 Ramba uchiverenga ndima ino - Muna 1899, akatanga bhizimisi nemumwe murume wokuGermany ainzi Hermann Hille 1871-1962, uye vakagadzira mushonga unodzivirira utachiona unonzi Argyrol, unonzi silver nitrate, waishandiswa pakurapa zvirwere zvemaziso uye kudzivirira kuti mwana achangoberekwa asaone nemhaka yegonorrhea. Vaviri vacho vakasiya H.K. Mulford and Company kuti varonge ukama hunonzi Barnes naHille. Iyi kambani itsva yakavambwa muna 1902. Hille aitarisira kugadzirwa uye Barnes aitarisira kutengesa. Kambani yacho yakabudirira mune zvemari, asi ukama pakati pevarume vaviri ava hwakaderera. Muna 1908 kambani yacho yakaparadzwa. Barnes akapfuurira kuumba A.C. Barnes Company ndokunyoresa chiratidzo cheArgyrol. Muna July 1929 Zonite Corporation yeNew York yakatenga A.C. Barnes Company. Kufamba kwacho kwakanga kwakakodzera nguva sezvo misika yemari yakadonhamuna October wegore iroro. 