Abstract: A compound derived from an extract of vegetative tissue of plants of the Genus Shortia demonstrates antitcarcinogenic potential by inhibiting the growth and development formation of tumors in living tissue in response to an organism known to cause the initiation of tumors in living tissue and by reducing mutation rates in living tissues exposed to a known mutagen.

Abstract: The subject matter disclosed herein generally relates to methods for producing glass compositions with a reduced number of defects.

Abstract: The invention provides a method of making ≧4 kHz repetition rate argon fluoride excimer laser crystal optics. The method includes providing a magnesium fluoride crystal solid precursor, nonmetallically crushing the magnesium fluoride solid precursor to provide a crushed low metal contaminant magnesium fluoride feedstock, providing a magnesium fluoride crystal growth crucible, loading the crushed magnesium fluoride feedstock into the crystal growth crucible, melting the loaded crushed magnesium fluoride feedstock to provide a precrystalline magnesium fluoride melt, growing an oriented magnesium fluoride crystal from the precrystalline magnesium fluoride melt, cooling the grown magnesium fluoride crystal to provide a magnesium fluoride laser optical crystal and forming the magnesium fluoride laser crystal into an excimer laser crystal optic for transmitting a high repetition rate (≧4 kHz repetition rate) excimer laser output.

Abstract: There is disclosed a process for producing a tri-halogenated polystyrene flame retardant for synthetic resins, whereby high molecular weight polystyrene is reacted with bromine chloride in a chlorinated hydrocarbon solvent, under substantially anhydrous conditions, in the presence of a catalytic amount of a Lewis acid.