PATENTS

      163.            BECKHAM, L. J.  (Allied Chemical & Dye Corp.).  Nitrosyl Cholride-Olefin Addition Products.  United States Patent 2,435,570, Feb. 10, 1948.  Chem. Abs., vol. 42, 1948. p. 2983.

Gaseous or liquid NOCl is added to an olefin containing 12-30 C atoms.  Example: 100 parts of a mixture obtained from the dehydration of alcohols prepared by the hydrogenation of fatty acids from coconut oil and consisting largely of 1-C₁₂H₂₄ and 1-C₃₄H₂₈ with small amounts of other olefins are mixed at about 0° with 96 parts liquid NOCl.  After 5 hr. excess NOCl is removed with a stream of dry air, leaving the green-colored adducts of the olefins.  In the like manner are prepared the adducts of 1-C₂₆H₃₂ obtained by cracking paraffin wax at 403°-425°, a fraction b. 200°-300° from the reaction of CO and H₂ at 185°-190° over Co on kieselguhr: and a fraction b5 131°-250° from the cracking of a wax byproduct from the Fischer-Tropsch hydrogenation process.