Patents by Inventor Charles G. Zaloum

Charles G. Zaloum 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).

  • Patent number: 5236498
    Abstract: This invention relates to quinacridone solid solutions containing(a) 95% to 5% by weight of 2,9-dimethoxyquinacridone, and (b) 5% to 95% by weight of 2,9-dichloroquinacridone, characterized by X-ray diffraction patterns that are different from the sum of the X-ray diffraction patterns of the individual quinacridone components. The invention further relates to the use of such solid solutions for pigmentation of fibers, plastics, coatings, printing inks, and the like.
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: August 17, 1993
    Assignee: Miles Inc.
    Inventors: Charles G. Zaloum, Michael J. Greene