Aqueous hydrogen peroxide-containing composition and its use for cleaning surfaces
US7824503B2 · kind B2 · utility
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3References
10Claims
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Key dates
| Filing date | Apr 12, 2007 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Apr 12, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention pertains to an aqueous composition having a pH of 3 or less and comprising the following ingredients, based on the total weight of the composition: a) 0.05-40 wt % of a polymeric thickener having —COOR groups, wherein R is independently chosen from H, OH, and a carbon-containing group, and b) 0.05-60 wt % of hydrogen peroxide, wherein the active oxygen content attributable to ingredient a) is at least 0.02 wt %, based on the total weight of the composition, with the proviso that (co)polymers prepared from (meth)acrylate monomers are absent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.