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:
Oct. 26, 1993
Filed:
Dec. 27, 1991
Applicant:
Inventors:
Jayarama K Shetty, Elkhart, IN (US);
Chimanbhai P Patel, Mishawaka, IN (US);
Mary A Nicholson, Portazi, MI (US);
Assignee:
Solvay Enzymes, Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435222 ; 435221 ;
Abstract
A highly purified alkaline protease preparation is produced by separating a mixture containing amorphous form and crystalline form of alkaline protease from ultrafiltrate containing impurities, through a method which includes the incubation of an aqueous alkaline protease concentrate with sodium chloride and carbohydrate hydrolyse enzymes at an elevated temperature greater than 20.degree. C. and a pH between pH 4.0 and pH 6.5 at constant agitation.