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:
Jun. 05, 2012
Filed:
Jun. 28, 2010
Ronald Klagge, Erkrath, DE;
Uwe Held, Velbert, DE;
Thomas Mausberg, Haan, DE;
Katharina Hömberg, Hilden, DE;
Thomas Schliwka, Bergisch Gladbach, DE;
Ronald Klagge, Erkrath, DE;
Uwe Held, Velbert, DE;
Thomas Mausberg, Haan, DE;
Katharina Hömberg, Hilden, DE;
Thomas Schliwka, Bergisch Gladbach, DE;
Cognis IP Management GmbH, Duesseldorf, DE;
Abstract
The invention is directed to the use of maleic esters selected from compounds of formulae (I) and (II) as copolymerizable emulsifiers in the emulsion polymerization of olefinically unsaturated monomers, in which A is an alkyl group having 3 to 40 carbon atoms; X and Z independently are hydrogen or methyl; M is hydrogen, an alkali metal, alkaline earth metal, or an ammonium or other amine salt; and n and p independently are numbers in the range from 0 to 40.