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:
Jul. 23, 2002
Filed:
Nov. 24, 1999
Applicant:
Inventors:
Indra Prakash, Hoffman Estates, IL (US);
Christine M. V. Moore, Mount Prospect, IL (US);
Kurt Wachholder, Elgin, IL (US);
Assignee:
The NutraSweet Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester is crystallized in order to give highly pure product in high yield. In a preferred embodiment of the present invention, N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester is crystallized directly from an aqueous methanol reaction mixture.
Prakash, Indra. (2002). Purification of n-[n-(3,3-dimethylbutyl)-l-&agr;-aspartyl]-l-phenylalanine 1-methyl ester via crystallization (U.S. Patent No. 6423864). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6423864
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile