Liquid cleaning compositions and shampoos containing dianionic or alkoxylated dianionic surfactants
Patent 6239093 Issued on May 29, 2001. Estimated Expiration Date: 
December 22, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 22, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventors
AssigneeApplicationNo. 09/202869 filed on 12/22/1998US Classes:510/352, Plural sulfur-containing, anionically substituted surfactants510/119, For human scalp hair, scalp, or wig (e.g., shampoo, etc.)510/351, Sulfur containing anionically substituted surfactant which is admixed with a diverse non-soap surfactant510/428, Plural anionically substituted sulfur containing surfactants510/492Sulfur in the componentExaminersPrimary: Ogden, NecholusAttorney, Agent or FirmInternational ClassesC11D 3/43 (20060101)C11D 1/02 (20060101) C11D 1/14 (20060101) C11D 1/38 (20060101) C11D 1/86 (20060101) C11D 1/65 (20060101) C11D 1/83 (20060101) C11D 1/16 (20060101) AbstractThis invention relates to a liquid cleaning composition or shampoo comprising a surfactant system containing a dianionic or alkoxylated dianionic surfactant having 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 or an alkoxy-linked sulfate group and the other anionic substituent is selected from sulfate and sulfonate optionally alkoxy-linked, in combination with one or more other co-surfactants.Other References
Field of SearchSulfur containing anionically substituted surfactantSulfur containing anionically substituted surfactant Plural anionically substituted sulfur containing surfactants Amido nitrogen (e.g., urea, etc.) For human scalp hair, scalp, or wig (e.g., shampoo, etc.) Sulfur in the component Sulfur containing anionically substituted surfactant which is admixed with a diverse non-soap surfactant Plural sulfur-containing, anionically substituted surfactants | |
