyes are created by burning coal tar and others are derived from petroleum byproducts like tartrazine and erythrosine. (wellnessmama.com)
Made of petroleum byproducts and synthetics such as polypropylene, nylon, and acrylic, they are usually treated with stain repellents, antistatic sprays, artificial dyes, antimicrobial treatments, and other finishes. (treehugger.com)
Oryzatein ® is the only patented, GRAS approved, whole grain brown rice protein with suspension grade options, fractioned without use of hexane petroleum byproduct, unlike all soy proteins and some rice proteins, and is soon to become the USP monographed standard for the industry. (axiomfoods.com)