Patents by Inventor Paul J Scheuer

Paul J Scheuer 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).

  • Cytotoxic and antiviral compound
    Patent number: 6274551
    Abstract: Kalahide F, of formula I below, may be isolated from a sacoglossan. The compound may be used in the manufacture of pharmaceutical compositions or in the treatment of tumors or viral conditions.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: August 14, 2001
    Assignee: PharmaMar, S.A.
    Inventors: Paul J Scheuer, Mark T Hamann, Dolores G. Gravalos
  • Cytotoxic and antiviral compound
    Patent number: 6011010
    Abstract: Kalahide F. of formula I below, may be isolated from a secoglossan. The compound may be used in the manufacture of pharmaceutical compositions or in the treatment of tumors or viral conditions.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: January 4, 2000
    Assignee: Pharma Mar, s.a.
    Inventors: Paul J Scheuer, Mark T Hamann, Dolores G. Gravalos
  • Epidioxymanadic acids A and B
    Patent number: 5514705
    Abstract: The present invention is directed to two novel compounds isolated from a Pacific sponge, Plakortis (Homosclerophorida, Plakinidae) which are designated herein as epidioxymanadic acids A and B. These two compounds have been obtained by a bioassay-guided (i.e., antibiotic activity) isolation procedure, involving solvent partition and chromatography on Sephadex LH-20, cyano, and C-18 columns, from extracts of sponge.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: May 7, 1996
    Assignee: PharmaMar, S.A.
    Inventors: Toshio Ichiba, Paul J. Scheuer, Dolores G. Gravalos
  • Antitumor cyclohexanone compositions and derivatives thereof
    Patent number: 4882445
    Abstract: This invention relates to antitumor cyclohexanone compositions and derivatives thereof, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are cyclohexanone and derivatives thereof which are derived from marine organisms, i.e., the acord worm, Ptychodera sp.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: November 21, 1989
    Assignee: Harbor Branch Oceanographic Institution, Inc.
    Inventors: Tatsuo Higa, Paul J. Scheuer
  • Kahalalide F and compositions and uses thereof
    Patent number: RE39496
    Abstract: Kalahide Kahalalide F, of formula I below, may be isolated from a sacoglossan.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: February 27, 2007
    Assignee: PharmaMar, S.A.
    Inventors: Alice E. D. Scheuer, Mark T. Hamann, Dolores G. Gravalos, Paul J. Scheuer