For more than a year, a United Nations agency in Geneva has been helping North Korea prepare an international patent application for production of sodium cyanide -- a chemical used to make the nerve gas Tabun -- which has been on a list of materials banned from shipment to that country by the U.N. Security Council since 2006. The World Intellectual Property Organization, or WIPO, has made no mention of the application to the Security Council committee monitoring North Korea sanctions, nor to the U.N. Panel of Experts that reports sanctions violations to the committee, even while concerns about North Korean weapons of mass destruction, and the willingness to use them, have been on a steep upward spiral. Fox News told both U.N. bodies of the patent application for the first time late last week,…