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:
Dec. 02, 2014
Filed:
Sep. 11, 2006
Mubarik Mahmood Chowdhry, Singapore, SG;
Hideki Yamashita, Mie-gun, JP;
Cheeseng Yong, Shanghai, CN;
Gregory John Catterall, Essendon North, AU;
Jonathon Shane Allen, Melbourne, AU;
Roger Jan Van Sonsbeek, Melbourne, AU;
David Redfern, Melbourne, AU;
Bernhard Schuler, Mannheim, DE;
Oliver Wagner, Osthofen, DE;
David Christie, Balgownie, AU;
Mubarik Mahmood Chowdhry, Singapore, SG;
Hideki Yamashita, Mie-gun, JP;
Cheeseng Yong, Shanghai, CN;
Gregory John Catterall, Essendon North, AU;
Jonathon Shane Allen, Melbourne, AU;
Roger Jan Van Sonsbeek, Melbourne, AU;
David Redfern, Melbourne, AU;
Bernhard Schuler, Mannheim, DE;
Oliver Wagner, Osthofen, DE;
David Christie, Balgownie, AU;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention also relates to a method to increase stain resistance and penetration resistance of aqueous coating compositions which method comprises providing a coating composition which contain at least one pigment, at least one film-forming polymer in the form of an aqueous polymer dispersion and at least one anionic surfactant, wherein the anionic surfactant comprises at least 85% by weight, preferably at least 90% by weight, more preferably at least 95% by weight, based on the total weight of anionic surfactant in the coating composition, of at least one anionic surfactant S, which is selected from semi-esters of sulfuric acid or phosphoric acid with an alcohol, which alcohol carries at least one alkyl radical having from 8 to 30 carbon atoms or an alkyl substituted phenyl radical wherein alkyl has from 4 to 30 carbon atoms and which alcohol may carry an oligo-C-C-alkylene-ether group provided that the number of repeating units in the oligo-C-C-alkylene-ether group is at most 15, or a salt thereof.