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:
May. 21, 1991
Filed:
Aug. 11, 1989
Applicant:
Inventor:
Jennifer M Quirk, Highland, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
530335 ; 530337 ; 530801 ; 560 40 ; 560 41 ;
Abstract
N-formyl amino acid or peptide is deformylated by reaction with aniline or methylene dianiline over noble metal catalyst, e.g., Pt-on-carbon. N-formanilide is formed as by-product. The process is particularly useful in deformylating N-formyl aspartame.