Patent Presents New Pharmaceutical Licensing Opportunities PURCHASE, N.Y.--(BW HealthWire)--Nutrition 21, Inc. (Nasdaq: NXXI - news), a leading developer and marketer of clinically proven nutritional products, announced today that the United States Patent and Trademark Office has issued a patent to the company for the use of chromium picolinate in high doses to stabilize blood glucose levels and reduce hyperglycemia associated with Type 2 diabetes.