Patents by Inventor Frederick Tejada

Frederick Tejada 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: 20090012101
    Abstract: A method of forming analogs of CDD-0304, i.e., tetra(ethyleneglycol) (4-methoxy-1,2,5-thiadiazol-3-yl)[3-(1-methyl-1,2,4,5-tetrahydropyrid-3-yl)-1,2,5-thiadiazol-4-yl]ether hydrochloride includes one or more of the following steps: a) replacing the tetrahydropyridine moiety with one of the following heterocyclic rings, including quinuclidine, [2.2.1]-exo-azabicy-cloheptane, [2.2.1]-endo-azabicycloheptane and terahydropyrimidine; b) varying the length of the linking group by replacing the tetra(ethylene) glycol moiety with one of: ethylene glycol, di(ethylene) glycol, penta(ethylene) glycol, or diether diol; and/or, c) replacing the 1,2,5-thiadiazole moiety with an ester isostere. Also, a method for an asymmetric analog CCD-0304 includes replacing at least one moiety with an ester isostere and at least a second moiety with an ammonium isostere. Also, such analogs compounds and their uses are disclosed.
    Type: Application
    Filed: December 8, 2006
    Publication date: January 8, 2009
    Applicant: UNIVERSITY OF TOLEDO
    Inventors: William S. Messer, JR., Yang Cao, Frederick Tejada