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Frederick A Hartman, Christopher M Perkins: Detergent compositions containing ethylenediamine-N,N-disuccinic acid. The Procter & Gamble Company, Bart S Hersko, Steven J Goldstein, Jerry J Yetter, November 3, 1987: US04704233 (134 worldwide citation)

Laundry detergent compositions containing a detergent surfactant, a detergent builder, and from about 0.1% to about 10% by weight ethylenediamine-N,N'-disuccinic acid or salts thereof are disclosed. These compositions provide enhanced removal of organic stains, such as food and beverage stains.


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Mark W Glogowski, Frederick A Hartman, Stephen W Heinzman, Christopher M Perkins: N,N-(1-oxo-1,2-ethanediyl)-bis(aspartic acid), salts and use in detergent compositions. The Procter & Gamble Company, Lars S Johnson, Jerry J Yetter, Richard C Witte, January 8, 1991: US04983315 (44 worldwide citation)

Disclosed are the N,N'-(1-oxo-1,2-ethanediyl)-bisaspartates comprising the moiety ##STR1## methods for their preparation (including an unexpected preparation from glyoxal bisulfite and aspartic acid in concentrated aqueous alkaline media) and useful compositions containing the same; illustrative are ...


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James J Benedict, Christopher M Perkins: Pharmaceutical compositions containing geminal diphosphonates. The Procter & Gamble Company, K W Zerby, David L Suter, December 10, 1996: US05583122 (24 worldwide citation)

Pharmaceutical compositions, useful for treating abnormal calcium and phosphate metabolism, which contain geminal-diphosphonic acid compounds; and a method of treating diseases characterized by abnormal calcium and phosphate metabolism utilizing these pharmaceutical compositions.


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Christopher M Perkins: Detergent compositions containing ethylenediamine-N,N-diglutaric acid or 2-hydroxypropylenediamine-N,N-disuccinic acid. The Procter & Gamble Company, Jerry J Yetter, Kim William Zerby, Brian M Bolam, July 2, 1996: US05531915 (15 worldwide citation)

Detergent compositions containing conventional detergent surfactants, detergent builders, and the like, and a chelant selected from ethylenediamine-N,N'-diglutaric acid (EDDG) and 2-hydroxypropylenediamine-N,N'-disuccinic acid (HPDDS) are disclosed. Such compositions provide enhanced removal of orga ...


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James J Benedict, Christopher M Perkins: Methods of treating diseases with certain geminal diphosphonates. Norwich Eaton Pharmaceuticals, Milton B Graff IV, David L Suter, Jack D Schaeffer, February 20, 1990: US04902679 (5 worldwide citation)

Methods of treating non-inflammatory diseases characterized by abnormal calcium and phosphate metabolism comprising administering a pharmaceutical composition comprising a geminal diphosphonic acid compound in which the diphosphonic acid-containing carbon is linker via a sulfur atom or a sulfur-cont ...



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