Patents by Inventor Diane K. Hancock

Diane K. Hancock 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).

  • Ion specific chelating agents derived from .beta.-hydroxyhistidine, 4-(1-hydroxy-1-alkyl)imidazole and derivatives thereof
    Patent number: 5371234
    Abstract: .beta.-hydroxyhistidine, 4-(1-hydroxy-1-alkyl)imidazole or derivatives thereof can be used as a bidentate ligand in the chelation of iron(III), Al(III), Cr(III), Ga(III) and the actinides(IV), such as plutonium 238. .beta.-hydroxyhistidine is found in a pyoverdine-type siderophore produced by Pseudomonas fluorescens 244.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: December 6, 1994
    Assignee: The Unites States of America as represented by the Secretary of Commerce
    Inventor: Diane K. Hancock