US Patent Issued to REGENTS OF THE UNIVERSITY OF MICHIGAN on June 30 for "Tensile acoustic rheometry for characterization of viscoelastic materials" (Michigan Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,421, issued on June 30, was assigned to REGENTS OF THE UNIVERSITY OF MICHIGAN (Ann Arbor, Mich.).

"Tensile acoustic rheometry for characterization of viscoelastic materials" was invented by Cheri X. Deng (Ann Arbor, Mich.), Jan P. Stegemann (Ann Arbor, Mich.), Weiping Li (Ann Arbor, Mich.) and Eric C. Hobson (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A new acoustic technique, tensile acoustic rheometry (TAR) for performing rheology measurement of a soft viscoelastic material sample is provided. In TAR, an excitation acoustic pulse is applied using a focused ultrasound transducer to a sample material to induce oscillatory motion...