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:
Dec. 29, 1992
Filed:
Sep. 06, 1991
Sandra L Honsa, Middletown, OH (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The present invention provides highly-built, liquid detergent compositions comprising: one or more conventional anionic, nonionic or cationic detersive surfactants; one or more optical brighteners; one or more polyhydroxy fatty acid amides of the general formula ##STR1## wherein R.sup.1 is H, a C.sub.1 -C.sub.4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, or mixtures thereof, R.sup.2 is a C.sub.5 -C.sub.31 hydrocarbyl group, and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyl groups directly connected to the chain, or an alkoxylated derivative thereof; one or more detergent builders; and a liquid carrier; wherein the optical brightener is added to the detergent composition in admixture with the polyhydroxy fatty acid amide. The present invention also provides a premix for use in the formulation of liquid detergent compositions, said premix comprising one or more optical brighteners, one or more polyhydroxy fatty acid amides and a liquid carrier. The present invention further provides a method for preparing optical brightener-containing liquid detergent compositions wherein said brightener is added to said detergent compositions via the above-described premix.
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