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:
Feb. 04, 2014
Filed:
Nov. 26, 2009
Ronald Klagge, Erkrath, DE;
Thomas Schliwka, Bergisch Gladbach, DE;
Uwe Held, Velbert, DE;
Thomas Mausberg, Haan, DE;
Katharina Hömberg, Hilden, DE;
Stefan Busch, Düsseldorf, DE;
Shailesh C. Shah, Dresher, PA (US);
Ronald Klagge, Erkrath, DE;
Thomas Schliwka, Bergisch Gladbach, DE;
Uwe Held, Velbert, DE;
Thomas Mausberg, Haan, DE;
Katharina Hömberg, Hilden, DE;
Stefan Busch, Düsseldorf, DE;
Shailesh C. Shah, Dresher, PA (US);
Cognis IP Management GmbH, Duesseldolf, DE;
Abstract
The invention relates to a copolymerizable emulsifier comprising (meth)acrylic acid esters, selected from compounds of the general formula (1) and (II), where: A is an acrylic group having 3 to 40 carbon atoms, x and y independently of each other are a hydrogen group or a methyl group, B is hydrogen or a sulfate or phosphate group, and n a number in the range of 0 to 40. The invention further relates to methods of using said copolymerizable emulsifier in the emulsion polymerization of olefinically unsaturated monomers to prepare polymers.