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:
Apr. 01, 1997
Filed:
Sep. 26, 1995
Applicant:
Inventors:
Takeru Sato, Kawasaki, JP;
Chiaki Sano, Kawasaki, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562401 ; 562443 ;
Abstract
A method of obtaining optically active anhydrous phenylalanine crystals from an aqueous solution containing optically active phenylalanine, which involves crystallizing and precipitating optically active phenylalanine from an optically active phenylalanine super-saturated solution at a temperature, T, wherein the super-saturated solution is required to have an osmotic pressure .pi. (mOsm/kg.H.sub.2 O) which is related to said temperature T in accordance with the following formula (I):
Sato, Takeru. (1997). Method of obtaining anhydrous phenylalanine crystals (U.S. Patent No. 5616786). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5616786
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