Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2007-04-03
2007-04-03
Boyer, Charles (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S238000, C510S245000, C510S247000, C510S253000, C510S256000, C510S268000, C510S395000, C510S398000, C510S475000, C510S485000, C510S486000, C510S507000, C510S511000, C510S477000, C510S426000
Reexamination Certificate
active
10505068
ABSTRACT:
Improved hard surface cleaning compositions having an acidic pH provide good removal of soap scum stains. Compositions of the present invention comprise an acidic constituent which comprises either citric acid alone or citric acid in combination with an acid selected from the group consisting of sorbic acid, acetic acid, boric acid, formic acid, maleic acid, adipic acid, lactic acid, malic acid, malonic acid, glycolic acid, and mixtures thereof; at least one anionic surfactant; at least one thickener; at least one scrubbing agent; one or more optional constituents; and the balance water; wherein the aqueous hard surface cleaning composition exhibits a pH of 6.0 or less.
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Combined Search and Examination Report from The Patent Office in the United Kingdom for Application No. GB 0204039.2 dated Oct. 28, 2002.
Cheung Tak Wai
Costa Benjamin
Fu Edward
Boyer Charles
Norris McLaughlin & Marcus PA
Reckitt Benckiser , Inc.
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