ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,640, issued on April 14, was assigned to BYK-Chemie GmbH (Wesel, Germany).
"Sheet silicate lamellae with a high aspect ratio" was invented by Hussein Kalo (Wesel, Germany), Josef Breu (Bayreuth, Germany), Matthias Stoeter (Nuremberg, Germany) and Matthias Daab (Bayreuth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to sheet silicate lamellae of a 2:1 sheet silicate with a high aspect ratio, to a method for producing these sheet silicate lamellae and to an aqueous dispersion which comprises the sheet silicate lamellae. The present invention further relates to the use of the sheet silicate lamellae of the inven...