US Patent Issued to The Procter & Gamble on Jan. 13 for "Multilayer dissolvable solid article with specific aspect ratio" (Chinese, Singaporean, American Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,788, issued on Jan. 13, was assigned to The Procter & Gamble Co. (Cincinnati).

"Multilayer dissolvable solid article with specific aspect ratio" was invented by Hongsing Tan (Beijing), Robert Wayne Glenn Jr. (Liberty Township, Ohio), Carl David Mac Namara (Beijing), Xu Huang (Beijing), Ruizhi Pei (Beijing) and Toshiyuki Okada (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "This provides an improved dissolvable solid article with a specific aspect ratio. Such dissolvable solid article has a multilayer structure comprising two or more flexible, dissolvable, porous sheets, while each of which comprises a water-soluble polymer and a surfactant...