ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,353, issued on Dec. 2, was assigned to BYK-Chemie GmbH (Wesel, Germany).
"Comb polymer and use thereof as dispersing agent" was invented by Ina Van Kamp (Wesel, Germany), Andreas Okkel (Wesel, Germany), Sandra Sabrina Meyer (Wesel, Germany) and Astrid Rudolfi (Wesel, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a comb polymer having repeating units of at least one of the structures of formulae (I) to (IV) wherein R1 represents a polyoxyalkylene group and A represents an organic group, and wherein the comb polymer has end groups of the general formula (V) wherein R2 and R3 independent of each other are selected from ...