ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,000, issued on April 8, was assigned to SHELL USA INC. (Houston).
"Recovery of aliphatic hydrocarbons" was invented by Jean-Paul Andre Marie Joseph Ghislain Lange (Amsterdam), Kai Jurgen Fischer (Amsterdam), Guus Van Rossum (Amsterdam), Timothe Johannes Olthof (Amsterdam), Willem Derks (Amsterdam) and Hendrik Stichter (Amsterdam).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid stream comprising aliphatic hydrocarbons, heteroatom containing organic compounds and optionally aromatic hydrocarbons, involving a) liquid-liquid extraction of said liquid stream with an...