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
Egg jelly sulfated fucan glycoproteins play an important role in binding to sperm receptors and triggering the acrosomal reaction. Many other functions for the egg jelly have been proposed including sperm agglomeration, protection from mechanical stress and polyspermy, and increasing the size of the egg to improve its chances of colliding with sperm. In addition to the sea urchin, egg jelly appears in many species including invertebrates and mammals, and can vary in composition and complexity from the relatively homogenous single layer sea urchin egg to the three layer egg jelly in starfish. Egg jelly Egg jelly(extracellular layer", "jelly coat) is a