Patents by Inventor Ali B. Mahfuza

Ali B. Mahfuza 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).

  • Publication number: 20160310631
    Abstract: Antimicrobial fibrous materials and methods of making same. The antimicrobial fibrous material can include a plurality of absorbent fibers; and a quaternary ammonium compound covalently grafted to the plurality of fibers. The quaternary ammonium compound can be derived from quaternary amine-functionalized ethylenically unsaturated monomers.
    Type: Application
    Filed: December 9, 2014
    Publication date: October 27, 2016
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: SHILPI K. SANGHI, ALI B. MAHFUZA
  • Publication number: 20070292089
    Abstract: Disclosed herein is an optical article that may be used to protect the exposed viewing surface of a display device. The optical article comprises: a light transmissive substrate; and a hardcoat layer disposed on the light transmissive substrate, the hardcoat layer comprising: a (meth)acrylate-functionalized metal oxide having an average particle size of less than about 100 nm, a multifunctional (meth)acrylate monomer, and a cationic copolymer comprising from about 25 to about 60 wt. % of a cationic monomer comprising a quaternary amine group, about 5 to 30 wt. % of a tertiary amine monomer comprising a tertiary amine group, and about 10 to 60 wt. % of a hydrophobic monomer comprising an alkyl group having from 4 to 12 carbon atoms.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 20, 2007
    Inventors: Richard J. Pokorny, Ali B. Mahfuza, Christopher B. Walker, Mark J. Pellerite