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:
Oct. 18, 2016
Filed:
Mar. 21, 2011
Hanns-ingolf Paul, Leverkusen, DE;
Paul Wagner, Dusseldorf, DE;
Rolf Feller, Mettmann, DE;
Jörg Kirchhoff, Cologne, DE;
John Lovegrove, Sarnia, CA;
Florian Forner, Cologne, DE;
Michael Klimpel, Langenfeld, DE;
Peter Weuta, Leverkusen, DE;
Sven Brandau, Strasbourg, DE;
Hanns-Ingolf Paul, Leverkusen, DE;
Paul Wagner, Dusseldorf, DE;
Rolf Feller, Mettmann, DE;
Jörg Kirchhoff, Cologne, DE;
John Lovegrove, Sarnia, CA;
Florian Forner, Cologne, DE;
Michael Klimpel, Langenfeld, DE;
Peter Weuta, Leverkusen, DE;
Sven Brandau, Strasbourg, DE;
LANXESS Deutschland GmbH, Cologne, DE;
ARLANXEO Switzerland S.A., Granges-Paccot, CH;
Abstract
The present invention relates to specific water and solvent-free nitrile rubbers having specific functional groups and/or end groups, a process for the production thereof and the use thereof. This process involves removing volatile compounds from a fluid (F) containing (1) at least one nitrile rubber and (2) at least one volatile compound, wherein the process comprises at least the steps of a.) treating the fluid (F) in at least one conversation unit, b.) retreating the concentrated fluid from step a.) in at least one retreating unit and c.) feeding the retreated concentrated fluid from step b.) into at least one retreating unit.