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Guinter Kahn dies at 80; physician helped develop Rogaine for baldness
Guinter Kahn dies at 80; physician helped develop Rogaine for baldness

Dr. Guinter Kahn, a dermatologist credited with helping develop the first baldness remedy recognized by the U.S. Patent and Trademark Office, has died. He was 80. Kahn died Sept. 17 at a Miami hospice, said his daughter, Michelle. His health had been declining since a stroke eight years ago. Kahn's name was added to the patent for minoxidil in 1986 after a 15-year legal struggle with Upjohn Co. Minoxidil is the active ingredient in Rogaine. Upjohn originally synthesized minoxidil to treat high blood pressure in the early 1960s. When Dr. Charles Chidsey — one of the company's consultants working at the University of Colorado's medical school — noticed the drug...

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