US Patent Issued to SUZHOU 3N BIOLOGICAL TECHNOLOGY on May 19 for "Method for effectively measuring tear protein content in soft hydrophilic corneal contact lens" (Chinese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,552, issued on May 19, was assigned to SUZHOU 3N BIOLOGICAL TECHNOLOGY Co. LTD (Suzhou, China).

"Method for effectively measuring tear protein content in soft hydrophilic corneal contact lens" was invented by Bixia Sun (Suzhou, China) and Ruichun Sun (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for effectively measuring the tear protein content of a soft hydrophilic corneal contact lens is provided in the present invention. The method comprises: preparing a protein extraction solution by mixing acetonitrile, pure water and trifluoroacetic acid; placing the soft hydrophilic corneal contact lens with protein adsorbed on its su...