US Patent Issued to SIKA TECHNOLOGY on Dec. 16 for "Separation sheet and use thereof for providing waterproofed structures" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,545, issued on Dec. 16, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"Separation sheet and use thereof for providing waterproofed structures" was invented by Yizhe Wei (Shanghai) and Qin Wei (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separation sheet includes a polymeric carrier layer, a first adhesive layer, a second adhesive layer, and optionally a first and a second release liner. A method for producing a separation sheet, a method for waterproofing a substrate, a waterproofed substrate, and a use of the separation sheet for bonding of roof membranes to roof substrates."

The patent was filed on April 2, 2020, under App...