COMMONWEALTH'S ATTORNEY FOR CITY OF RICHMOND et al., Defendants. Civ. A. No. 74-0025-R. United States District Court, E. D. Virginia. October 24, 1975. *1200John D. Grad, Alexandria, Va. (Philip J. Hirschkop), Alexandria, Va., for plaintiffs. Robert E. Shepherd, Jr., Asst. A...
Attorney, Agent or Firm: JOSEPH DEBENEDICTIS (ALEXANDRIA, VA, US) Parent Case Data: This application is a continuation of application Ser. No. 08/124,439, filed Sep. 22, 1993; now U.S. Pat. No. 5,334,504 which is a file wrapper continuation of application Ser. No. 08/003,662,...
Attorney, Agent or Firm: BACON & THOMAS (ALEXANDRIA, VA, US) Claims: We claim: 1. A process for the production of high-purity zirconia, which consists essentially of the steps of leaching dissociated zircon or zirconiferous material consisting essentially of a mixture of zirconia and silica wi...