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. 11, 2025
Filed:
Dec. 27, 2021
Applicant:
Ajinomoto Co., Inc., Tokyo, JP;
Inventors:
Shuvendu Biswas, Kawasaki, JP;
Naoya Yamato, Kawasaki, JP;
Assignee:
AJINOMOTO CO., INC., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/47 (2006.01); A61K 8/02 (2006.01); A61K 8/42 (2006.01);
U.S. Cl.
CPC ...
C07C 233/47 (2013.01); A61K 8/022 (2013.01); A61K 8/42 (2013.01); A61K 2800/622 (2013.01); C07B 2200/13 (2013.01);
Abstract
An unground N-long chain acyl lysine crystal production method that includes: preparing a solution having at least one type of N-long chain acyl lysine dissolved in an acidic or basic solvent including water and/or one type selected from water-soluble organic solvents; dipping the solution into an acidic solution having a pH of at least 0.2 and less than 2.0, at a temperature of no more than 20° C.; and crystallizing N-long chain acyl lysine crystals.