Patents by Inventor Peter Kerekes

Peter Kerekes 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).

  • CRYSTALLINE FORMS OF FESOTERODINE FUMARATE AND FESOTERODINE BASE
    Publication number: 20120220655
    Abstract: Polymorphically pure crystalline forms of fesoterodine fumarate and fesoterodine base are described and characterized.
    Type: Application
    Filed: September 3, 2010
    Publication date: August 30, 2012
    Applicant: TEVA GYOGYSZERGYAR ZARTKORUEN MUKODO RESZVENYTARSASAG
    Inventor: Peter Kerekes
  • Carbamates of colchicine for treatment of gout
    Patent number: 4533675
    Abstract: The present invention consists of derivatives of colchicine and thiocolchicine which are carbamates of the same and are illustrated by the formula below: ##STR1## where either X.sub.1 or X.sub.2 is a hydroxy group and the other a lower alkoxy group and R.sub.1 can be H or an alkyl, R.sub.2 an alkyl, alkenyl or aryl which may be substituted and R.sub.3 is either OCH.sub.3 or SCH.sub.3 ; alkyl and alkoxy=C.sub.1 -C.sub.6 ; aryl=monoaryl.These compounds are not only new but have exhibited antitumor activity binding to tubulin protein and tests against P388 lymphocytic leukemia and also active against gouty arthritis. Further, they are far less toxic than colchicine.
    Type: Grant
    Filed: April 17, 1984
    Date of Patent: August 6, 1985
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Arnold Brossi, Peter Kerekes