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:
Dec. 10, 2002
Filed:
Nov. 09, 1999
Applicant:
Inventors:
Ahmed F. Abdel-Magid, Lansdale, PA (US);
Urs Eggmann, Fluringen, CH;
Cynthia Anne Maryanoff, New Hope, PA (US);
Adrian Thaler, Stetter, CH;
Frank J. Villani, Perkasie, PA (US);
Assignee:
Ortho Pharmaceutical Corporation, Raritan, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 1/00 ; C07K 1/02 ; C07K 5/00 ;
U.S. Cl.
CPC ...
C07K 1/00 ; C07K 1/02 ; C07K 5/00 ;
Abstract
The invention realtes to improved liquid phase processes for the preparation of the 21 residue protein component, (Lys-Leu ) -Lys, of the pulmonary surfactant KL-4. These process are amenable to large scale synthesis and one process employs a method of saponifying an ester which reduces the inherent racemization of the &agr;-carbon.