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:
Aug. 27, 2002
Filed:
Apr. 06, 2000
Applicant:
Inventors:
Friedrich Haendeler, Bergisch Gladbach, DE;
Heiko Herold, Neuss, DE;
Leslaw Mleczko, Bochum, DE;
Claus Riehle, Odenthal, DE;
Franz-Josef Mersmann, Bergisch Gladbach, DE;
Jürgen Schneider, Köln, DE;
Michael Dauben, Neuss, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/34 ; B01J 8/24 ;
U.S. Cl.
CPC ...
C08F 2/34 ; B01J 8/24 ;
Abstract
The present invention relates to a process for the continuous discharge of pre-classified polymer particles, particularly rubber particles, from a gas phase polymerization reactor, comprising the steps of classifying the polymer in a classifier, discharging the particles with a sufficient size and conveying the undersized particles back into the gas phase polymerization reactor.