ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,873, issued on July 14, was assigned to Guangzhou Binding Technologies Co. Ltd. (Guangzhou, China).

"Alkali-tolerant affinity chromatography ligands" was invented by Yinong Zong (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to chromatography ligands comprising one or more domains of Staphylococcal Protein A (SPA), or any functional variants thereof, as well as methods of making and using the same."

The patent was filed on July 21, 2023, under Application No. 18/356,944.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p...