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:
Jan. 25, 1994
Filed:
Oct. 20, 1992
Applicant:
Inventors:
Ivan C Good, Goshen, IN (US);
Chong Y Kim, Elkhart, IN (US);
Jayarama K Shetty, Elkhart, IN (US);
Kent M Sproat, Granger, IN (US);
Assignee:
Solvay Enzymes, Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435202 ; 435201 ;
Abstract
The present invention relates to a method for the preparation of a purified amylase recovered from a fermentation broth, by the addition of a precipitation agent which is a halide salt, most preferably sodium or potassium chloride. According to a preferred embodiment, a further precipitation agent is added which is an organic compound, most preferably an alkyl ester of 4-hydroxybenzoic acid. The present invention also relates to the purified amylases so obtained and to the uses of these purified amylases.