Promega has been awarded US Patent No. 8,519,119, "Methods of purifying a nucleic acid formulation and kit for use in performing such methods."

Rex Bitner is named as inventor.

Describes a formulation containing guanidine thiocyanate or guanidine hydrochloride together with acetamide, one or more acetamide derivatives, or a combination of acetamide and one or more acetamide derivatives, with methods to use the formulation, to purify one or more nucleic acids contained in a medium.

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