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:
Jun. 29, 2004
Filed:
May. 16, 2002
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B 3/08 ;
U.S. Cl.
CPC ...
F26B 3/08 ;
Abstract
An apparatus ( ) is proposed for drying and heat-treating pellets with a stream of inert gas, wherein the apparatus has a cuboid base unit ( ) with a feed ( ) for the pellets in its upper part and an outlet ( ) in its lower part, with a feed ( ) on one lateral surface and with an exhaust base ( ) on the opposite lateral surface of the cuboid base unit ( ) for the stream of inert gas, and also with distribution and retention equipment ( ) in the region of the feed ( ) and, respectively, of the exhaust ( ) for the stream of inert gas, where each of these extends essentially over the entire vertical cross section of the cuboid base unit ( ).