ALEXANDRIA, Va., July 14 -- United States Patent no. 12,677,968, issued on July 14.
"Biodegradable tea leaf straw and method for making the same" was invented by Hsien-Ming Wang (Tainan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A biodegradable tea leaf straw suitable for use above room temperature and its manufacturing method. The straw includes a tubular body made from a composite. The composite includes the following raw materials by weight percentage: 35% to 65% of tea leaf mixture and 35% to 65% of biodegradable material. The tea leaf mixture contains tea leaf powder and inorganic filler powder. A particle size of the tea leaf powder is smaller than that of the inorganic filler powder. ...