Patents by Inventor Abhimanyn Onkar Patil

Abhimanyn Onkar Patil 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).

  • Polymers having dihydroxy moieties
    Patent number: 5712231
    Abstract: The present invention provides novel polymers comprising a plurality of dihydroxy aromatic moieties and at least one polyalkyl moiety. In one embodiment of the present invention, the polymer is formed from about 2 to about 50 interconnected dihydroxy aromatic moieties each having an attached polyalkyl moiety. In another embodiment of the present invention, the polymer is represented by the formula A.sub.x P.sub.y where A is an aromatic dihydroxy moiety and P is a polyalkyl moiety. The polymers of the invention are useful as lubricating oil additives.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: January 27, 1998
    Assignee: Exxon Research and Engineering Company
    Inventors: Abhimanyn Onkar Patil, Manuel Anthony Francisco, Ken Lewtas, Howard Lih Fang