Patents by Inventor Muthiah Inbasekaran

Muthiah Inbasekaran 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 resulting from the cure of a preformed chromene-containing mixture
    Patent number: 5155196
    Abstract: This invention relates to a solvent process for the conversion of aromatic propargyl ethers into chromenes. The process can be catalyzed with copper or zinc salts. The preferred salt is cuprous chloride. The most preferred solvent is a dichlorobenzene. The invention also relates to chromene products formed using the process and to the polymerization of that chromene product and its polymerized product, the latter product having substantially improved flexural modulus and flexural strength properties. The polymerized product is also moisture insensitive.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: October 13, 1992
    Assignee: The Dow Chemical Company
    Inventors: Gerald C. Kolb, Daniel M. Scheck, Stoil Dirlikov, Muthiah Inbasekaran, James P. Godschalx