Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2003-12-11
2008-10-14
Boyer, Charles I (Department: 1796)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S220000, C510S221000, C510S232000, C510S233000, C510S276000, C510S296000, C510S302000, C510S304000, C510S309000, C510S312000, C510S320000, C510S338000, C510S367000, C510S372000, C510S371000, C510S378000, C510S392000, C510S407000, C510S418000, C510S439000, C510S441000, C510S511000
Reexamination Certificate
active
07435714
ABSTRACT:
The invention relates to liquid detergent and cleaning agent compositions of high storage stability. They comprise a liquid medium with a water content of up to 15 wt. % and particulate coating bleaching agents suspended therein. The bleaching agent has a dissolving time of at least 5 minutes and a coating of at least two layers: The innermost layer comprises one or more hydrate-forming inorganic salts as the main component(s), and an outer layer, which makes up 0.2 to 5 wt. % of the coated bleaching agent, comprises alkali metal silicate(s) with a modulus of SiO2 to M2O (M=alkali metal) of greater than 2.5 as the main component(s). Preferred compositions comprise sodium percarbonate with an innermost layer of substantially sodium sulfate and an outermost layer of substantially 0.5 to 1.5 wt. % sodium silicate (modulus 3.2 to 4.2) as the bleaching agent.
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Fender Michael
Jakob Harald
Kottke Ulrike
Overdick Ralph
Stoschek Silke
Boyer Charles I
Evonik Degussa GmbH
Law Office of Michael A. Sanzo, LLC
Sanzo Michael A.
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