Patents by Inventor Eraj D. Manandhar

Eraj D. Manandhar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymer modified asphaltic compositions with improved dispersion and products therefrom
    Patent number: 5744524
    Abstract: An asphaltic compound according to the invention includes from about 70 to about 45 parts by weight of asphalt; from about 15 to about 25 parts by weight of a polymer modifier for said asphalt; from about 15 to about 25 parts by weight of a filler; and, from about 0.1 to about 5 parts by weight of a dispersing agent. The dispersing agent can be selected from the group consisting of stearic acid, tri(dioctyl) pyrophosphate titanate, tri(dioctyl) pyrophosphate-O, neoalkoxy tridodecylbenzenesulfonyl titanate, lecithin, aluminum stearate, maleic anhydride-modified ethylene/alpha-olefin copolymer, maleic anhydride grafted propylene-ethylene copolymer, ethoxylated alcohol, and mixtures thereof.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: April 28, 1998
    Assignee: Bridgestone/Firestone, Inc.
    Inventors: Eraj D. Manandhar, Arthur M. Usmani