Zeon Corp. (TYO:4205) has posted 146 billion yen ($1.33 billion) in sales for its elastomer materials business over the first three quarters of fiscal 2017, marking a year-on-year increase of 22 percent. The sales figures included a 29 percent increase in rubber, totaling 104.1 billion yen; a 14 percent in increase in latex, reaching 14.5 billion yen; and a 6…