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Title:
【発明の名称】アミンオキシド界面活性剤中のニトリット汚染物の低減方法
Document Type and Number:
Japanese Patent JPH09504289
Kind Code:
A
Abstract:
Amine oxide surfactants contaminated with nitrite are treated under acidic conditions with materials such as maleic acid and diethylenetriaminepentaacetate (DTPA) to reduce nitrite levels below 1 ppm. Thus, C12-13 dimethyl amine is oxidized with hydrogen peroxide in the presence of maleic acid and DTPA to reduce nitrite levels. The resulting nitrite-free amine oxide is employed in various detergent compositions.

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Inventors:
Miller, Larry Eugene
Hawkins, Jean Paul
Bernard George, Durham
Application Number:
JP51262895A
Publication Date:
April 28, 1997
Filing Date:
September 28, 1994
Export Citation:
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Assignee:
THE PROCTER AND GAMBLE COMPANY
International Classes:
C07C291/04; C11D1/75; C09K23/16; (IPC1-7): C07C291/04; B01F17/16; C11D1/75
Attorney, Agent or Firm:
Kazuo Sato (3 others)



 
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