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:
Mar. 12, 2002
Filed:
Feb. 14, 2000
Applicant:
Inventors:
Robert M. Kelly, Ellicott City, MD (US);
Stephen H. Brown, Owings Mills, MD (US);
Henry R. Costantino, Westfield, NJ (US);
Assignee:
Johns Hopkins University, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/28 ; C12N 9/24 ;
U.S. Cl.
CPC ...
C12N 9/28 ; C12N 9/24 ;
Abstract
It has been found that produces several starch hydrolyzing enzymes, both extracellularly and intracellularly, which retain their activity for several hours at or above 100° C. These comprise an &agr;-glucosidase, which has been highly purified, and amylolytic enzymes including an amylase and a pullulanase. In addition, at least one thermostable enzyme activity from that is useful in the process of degradation of cellulose to D-glucose has also been found, namely a &bgr;-glucosidase, which is also active up to at least 95° C.