Patents by Inventor Stephen Hannessian

Stephen Hannessian 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).

  • Amino-cyclodextrin syntheses
    Patent number: 5959089
    Abstract: There are disclosed certain amino or azido cyclodextrin ethers, which have similar or improved properties to known cyclodextrins. The novel compounds are substituted cyclodextrins having substituents comprising amino, azido, aralkoxycarbonylamino and certain ether-linked aminoalkyl, azidoalkyl, or alkenyl groups. Also disclosed are processes for preparing such compounds.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: September 28, 1999
    Inventor: Stephen Hannessian