Did you know that Minnesota Mining and Manufacturing Company owned the (now-expired) patent “Process for Preparing Adrenochrome”.
Process for Preparing Adrenochrome
Patent number: 4,501,923
Inventor: Deryck F. Boot, Knighton England
Assignee: Minnesota Mining & Manufacturing Company (now 3M)
Date: February 26, 1985
Channel:@JFK_TV
AKA 3M.