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:
Jan. 04, 2000
Filed:
Oct. 06, 1997
Applicant:
Inventor:
Thomas Wayne Del Pesco, Hockessin, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
8137 ; 510280 ; 510299 ; 510423 ; 510424 ; 510528 ;
Abstract
This invention relates to aqueous cleaning formulations particularly useful in the hot water extraction cleaning of textile fabrics such as rugs, carpets and upholstery. The cleaning formulations are essentially free of organic solvents and comprise 0.1 to 50 grams of an inorganic or organic builder per gallon of cleaning formulation, 0.1 to 100 grams of a mixed alkyl ethoxylate (C.sub.10 -C.sub.16) nonionic surfactant, with a hydrophile-lipophile balance value in the range of 10.5 to 15, per gallon of cleaning formulation, and 0.1 to 100 grams of a fluorosurfactant per gallon of cleaning formulation.