ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,072, issued on May 6, was assigned to DEBOGY MOLECULAR INC. (Battle Creek, Mich.).

"Methods of use and processes for preparing alcoholic solutions of polyvinylpyridine polymers" was invented by Houssam Bouloussa (Pittsburgh) and Othman Bouloussa (Bordeaux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a process for preparing an alcoholic solution of a polyvinylpyridine polymer having biocidal and biocompatibility properties. The alcoholic solution is ready-to-graft in order to confer biocidal properties to various surfaces and to prevent biofilm formation on such surfaces. Also provided are methods of using the alcoholic solution...