US Patent Issued to PPG Industries Ohio on March 3 for "Co-reactive additive manufacturing compositions and articles for use in investment casting" (Pennsylvania Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,876, issued on March 3, was assigned to PPG Industries Ohio Inc. (Cleveland).

"Co-reactive additive manufacturing compositions and articles for use in investment casting" was invented by Bret M. Boyle (Pittsburgh), Cynthia Kutchko (Pittsburgh), Bryan W. Wilkinson (Pittsburgh), Jacob M. Kupas (Pittsburgh) and Kerianne M. Dobosz (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "Reactive additive manufacturing compositions with low amounts of noncombustible materials are provided, as well as methods of making and using the compositions. The compositions comprise two or more reactive components and a filler."

The patent was filed on Feb. 25, 2...