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:
Aug. 29, 1995
Filed:
Sep. 24, 1993
Applicant:
Inventors:
Sadiq Shah, St. Louis, MO (US);
Fred Kirchner, St. Charles, MO (US);
Assignee:
E.R. Squibb and Sons, Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252 94 ; 252 95 ; 252 99 ; 252102 ;
Abstract
The present invention claims and describes an environmentally sound percarbonate based cleaner for removing cosmetic and pharmaceutical soils from pharmaceutical or cosmetic manufacturing surfaces. The invention includes a combination of a percarbonate; an ethylene oxide/propylene oxide block copolymer surfactant; and a bicarbonate salt. The invention is useful for removing hard-to-remove soils from a pharmaceutical or cosmetic manufacturing surface.