The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 1984
Filed:
Oct. 20, 1982
Applicant:
Inventor:
David Stevenson, Scarsdale, NY (US);
Assignee:
USV Pharmaceutical Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C08L / ;
U.S. Cl.
CPC ...
525 5411 ; 2601 / ;
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.