2750. REED, F. C. Carbon Black and Carbon Monoxide-Hydrogen Gas Mixtures From Natural Gas, etc. United States Patent 2,173,695, Sept. 19, 1939; appl. filed July 9, 1934, Serial No. 734,435; 8 claims (Cl. 23-212). Chem. Abs., vol. 34, 1940, p. 597.

Describes arrangement of apparatus and a process that comprises alternating the periods of combustion and dissociation of hydrocarbons within closed retorts, separating CO₂ from the gases of combustion, subjecting hydrocarbons to dissociating temperatures during said dissociating periods for producing a gas mixture of CH₄ and H₂, utilizing said CO₂ to cool the products of dissociation by heat exchange therewith, catalyzing any unsaturated compounds present to CH₄, then adding said CO₂ to said CH₄ and H₂ and subjecting the resultant mixture to high temperatures to produce said CO₂-H₂ gas mixtures.