Last Updated: November 8, 2026

Details for Patent: 3,657,327

Name: Drug Patent Intelligence for US Patent 3657327
Creator: DrugPatentWatch
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Summary for Patent: 3,657,327

Title:	Prostaglandin salts of tris(hydroxymethyl)aminomethane
Abstract:	FREE FLOWING CRYSTALS OF THE TRIS(HYDROXYMETHYL) AMINOMETHANE SALTS OF PGE2 AND PGF2A, AND PROCESSES FOR PRODUCING THOSE, ARE DISCLOSED. THOSE CRYSTALS ARE USEFUL FOR THE SAME PHARMACOLOGICAL AND MEDICAL PURPOSES AS PGE2 AND PGF2A, AND ARE ALSO USEFUL AS A MEANS FOR PURIFYING PGE2 AND PGF2A.
Inventor(s):	Walter Morozowich
Assignee:	Pharmacia and Upjohn Co
Application Number:	US42458A
Patent Claim Types: see list of patent claims

Drugs Protected by US Patent 3,657,327

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