The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 02, 2010
Filed:
Apr. 12, 2007
Wasil Maslow, Deventer, NL;
René Gerritsen, Loosdrecht, NL;
Bernhard DE Vries, Hulshorst, NL;
John Meijer, Deventer, NL;
Paul Albert Iacobucci, St. Charles, IL (US);
Wasil Maslow, Deventer, NL;
René Gerritsen, Loosdrecht, NL;
Bernhard De Vries, Hulshorst, NL;
John Meijer, Deventer, NL;
Paul Albert Iacobucci, St. Charles, IL (US);
Akzo Nobel N.V., Arnhem, NL;
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.