creator Ali, Mir Akbar creator Bratschun, William R. creator Pincus, Alexis G. An improved ternary lanthanum-zinc-borate glass composition having improved ultraviolet light transmission in near ultraviolet spectral range, and a process for preparing such a glass composition wherein the near ultraviolet light transmission is improved by small amounts of compounds such as lanthanum and zinc fluorides and chlorides, and tin, arsenic and antimony oxides. Submitted by Aric Ahrens (ahrens@iit.edu) on 2011-11-04T19:15:21Z No. of bitstreams: 1 3773528.pdf: 193723 bytes, checksum: 40872efa1177f02cbda926c973a2efe8 (MD5) Made available in DSpace on 2011-11-04T19:15:21Z (GMT). No. of bitstreams: 1 3773528.pdf: 193723 bytes, checksum: 40872efa1177f02cbda926c973a2efe8 (MD5) Previous issue date: 1973-11-20 IIT Research Institute 2009-04-30 1973-11-20 3,773,528 http://hdl.handle.net/10560/2294 en United States Patent Patent reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access