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Last Updated: October 6, 2022

Patent: 4,427,827

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Summary for Patent: 4,427,827
Title: Synthesis of hormone fragments
Abstract:The yield of peptide synthesis processes of the type in which a protected intermediate resin peptide of the formula Resin--CH.sub.2 --O--Phe--X, Resin--CH.sub.2 --O--Gly--X, Resin--CH.sub.2 --O--Ala--X, or Resin--CH.sub.2 --O--Leu--X is deprotected, and successively protected amino acids are coupled to the resin peptide and deprotected, is increased significantly by deprotecting the first residue with trifluoroacetic acid and deprotecting the other residues with hydrogen chloride.
Inventor(s): Stevenson; David (Scarsdale, NY)
Assignee: USV Pharmaceutical Corporation (Tarrytown, NY)
Application Number:06/435,581
Patent Claims:see list of patent claims

Details for Patent 4,427,827

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Nps Pharmaceuticals, Inc. NATPARA parathyroid hormone For Injection 125511 01/23/2015 See Plans and Pricing 2039-03-29
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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