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Government-Owned Inventions; Availability for Licensing

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National Institutes of Health, Public Health Service, DHHS.




The inventions listed below are owned by agencies of the U.S. Government and are available for licensing in the U.S. in accordance with 35 U.S.C. 207 to achieve expeditious commercialization of results of federally-funded research and development. Foreign patent applications are filed on selected inventions to extend market coverage for companies and may also be available for licensing.


Licensing information and copies of the U.S. patent applications listed below may be obtained by writing to the indicated licensing contact at the Office of Technology Transfer, National Institutes of Health, 6011 Executive Boulevard, Suite 325, Rockville, Maryland 20852-3804; telephone: 301/496-7057; fax: 301/402-0220. A signed Confidential Disclosure Agreement will be required to receive copies of the patent applications.

Vibrio cholerae O139 Conjugate Vaccines

Shousun Szu, Zuzana Kossaczka, John Robbins (NICHD)

DHHS Reference No. E-274-00/1; PCT/US00/24119 filed 01 Sep 2000

Licensing Contact: Peter Soukas; 301/496-7056 ext. 268; e-mail:

Cholera remains an important public health problem. Epidemic cholera is caused by two Vibrio cholerae serotypes O1 and O139. The disease is spread through contaminated water. According to information reported to the World Health Organization in 1999, nearly 8,500 people died and another 223,000 were sickened with cholera worldwide. This invention is a polysaccharide-protein conjugate vaccine to prevent and treat infection by Vibrio cholerae O139 comprising the capsular polysaccharide (CPS) of V. cholerae O139 conjugated through a dicarboxylic acid dihydrazide linker to a mutant diphtheria toxin carrier. In addition to the conjugation methods, also claimed in the invention are methods of immunization against V. cholerae O139 using the conjugates of the invention. The inventors have shown that the conjugates of the invention elicited in mice high levels of serum antibodies to CPS, a surface antigen of Vibrio cholerae O139, that have vibriocidal activity. Clinical trials of the two most immunogenic conjugates have been planned by the inventors. This invention is further described in Infection and Immunity 68(9), 5037-5043, Sept. 2000.

Inhibition of MXR Transport by Acridine Derivatives

Susan Bates, Robert Robey (NCI)

DHHS Reference No. E-258-99/0 filed 20 Jan 2000

Licensing Contact: Vasant Gandhi; 301/496-7056 ext. 224; e-mail:

The invention relates to a new use for a compound, an acridine derivative, as an inhibitor of multidrug resistance in cancer cells. Specifically, the inventors have shown that the compound modulates the transport of compounds from mitoxantrone-resistant (MXR) cells wherein the cells overexpress an MXR gene. The MXR gene is also known by the following designations: BCRP, ABCP, and ABCG2.

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Jack Spiegel,

Director, Division of Technology, Development and Transfer, Office of Technology Transfer, National Institutes of Health.

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[FR Doc. 00-32815 Filed 12-22-00; 8:45 am]