ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,698, issued on July 21, was assigned to Agilent Technologies Inc. (Santa Clara, Calif.).

"Fast deprotecting n-exocyclic amino cyclic hydrocarbon protected groups for nucleoside phosphoramidites" was invented by Benjamin D. Lunstad (Boulder, Calif.), Douglas J. Dellinger (Boulder, Calif.) and Robert Kaiser (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compounds useful for forming nucleic acids having the structure of Formula I:Each of R1 or R2 is independently selected from hydrogen, a protecting group, or a phosphoramidite group. R3 is selected from H, F, O-C1-6 alkyl, O-MOE and a removable hydroxyl-protecting group. Q is a het...