Patents by Inventor Raymond Hamers

Raymond Hamers 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).

  • Immunoglobulins devoid of light chains
    Patent number: 5874541
    Abstract: There is provided an isolated immunoglobulin comprising two heavy polypeptide chains sufficient for the formation of a complete antigen binding site or several antigen binding sites, wherein the immunoglobulin is further devoid of light polypeptide chains.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: February 23, 1999
    Assignee: Vrije Universiteit
    Inventors: Cecile Casterman, Raymond Hamers
  • Immunoglobulins devoid of light chains
    Patent number: 5840526
    Abstract: There is provided an isolated immunoglobulin comprising two heavy polypeptide chains sufficient for the formation of a complete antigen binding site or several antigen binding sites, wherein the immunoglobulin is further devoid of light polypeptide chains.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 24, 1998
    Assignee: Vrije Universiteit Brussel
    Inventors: Cecile Casterman, Raymond Hamers
  • Immunoglobulins devoid of light chains
    Patent number: 5800988
    Abstract: There is provided an isolated immunoglobulin comprising two heavy polypeptide chains sufficient for the formation of a complete antigen binding site or several antigen binding sites, wherein the immunoglobulin is further devoid of light polypeptide chains.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 1, 1998
    Assignee: Vrije Universiteit Brussel
    Inventors: Cecile Casterman, Raymond Hamers
  • Immunoglobulins devoid of light chains
    Patent number: 5759808
    Abstract: There is provided an isolated immunoglobulin comprising two heavy polypeptide chains sufficient for the formation of a complete antigen binding site or several antigen binding sites, wherein the immunoglobulin is further devoid of light polypeptide chains.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 2, 1998
    Assignee: Vrije Universiteit Brussel
    Inventors: Cecile Casterman, Raymond Hamers
  • Organometallic compounds, methods for their preparation and pharmaceutical compositions containing them
    Patent number: 5281588
    Abstract: A method for treating trypanosomiases, leishmanioses, filariases and pneumonias caused by Pneumocystis carinii, comprising the step of administering an effective amount of an organometallic compound of the formula: ##STR1## in which: M is arsenic or antimony,Y and Z are identical or different and are each sulfur or oxygen,R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are identical or different and are each hydrogen or a group of the formula: ##STR2## in which X is nitrogen, andA.sub.1 is an alkylene group of 3 to 21 carbon atoms, that is unsubstituted or substituted by: one or more groups which are identical or different and which are of the formula: --(CH.sub.2).sub.n --R.sub.7 in which R.sub.7 is --H, --OH, --COOH, --NH.sub.2 or --SO.sub.3 H and n is an integer of 0 to 10; or one or more Na or K salts of said one or more groups of the formula: --(CH.sub.2).sub.n --R.sub.7, when R.sub.7 is --COOH; or one or more hydrochlorides of said one or more groups of the formula: --(CH.sub.2).sub.n --R.sub.7 when R.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: January 25, 1994
    Inventors: Ludo Maes, Emmanuel Bajyana-Songa, Raymond Hamers