ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,769, issued on Aug. 11, was assigned to BYK-Chemie GmbH (Wesel, Germany).
"Rheology control agent" was invented by Dominika Chajda (Wesel, Germany), Rene Nagelsdiek (Hamminkeln, Germany), Vera Leonhard (Mettman, Germany) and Heribert Holtkamp (Wesel, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a composition comprising a mixture of compounds according to formula (I) wherein IC1 and IC2 independently of one another and of each occurrence represent a hydrocarbyl group, AM independently of each occurrence represents a hydrocarbyl group, m is the average number of repeating units from 0 to 20, RP1 and RP2 independently...