Neutral pH freezer bar and process

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5225098
SERIAL NO

07854931

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention provides a firm, ultra mild, neutral pH freezer bar comprising: from about 10% to about 50% of monocarboxylic acid; wherein from about 20% to about 65% by weight of said monocarboxylic acid is neutralized; from about 20% to about 65% of an anionic and/or nonionic bar firmness aid, and from about 15% to about 40% water by weight of said bar; wherein said neutral pH is from about 6.3 to about 8.0; wherein the neutral pH freezer bar is made by the following steps: I. mixing a molten (170.degree.-205.degree. F.; 76.degree.-96.degree. C.) mixture comprising said carboxylic acid; water; and bar firmness aid; neutralizing said 20% to about 65% of said carboxylic acid, preferably with sodium hydroxide; II. cooling said mixture to a semi-solid in a scraped wall heat exchanger freezer; III. extruding said semi-solid as a soft plug; and further cooling and crystallizing said soft plug until firm to provide said neutral pH personal cleansing freezer bar.

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Patent Owner(s)

  • THE PROCTER & GAMBLE COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Evans, Marcus W Cincinnati, OH 5 170
Hedges, Steven K Fairfield, OH 2 32
Kacher, Mark L Mason, OH 13 531
Koczwara, Constance S Cincinnati, OH 2 32
Leslie, Thomas F Edgewood, KY 3 48
Schmidt, Diane G Cincinnati, OH 8 491
Taneri, James E West Chester, OH 14 433

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