 He sold the invention and production rights for these "noiseless matches" to István Rómer, a Hungarian pharmacist living in Vienna, for 60 forints (about 22.5 oz t of silver).As a match manufacturer, Rómer became rich, and Irinyi went on to publish articles and a textbook on chemistry, and founded several match factories.Those involved in the manufacture of the new phosphorus matches were afflicted with "phossy jaw" and other bone disorders, and there was enough white phosphorus in one pack to kill a person.