Today in 2013, US Patent 8460720 B2 was issued, an invention of Chantal Bergeron, Stefan Gafner, and Jennifer L. Lafrance, assigned to Tom’s Of Maine, Inc., for their “Hops-Based Deodorant.” Here’s the Abstract:

The present invention relates to deodorants and other body care products comprising a CO2 extract of the hops plant having bacteriocide/bacteriostat properties wherein the CO2 extract has a very low level of essential hops oils.

Apparently all of Tom’s deodorants use a hop extract, it’s listed among the ingredients and specifically is the Hops extract [CO2] and caprylic/capric triglyceride.