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Ronald A Fong, Sheldon N Lewis, Richard J Wiersema, Alfred G Zielske: Glycolate ester peracid precursors. The Clorox Company, Joel J Hayashida, Michael J Mazza, Stephen M Westbrook, October 18, 1988: US04778618 (53 worldwide citation)

The invention provides novel bleaching compositions comprising peracid precursors with the general structure ##STR1## with R, R', R" and L as defined in the specification. Novel peracids and precursors are also herein disclosed. These peracid precursors provide new, proficient and cost-effective com ...


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James D Mitchell, Daniel T Carty, Alfred G Zielske: Liquid hydrogen peroxide/peracid precursor bleach: acidic aqueous medium containing solid peracid precursor activator. Clorox Company, Ciotti & Murashige Irell & Manella, September 20, 1988: US04772290 (23 worldwide citation)

Storage-stable, low temperature-active liquid hydrogen peroxide laundry bleaching compositions are provided. The compositions contain a dispersion of a solid particulate peracid activator in acidic aqueous hydrogen peroxide. The activator is insoluble at the acidic conditions of storage but dissolve ...


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Barry A Sudbury, Alfred G Zielske: Stable hypochlorite solution suspendable dyes. The Clorox Company, Hubert E Dubb, July 3, 1984: US04457855 (22 worldwide citation)

This invention relates to dyes which are resistant to hypochlorite attack, exemplary of which are anthraquinone dyes of the general formula: ##STR1## wherein X.sub.1, X.sub.2, X.sub.3, X.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are defined within the specification. The invention also relates to ...


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James W Arbogast, James E Deline, Lafayette D Foland, Thomas W Kaaret, Kevin A Klotter, Michael J Petrin, William L Smith, Alfred G Zielske: N-alkyl ammonium acetonitrile bleach activators. The Clorox Company, Majestic Parsons Siebert & Hsue, April 21, 1998: US05741437 (19 worldwide citation)

Bleaching compositions are provided that comprise a nitrile containing compound that has the nitrile bonded to a quaternary nitrogen through a methylene unit (where one or both of the normal hydrogens can be substituted), and two of the quaternary nitrogen bonds are part of a saturated ring. This sa ...


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James W Arbogast, James E Deline, Lafayette D Foland, Thomas W Kaaret, Kevin A Klotter, Michael J Petrin, William L Smith, Alfred G Zielske: N-alkyl ammonium acetonitrile bleach activators. The Clorox Company, Majestic Parsons Siebert & Hsue, April 14, 1998: US05739327 (19 worldwide citation)

Bleaching compositions are provided that comprise a nitrile containing compound that has the nitrile bonded to a quaternary nitrogen through a methylene unit (where one or both of the normal hydrogens can be substituted), and two of the quaternary nitrogen bonds are part of a saturated ring. This sa ...


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Alfred G Zielske: Acyloxynitrogen peracid precursors. The Clorox Company, Joel J Hayashida, Michael J Mazza, Stephen M Westbrook, September 18, 1990: US04957647 (16 worldwide citation)

The invention provides novel bleaching compositions comprising peracid precursors having oxynitrogen leaving groups. Peracid precursors containing these leaving groups provide new, proficient and cost-effective compounds for fabric bleaching.


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Richard R Rowland, Ronald A Fong, Richard J Wiersema, Alfred G Zielske: Late peracid precursors. The Clorox Company, Majestic Parsons Siebert & Hsue, January 26, 1993: US05182045 (14 worldwide citation)

Polyglycolate compounds are provided having the general structure: ##STR1## wherein n is an integer from 2 to about 10; R is C.sub.1-20 linear or branched alkyl, alkoxylated alkyl, cycloalkyl, aryl, alkylaryl, substituted aryl; R' and R" are independently H, C.sub.1-20 alkyl, aryl, C.sub.1-20 alkyla ...


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Alfred G Zielske: Diperoxyacid precursors and method. The Clorox Company, Majestic Gallagher Parsons & Siebert, April 5, 1988: US04735740 (13 worldwide citation)

Novel sulfonated phenyl esters of dicarboxylic acids are useful as diperoxyacid precursors in bleaching and laundering applications when combined with a source of peroxide. These diperoxyacid precursors can be produced by reacting a dicarboxylic acid, a phenol sulfonate, and a lower alkyl acid anhyd ...