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Personal care composition containing a non-guar galactomannan polymer derivative and an anionic surfactant systemRelated Patent Categories: Cleaning Compositions For Solid Surfaces, Auxiliary Compositions Therefor, Or Processes Of Preparing The Compositions, Cleaning Compositions Or Processes Of Preparing (e.g., Sodium Bisulfate Component, Etc.), For Cleaning A Specific Substrate Or Removing A Specific Contaminant (e.g., For Smoker`s Pipe, Etc.), For Human SkinPersonal care composition containing a non-guar galactomannan polymer derivative and an anionic surfactant system description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070027051, Personal care composition containing a non-guar galactomannan polymer derivative and an anionic surfactant system. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation-in-part of U.S. Non-Provisional application Ser. No. 11/264,497 (Case 9825M), filed on Nov. 1, 2005 and Provisional Application Ser. No. 60/625,633 (Case 9825P), filed on Nov. 5, 2004. FIELD OF THE INVENTION [0002] The present invention relates to personal care compositions comprising a non-guar galactomannan polymer derivative having a mannose to galactose ratio of greater than 2:1. More particularly, the present invention relates to personal care compositions comprising a particular anionic surfactant system and a cationic or amphoteric non-guar galactomannan polymer derivative having a mannose to galactose ratio of greater than 2:1. In one aspect, the present invention relates to personal care compositions as described above which further comprise one or more conditioning agents. BACKGROUND OF THE INVENTION [0003] Personal care compositions comprising various combinations of detersive surfactants and conditioning agents are known. These products typically comprise an anionic detersive surfactant in combination with a conditioning agent such as silicone, hydrocarbon oil, fatty esters, or combinations thereof. These products have become more popular among consumers as a means of conveniently obtaining hair or skin conditioning and cleansing performance all from a single personal care product. [0004] Many personal care compositions, though, do not provide sufficient deposition of conditioning agents onto hair and skin during the cleansing process. Without such deposition, large proportions of conditioning agent are rinsed away during the cleansing process, and, therefore, provide little or no conditioning benefit. Without sufficient deposition of the conditioning agent on the hair and skin, relatively high levels of conditioning agents may be needed in the personal care composition to provide adequate conditioning performance. However, high levels of a conditioning agent can increase raw material costs, reduce lathering, and present product stability concerns. [0005] Obtaining good deposition of a conditioning agent is further complicated by the action of detersive surfactants in the personal care composition. Detersive surfactants are designed to carry away or remove oil, grease, dirt, and particulate matter from the hair and skin. As a result, the detersive surfactants can interfere with deposition of the conditioning agent and can remove both deposited and non-deposited conditioning agent during rinsing. Consequently, after rinsing, the deposition of the conditioning agent onto the hair and skin is reduced, which, in turn, reduces conditioning performance. Therefore, to achieve desired conditioning performance with a given conditioning agent, a specific anionic surfactant system may be needed for use in combination with the given conditioning agent. [0006] One method for improving deposition of a conditioning agent involves the use of certain cationic deposition polymers. Commonly used cationic deposition polymers include natural polymers, such as guar gum polymers that have been modified with cationic substituents. Guar gum polymers are galactomannans containing two mannose monomers with a glycoside linkage and one galactose monomer attached to a hydroxyl group of the mannose monomers (i.e., guar gum polymers have a mannose to galactose ratio of 2:1 on a monomer to monomer basis). Selecting a cationic guar deposition polymer with sufficient charge density and molecular weight, in combination with an optimized surfactant system, results in sufficient deposition of conditioning agents. However, to achieve this sufficient deposition of conditioning agents in shampoo or body wash compositions using a cationic guar polymer, a relatively high level of such cationic guar polymer generally must be deposited on the hair or skin. Moreover, the cost of such cationic guar polymer is relatively high. As a result, incorporation of cationic guar polymer can add to the manufacturing costs of such personal cleansing compositions. [0007] Accordingly, there is a continuing need for a personal cleansing composition which delivers superior conditioning benefits to hair and/or skin, without a reduced cleansing performance, through relatively low deposition of an inexpensive cationic or amphoteric polymer in combination with a particular anionic surfactant system. SUMMARY OF THE INVENTION [0008] The present invention is directed to a personal care composition comprising: [0009] a) A personal care cleansing composition comprising: [0010] (a) a first cationic polymer having a mean charge density from 0.2 to 0.85 meq/g, [0011] (b) a second cationic polymer having a mean charge density from 1.0 to 7.0 meq/g, [0012] (c) from about 5 wt. % to about 50 wt. % of an anionic surfactant system, said anionic surfactant system comprising at least one anionic surfactant and having an ethoxylate level and an anion level, [0013] i) wherein said ethoxylate level is from about 2 to about 6; and [0014] ii) wherein said anion level is from about 1 to about 4; and [0015] (d) at least about 20 wt. % of an aqueous carrier. DETAILED DESCRIPTION OF THE INVENTION [0016] While the specification concludes with claims that particularly point out and distinctly claim the invention, it is believed the present invention will be better understood from the following description. [0017] The personal care compositions of the present invention comprise a cationic galactomannan polymer, an anionic surfactant system, and an aqueous carrier. Each of these essential components, as well as preferred or optional components, is described in detail hereinafter. [0018] Herein, "comprising" means that other steps and other ingredients which do not affect the end result can be added. This term encompasses the terms "consisting of" and "consisting essentially of". The compositions and methods/processes of the present invention can comprise, consist of, and consist essentially of the essential elements and limitations of the invention described herein, as well as any of the additional or optional ingredients, components, steps, or limitations described herein. [0019] All percentages, parts and ratios are based upon the total weight of the compositions of the present invention, unless otherwise specified. All such weights as they pertain to listed ingredients are based on the active level and, therefore, do not include solvents or by-products that may be included in commercially available materials, unless otherwise specified. The term "weight percent" may be denoted as "wt. %" herein. [0020] All molecular weights as used herein are weight average molecular weights expressed as grams/mole, unless otherwise specified. [0021] The term "charge density", as used herein, refers to the ratio of the number of net positive charges on a monomeric unit of which a polymer is comprised to the molecular weight of said monomeric unit. The charge density multiplied by the polymer molecular weight determines the number of positively charged sites on a given polymer chain. [0022] The term "polymer" as used herein shall include materials whether made by polymerization of one type of monomer or made by two (i.e., copolymers) or more types of monomers. [0023] The term "water-soluble" as used herein, means that the polymer is soluble in water in the present composition. In general, the polymer should be soluble at 25.degree. C. at a concentration of at least 0.1% by weight of the water solvent, preferably at least 1%, more preferably at least 5%, most preferably at least 15%. [0024] The term "water-insoluble" as used herein, means that a compound is not soluble in water in the present composition. Thus, the compound is not miscible with water. [0025] The term "particle size" as used herein refers to the average mean particle size of a group of particles in the final composition of the present invention. For opaque compositions and/or those containing small to large sized particles (i.e., about 100 nm to about 50 .mu.m), particle size may be measured by means of a laser light scattering technique, using a Horiba model LA 910 Laser Scattering Particle Size Distribution Analyzer (Horiba Instruments, Inc. Irvine, Calif., USA). For substantially clear compositions and/or those containing nano sized particles (i.e., less than about 100 nm), particle size may be measured by means of a dynamic light scattering controlled reference method (i.e., which uses a heterodyne detection technique), using a Microtrac.RTM. model UPA 150 Ultrafine Particle Size Analyzer (Honeywell, Inc., Industrial Automation and Control, St. Petersburg, Fla., USA). 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