Patents by Inventor Meena Bhalla-Chawla

Meena Bhalla-Chawla 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).

  • Zinc phosphorus oxide and zinc arsenic oxide compositions
    Patent number: 5120698
    Abstract: This invention involves a new class of microporous zinc phosphorous oxide and zinc arsenic oxide compositions and method of preparation. The novel compositions have an oxide framework containing zinc and an oxide selected from the group consisting of phosphorous oxides, arsenic oxides and mixtures thereof as the sole lattice constituents specifically the compositions have the formula;[M.sub.a (R.sub.4 X).sub.b ]{[Zn.sub.p O.sub.q ][(TO.sub.4-e)(OH).sub.e ].sub.y L.sub.f }.gH.sub.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: June 9, 1992
    Assignee: Exxon Research and Engineering Company
    Inventors: Edward W. Corcoran, Jr., Meena Bhalla-Chawla