ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,028, issued on July 7, was assigned to EMPA EIDGENOSSISCHE MATERIALPRUFUNGSUND FORSCHUNGSANSTALT (Dubendorf, Switzerland).
"Q-T-siloxane-based polymeric materials with high siloxane ring content and method for preparing same" was invented by Matthias Koebel (Bruttisellen, Switzerland), Marek Nemec (Poprad, Slovak Republic) and Stefanie Hauser (Nafels, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention pertains to a branched polymeric liquid poly siloxane material comprising non-organofunctional Q-type siloxane moieties and mono-organofunctional T-type siloxane moieties, as well as optionally tri-organofunctional M-type s...