The Procter Gamble Company

The B. F. Goodrich Company

Noveon IP Holdings Corp.

Noveon, Inc.

Hal Ambuter

Marcia Snyder

Julie F Schmucker-Castner

Ashley A Weaver

Sahira Kotian

Sahira Vijay Kotian

Steven Matthew Gabriel

Edward Paul Fitch, V

Janet Layne Marshall

Thomas H Glassco

Edward P Fitch

David Lee Hall

A stable, aqueous composition containing a substantially crosslinked alkali-swellable acrylate copolymer rheology modifier, a surfactant, an alkaline material, and various compounds therein, as for example substantially insoluble materials requiring suspension or stabilization, such as a silicone, an oily material, or a pearlescent material. Additionally, this invention also relates to the formation of a rheologically and phase stable cationic hair dye composition. The invention further relates to the incorporation of an acidic material after the addition of an alkaline material to reduce the pH of the composition without negatively impacting the viscosity of the composition.

Stable aqueous surfactant compositions

The present invention relates to thickened aqueous bleach compositions containing either an alkali metal hypohalite or peroxygen bleach. Compositions containing hypohalite or peroxygen bleaches are particularly difficult to thicken with sufficient stability for commercial value. The addition of a rheology stabilizer minimizes the loss of stability over time and enables compositions of varying bleach and pH level to be obtained. These compositions comprise an alkali metal hypohalite or peroxygen bleach, a polymeric rheology modifying agent, an effective amount of a rheology stabilizing agent, sufficient alkalinity buffering agent, with the remainder being water.

Thickened bleach compositions

A viscoelastic, thixotropic, liquid automatic dishwashing detergent composition which is substantially free of chlorine bleach and silicate and contains enzyme(s), an enzyme stabilizing system, and a detergent surfactant or detergent builder is provided. It has a product pH between about 7 and about 11.

Thixotropic liquid automatic dishwashing composition with enzyme

A process for preparing viscoelastic, thixotropic, liquid, polymer-containing detergent compositions which exhibit increased density, enhanced aesthetics and improved rheological efficiency of the polymer is provided. The polymer thixotropic thickening agent is simultaneously added and mixed as a slurry to a premix under moderate to high shear rate to neutralize and disperse the polymer. The product is deaerated to increase density and enhance aesthetics by continued mixing under low to moderate shear rate of the slurry/premix composition. Sequential addition and mixing to the slurry/premix of organic solvent, oil, suds suppressors and solid material can aid in the deaeration step.

Process for preparing thixotropic liquid detergent compositions

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Medina, OH, United States of America

Hal Ambuter