Liquid detergent composition with a cationic foam stabilizing copolymer containing pendant quaternary nitrogen groups and pendant hydrophobic groups
Patent 4454060 Issued on June 12, 1984. Estimated Expiration Date: 
June 9, 2003. 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.
June 9, 2003. 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 References 2808349 3332904 3341505 3411912 3723358 Fibrous material made with polymers stabilized by polymerizable vinyl benzyltrialkyl ammonium salt surfactant Patent #: 4234381 InventorsApplicationNo. 06/502876 filed on 06/09/1983US Classes:510/429, Sulfonate surfactant with sulfate monoester surfactant510/237, Carboxamide, amine oxide, heterocyclic, quaternary, or zwitterion nitrogen-containing component510/475, Synthetic polymer or natural rubber (other than polyether, such as polyethylene glycol, alkylene oxide condensation products, etc.)510/496, With nitrogen containing organic component devoid of covalently bonded anionic substituents526/287, From monomer containing three or more oxygen atoms bonded to a single sulfur atom, e.g., sulfonate, etc.526/291From halogen containing monomer having at least three carbon atomsExaminersPrimary: Martin, Roland E. Jr.Assistant: Van Le, Hoa Attorney, Agent or FirmInternational ClassesC11D 17/00 (20060101)C11D 3/00 (20060101) C11D 3/37 (20060101) AbstractA foaming light duty aqueous liquid detergent composition especially useful for hand dishwashing containing 5 to 50 wt. % of non-cationic detergent active material, optional foam boosters and hydrotropes, and 0.1 to 10 wt. % of a cationic foam-stabilizing copolymer containing a major weight proportion of units derived from acrylamide and/or methacrylamide, about 0.5 to 2 wt. % of quaternary nitrogen as present in quaternary ammonium groups, and about 0.1 to 10 wt. % of pendant C8-24 hydrophobic, preferably alkyl groups.Said quaternary ammonium group-containing monomer has the formula ##STR1## wherein R1 is H or CH3, R2 and R3 are independently C1-4 alkyls,R4 is C1-4 akyl, C2-3 hydroxyalkyl, or benzylR2, R3 and R4 together contain less than 9 carbon atoms,Z is a water-solubilizing salt-forming anion, andM may be --CO--X--, then X is --O-- or --NR5 --, R5 is H or C1-4 alkyl and x is 1-6, orM may be phenylene then x is 1,said hydrophobic group-containing monomer has the formula ##STR2## wherein R1 is H or CH3, X is --O-- or --NR7 --,Y is --C2 H4 O-- or --C3 H7 O--,Y is 0-60,when X is --O--, R6 is C8-24 hydrocarbyl, andwhen X is --NR7-, R6 is C1-24 hydrocarbyl and R7 is H or C1-24 hydrocarbyl, at least one of R6 and R7 being C8-24 hydrocarbyl. | |
