Patents by Inventor Harjinder Singh Bhatti

Harjinder Singh Bhatti 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).

  • 3-aryl-2-cyano-3-hydroxy-acrylic acid derivatives
    Patent number: 7476753
    Abstract: Disclosed are 3-aryl-2-cyano-3-hydroxy-acrylic acid derivates of formula(1a) (1b) or (1c) wherein R1 is hydrogen, C1-C20alkyl; C1-C20alkoxy; CF3; C6-C10aryl; or a radical of formula (1a) and R2 is hydrogen; or C1-C20alkyl. The compounds are used as antimicrobial actives for the treatment of surfaces.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: January 13, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dinesh Narendra Rele, Harjinder Singh Bhatti, Werner Hölzl, Sophie Marquais-Bienewald, Errol Vincent Mathias, Andrea Preuss, Barbara Wagner