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:
Jul. 04, 2006
Filed:
Oct. 12, 2004
Dirk Achten, Köln, DE;
Rafael Warsitz, Essen, DE;
Gregor Dudziak, Bonn, DE;
Franz-josef Mersmann, Bergisch Gladbach, DE;
Stephen Pask, Dormagen, DE;
Zsolt Szentivanyi, Leverkusen, DE;
Dirk Achten, Köln, DE;
Rafael Warsitz, Essen, DE;
Gregor Dudziak, Bonn, DE;
Franz-Josef Mersmann, Bergisch Gladbach, DE;
Stephen Pask, Dormagen, DE;
Zsolt Szentivanyi, Leverkusen, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
The present invention relates to a method for the preparation of purified elastomers prepared by emulsion polymerization, wherein the level of impurity is reduced by up to 99 wt. %, expressed in terms of the unpurified elastomer. The present invention also relates to elastomers which can be obtained by the method according to the present invention, to the use of the elastomers for the production of all types of products, and to the product which is produced by processing the elastomer which can be obtained by the method according to the present invention.