ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,321, issued on July 8, was assigned to SILK TECHNOLOGIES LTD. (Plymouth, Minn.).
"Fibroin-derived protein composition" was invented by Brian D. Lawrence (Plymouth, Minn.) and David W. Infanger (Plymouth, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protein composition derived from silk fibroin, which composition possesses enhanced solubility and stability in aqueous solutions. The primary amino acid sequence of native fibroin is modified in the SDP such that cysteine disulfide bonds between the fibroin heavy and fibroin light protein chains are reduced or eliminated. Additionally, the composition can have a serine content that is reduced by...