Robert Chesebrough Vaseline. In 1875, he founded the Chesebrough Manufacturing Company that in 1955 became Chesebrough-Ponds, a leading manufacturer of personal-care products. Chesebrough patented the process of making petroleum jelly (U.S. Patent 127,568) in 1872. By 1874, stores were selling over 1400 jars of Vaseline a day. Chesebrough's success stemmed from firm belief in his product. Before he began selling petroleum jelly, he tested it on his own cuts and burns. Chesebrough was still unable to sell any to drug stores until he travelled around New York demonstrating his miracle product. In front of an audience, he would burn his skin with
Grass jelly then cooling the liquid to a jelly-like consistency. This jelly can be cut into cubes or other forms, and then mixed with syrup to produce a drink or dessert thought to have cooling ("yin") properties, which makes it typically consumed during hot weather. The jelly itself is fragrant, with a smoky undertone, and is a translucent dark brown, sometimes perceived to be black. Food coloring may sometimes be added to make it darker. Some other variants of grass jelly, known as green grass jelly, don't require cooking or heating process to make, only requiring a mixture of leaf extracts and