A process for converting gaseous alkanes to olefins, higher molecular weight hydrocarbons or mixtures thereof wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid is then reacted...http://www.google.com.au/patents/US7674941?utm_source=gb-gplus-sharePatent US7674941 - Processes for converting gaseous alkanes to liquid hydrocarbons
