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. 31, 1994
Filed:
May. 14, 1991
Elizabeth J Gladfelter, Falcon Heights, MN (US);
Tina O Outlaw, Inver Grove Heights, MN (US);
James L Copeland, Burnsville, MN (US);
Rhonda K Schulz, Burnsville, MN (US);
Daniel K Boche, Eagan, MN (US);
Jeff W Peterson, Minnetonka, MN (US);
Ecolab Inc., St. Paul, MN (US);
Abstract
The invention is an alkaline cleaning system which includes an alkaline detergent composition having a pH greater than 10.5 when diluted to a 1 wt-% aqueous solution, and an alkali stable continuous polymeric film dispersible or soluble in aqueous liquids covering the detergent composition. The invention also includes methods of using the alkaline cleaning system by applying an aqueous diluent automatically (by machine) or manually through partial or complete dissolution of the film covered solid.