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:
Sep. 28, 1999
Filed:
Jun. 25, 1997
Jean-Luc Philippe Bettiol, Brussels, BE;
Peter Robert Foley, Cincinnati, OH (US);
Stephen Wayne Heinzman, Whitley Bay, GB;
Barry Thomas Ingram, Whitley Bay, GB;
Alison Lesley Main, Whitley Bay, GB;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
Detergent compositions comprising: a) a dianionic cleaning agent comprising a structural skeleton of at least five carbon atoms to which two anionic substituent groups spaced at least three atoms apart are attached, wherein one anionic substituent group is a sulfate group and the other anionic substituent is selected from sulfate and sulfonate; b) a nonionc surfactant (preferably alkyl ethoxylates, especially alkyl ethoxylates having an average of at least 3 ethoxylates); c) in total, less than about 20% by weight anionic surfactants; d) optionally, co-surfactants selected from the group consisting of amphoteric surfactants, zwitterionic surfactants, cationic surfactants, and mixtures thereof; and e) detergent composition adjunct ingredients; and wherein the weight ratio of anionic surfactant to nonionic surfactant plus any optional co-surfactant d) is with the range of from about 1:1 to about 1:10.