Patent 7318931 was granted and assigned to Genentech on January, 2008 by the United States Patent and Trademark Office.
A composition comprises a protein, a polyol, and a metal. The protein is stabilized by the polyol and the metal, and is protected from denaturing when in contact with an organic solvent. The polyol may be a hydrocarbon containing two or more hydroxyl groups (—OH) bonded to carbon. The metal may be divalent.