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:
May. 20, 2008
Filed:
Oct. 31, 2003
Applicants:
Kaoru Okakura, Kanagawa, JP;
Koji Yanai, Kanagawa, JP;
Inventors:
Kaoru Okakura, Kanagawa, JP;
Koji Yanai, Kanagawa, JP;
Assignee:
Meiji Seika Kaisha, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 9/42 (2006.01); C12N 5/16 (2006.01); C12Q 1/34 (2006.01); C12P 21/06 (2006.01); C07H 21/04 (2006.01); C11D 3/00 (2006.01); C07K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a novel cellulase having an amino acid sequence in which the 162nd and/or 166th amino acid residues in the amino acid sequence of cellulase NCE5 are substituted. Further, a polynucleotide encoding the novel cellulase, an expression vector containing the polynucleotide, a host cell transformed with the expression vector, and a cellulase preparation and a washing composition containing the cellulase are disclosed. The cellulase of the present invention is resistant to surfactants, and maintains a high activity even under alkaline conditions.