US Patent Issued to Sphere Fluidics on April 21 for "Surfactant" (British Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,747, issued on April 21, was assigned to Sphere Fluidics Ltd. (Cambridgeshire, Great Britain).

"Surfactant" was invented by Xin Li (Cambridgeshire, Great Britain), Clive Smith (Cambridgeshire, Great Britain) and Ben Mackworth (Cambridgeshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a surfactant of formula (I): (A)m-X-(B)n (I) wherein X is a linking group; each A is independently a fluorocarbon or a perfluoropolyether; each B is independently (II) wherein a is an integer between 3 and 50 and each R is independently C1-6 alkyl, CH2CH2OC1-6 alkyl or CH2CH(CH3)OC1-6 alkyl; m is an integer between 1 an...