Creosote that creosote contained a mixture of creosol and guaiacol. Later investigations by Gorup-Besanez, A.E. Hoffmann, and Siegfried Marasse showed that wood-tar creosote also contained phenols, giving it a feature in common with coal-tar creosote. Historically, coal-tar creosote has been distinguished from what was thought of as creosote proper—the original substance of Reichenbach's discovery—and it has been referred to specifically as "creosote oil". But, because creosote from coal-tar and wood-tar are obtained from a similar process and have some common uses, they have also been placed in the same class of substances, with the terms "creosote" or "creosote oil" referring to
Wright's Coal Tar Soap Wright's Coal Tar Soap <br> Created by William Valentine Wright in 1860, Wright's Traditional Soap, or Wright's Coal Tar Soap, is a popular brand of antiseptic soap that is designed to thoroughly cleanse the skin. It is an orange colour. For over 150 years, Wright’s Coal Tar Soap was and still is a popular brand of household soap; its successor can still be bought in supermarkets and from chemists worldwide. It was developed by William Valentine Wright in 1860 from "liquor carbonis detergens", the liquid by-product of the distillation of coal to make coke; the liquid was made into an