Patents by Inventor Omari Ansong

Omari Ansong 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).

  • Sulfides of nitroamino triphenyl and substitution or amino functionalized products thereof and the method of preparing the same
    Patent number: 5514770
    Abstract: A composition of matter having nonlinear optical activity and the method of preparing the same of the following general formula: ##STR1## wherein the benzene nuclei may be substituted and wherein R.sub.1 and R.sub.2 are selected from the group consisting of:a hydrogen atom;an aliphatic radical;a cycloaliphatic radical;an arylaliphatic radical;an aryl group;a linkage to a polymer backbone; anda polymer backbone; or--R.sub.1 R.sub.2 -- forms a heterocyclic ring.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: May 7, 1996
    Inventor: Omari Ansong