Patents by Inventor Kelvin Cruz

Kelvin Cruz 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).

  • Process improvement in the synthesis of [R-(R*,R*)1-5-(3-chlorophenyl)-3-[2-]-2-oxazolidinone
    Patent number: 5420291
    Abstract: The invention is a process improvement for producing [R-(R*, R*)]-5-(3-chlorophenyl)-3-[2-(3,4-dihydroxyphenyl)-1-methylethyl]-2-oxazol idinone which is an intermediate useful in making compounds that have antidiabetic and/or antihyperglycemic and/or antiobesity properties in mammals.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: May 30, 1995
    Assignee: American Cyanamid Company
    Inventors: William T. Cain, Kelvin Cruz, Kevin M. McCoy