Patents by Inventor Callum McHugh

Callum McHugh 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).

  • CRYSTAL PHASE OF A BENZIMIDAZOLONE AZO PIGMENT
    Publication number: 20100104966
    Abstract: The invention relates to a new ? crystal modification of the pigment of formula (I) characterized by a CuK? X-ray powder diagram having maxima at 8.5, 14.7, 17.2, 26.0 and 28.4 2?, as well as to a process for its preparation and compositions comprising it.
    Type: Application
    Filed: January 16, 2008
    Publication date: April 29, 2010
    Applicant: CIBA CORPORATION
    Inventors: Callum McHugh, Iain Frank Frazer, Kim Wong, Robert Elder