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:
Dec. 12, 1989
Filed:
Dec. 22, 1986
Applicant:
Inventors:
Francis W Tuominen, Minneapolis, MN (US);
Ronald R Swanson, Taylors Falls, MN (US);
Phillip L Mattison, New Brighton, MN (US);
Kenneth D MacKay, Plymouth, MN (US);
Bradley W Glorvigen, St. Paul, MN (US);
Assignee:
Henkel Corporation, Ambler, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548497 ; 562433 ; 562443 ; 562445 ; 562448 ; 562553 ; 562554 ; 562559 ; 562523 ; 562562 ; 562563 ; 562570 ; 562576 ;
Abstract
Amino acids can be purpified and/or concentrated by extracting aqueous mixtures such as fermentation broths by contacting an aqueous mixture containing amino acids with an organic solution containing a water insoluble extractant selected from the group consisting of: