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:
Oct. 01, 1991
Filed:
Jul. 03, 1990
Applicant:
Inventors:
John B Hill, Woodstock, IL (US);
Yefim Gelman, Arlington Heights, IL (US);
Hugh L Dryden, Jr, Deerfield, IL (US);
Robert Erickson, Des Plaines, IL (US);
Kuang Hsu, Skokie, IL (US);
Mark R Johnson, Roselle, IL (US);
Assignee:
The Nutra Sweet Company, Deerfield, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562450 ; 560 41 ;
Abstract
A one-pot process for the preparation of .alpha.-L-aspartyl-L-phenylalanine methyl ester hydrochloride is disclosed (.alpha.-APM(HCl)). .alpha.-APM(HCl) is an intermediate in the preparation of aspartame.