US Patent Issued to SIKA TECHNOLOGY on July 1 for "Moisture-curable polyurethane composition with reduced surface tackiness" (Chinese, Swiss Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,701, issued on July 1, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"Moisture-curable polyurethane composition with reduced surface tackiness" was invented by Zhiyong Song (Suzhou, China) and Michael Schlumpf (Stallikon, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A moisture-curable composition, including: a) at least one polyurethane polymer P having isocyanate groups; b) at least one blocked polyamine BA having blocked, hydrolytically activatable amino groups; and c) at least one monoamine MA of formula (V),where Ra represents a linear, cyclic, or branched alkyl or alkenyl radical or optionally substituted aryl radical wit...