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:
Nov. 19, 1996
Filed:
Apr. 03, 1995
Applicant:
Inventors:
Fu-Pao Tsao, Lawrenceville, GA (US);
Rosalind Dandridge, Doraville, GA (US);
Assignee:
Ciba Geigy Corp., Tarrytown, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510112 ; 252175 ; 134 26 ; 134 42 ;
Abstract
A pH controlled protein removal system and method in the substantial absence of (a) enzyme and (b) a surfactantly effective amount of a surfactant is disclosed. The method comprises contacting a substrate with a cleaning composition therefor, which compostion is substantially free of (a) enzyme and (b) surfactantly effective amount of a surfactant, for a period of time at an alkaline pH and removing said substrate from said composition.