>>8671823

Adrenochrome Patent

Process for extracting: US patent 4501923

https://patentimages.storage.googleapis.com/d5/d5/89/6f865dfeb752c5/US4501923.pdf

Assignee: Riker Laboratories Inc. MN - Owned by 3M

https://www.bloomberg.com/profile/company/1353737D:US