ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,674, issued on Jan. 13, was assigned to YOKOGAWA FLUENCE ANALYTICS INC. (Stafford, Texas).

"Device and methods to actively control the production of multi-stage polymer production" was invented by Wayne Frederick Reed (New Orleans), Michael Felix Drenski (New Orleans) and Natalie Leonardi (New Orleans).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and methods for actively controlling the production of multistage and multimodal polymers. The device may include a reaction vessel configured to contain a polymer solution and generate polymer reactions in at least two stages as well as one or more detectors configured to monitor at least one reac...