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:
Feb. 08, 2005
Filed:
May. 18, 2001
Applicant:
Indra Prakash, Hoffman Estates, IL (US);
Inventor:
Indra Prakash, Hoffman Estates, IL (US);
Assignee:
The Nutrasweet Co., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C229/00 ; C07D263/42 ;
U.S. Cl.
CPC ...
Abstract
Synthesis of N-[N-(3,3-dimethylbutyl)-L-α-aspartyl]-L-phenylalanine 1-methyl ester by treating N-(3,3-dimethylbutyl)-L-aspartic acid with ketones to give oxazolidinone derivatives, which are condensed with L-phenylalanine methyl ester.