ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,235, issued on Aug. 4, was assigned to CONSTRUCTION RESEARCH & TECHNOLOGY GMBH (Trostberg, Germany).
"Use of a naphthalenesulfonic acid polycondensate as a plasticizer in a construction composition and construction composition" was invented by Gulnihal Aykan (Dubai, United Arab Emirates), Michael Schmidt (Dubai, United Arab Emirates), Sridhara Gowda (Dubai, United Arab Emirates) and Massimo Bandiera (Trostberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A naphthalenesulfonic acid polycondensate is used as a plasticizer in a construction composition comprising sand at least one cementitious binder. The naphthalenesulfonic acid polycondensa...