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:
May. 23, 2017
Filed:
Jul. 28, 2015
Applicant:
Arlanxeo Deutschland Gmbh, Dormagen, DE;
Inventors:
Ricarda Leiberich, Neu-Isenburg, DE;
Joachim Ritter, Leverkusen, DE;
Hanns-Ingolf Paul, Leverkusen, DE;
Udo Wiesner, Bornheim, DE;
Holger Luesgen, Solingen, DE;
Assignee:
ARLANXEO Deutschland GmbH, Dormagen, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/56 (2006.01); C08K 5/01 (2006.01); C09J 115/02 (2006.01); C09D 115/02 (2006.01); C08F 8/22 (2006.01); C09D 7/12 (2006.01); C09J 11/06 (2006.01);
U.S. Cl.
CPC ...
C08K 5/01 (2013.01); C08F 8/22 (2013.01); C09D 7/1233 (2013.01); C09D 115/02 (2013.01); C09J 11/06 (2013.01); C09J 115/02 (2013.01);
Abstract
The invention relates to an energy efficient, environmentally favorable process for the preparation of brominated butyl rubbers, that uses a bromination agent and a oxidizing agent in order to enhance the utilization of bromine contained in the bromination agent. In a preferred embodiment a common medium for both solution polymerization and subsequent bromination of the rubber is employed.