ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,489, issued on March 17, was assigned to ISP Investments LLC.

"Radiation dosimetry method" was invented by David K. Hood (Basking Ridge, N.J.) and Mark Allen Davies (Scotch Plains, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and computing apparatus for implementing a radiation dosimetry process. An example process may include exposing a first radiation sensitive film to a series of known doses of radiation, measuring a first set of radiation data with a measurement device, and determining a calibration curve. The calibration curve may be determined by selecting Raman spectral ranges based on the first set of radiation data, determin...