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. 28, 2003
Filed:
Feb. 01, 2001
Applicant:
Inventors:
James J. Tarara, Woodbury, MN (US);
Sally K. Swart, Inver Grove Heights, MN (US);
Tareasa Lynn Bradley, Inver Grove Heights, MN (US);
Reid Rabon, South St. Paul, MN (US);
Denise Chandler, St. Paul, MN (US);
Assignee:
Ecolab Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 7/42 ; C11D 3/386 ;
U.S. Cl.
CPC ...
C11D 7/42 ; C11D 3/386 ;
Abstract
The present invention relates to a solid enzyme cleaning composition in which the enzyme is stable in the presence of mixtures of carbonate and bicarbonate at alkaline pH, and methods employing this composition. The enzyme cleaning composition preferably employs weight ratios of carbonate and bicarbonate to stabilize one or more enzymes in a solid, a concentrate, and/or a use composition, and at temperatures higher than ambient.