Patents by Inventor Laxmidas R. Patel

Laxmidas R. Patel 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).

  • Grafted polymers and method of preparing and using same
    Patent number: 4278777
    Abstract: A dry grafting method of grafting a vinyl monomer onto a polymer, which method comprises admixing into an essentially dry, solvent-swollen, finely-divided, particulate, solid, polymer admixture, wherein the polymer has free radicals formed thereon and the admixture is essentially free of a polymerization initiator, a small grafting amount in incremental portions of a vinyl-monomer material to be grafted onto the swollen polymer, the amount of vinyl monomer sufficient to maintain an essentially free-flow, stirrable, particulate admixture, and effecting grafting of the vinyl monomer to the polymer.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: July 14, 1981
    Assignee: Abcor, Inc.
    Inventors: Stephen Z. Jakabhazy, Laxmidas R. Patel