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:
Feb. 28, 2006
Filed:
Jul. 04, 2002
Gerhard Auer, Krefeld, DE;
Dirk Weber, Rheinberg, DE;
Werner Schuy, Tönisvorst, DE;
Frank Wittekopf, Tönisvorst, DE;
Gerhard Auer, Krefeld, DE;
Dirk Weber, Rheinberg, DE;
Werner Schuy, Tönisvorst, DE;
Frank Wittekopf, Tönisvorst, DE;
Kerr-McGee Pigments International GmbH, Zurich, CH;
Abstract
The invention relates to a method for directly cooling fine-particle, powdery solid substances by using a cooling medium provided in the form of low-boiling condensed gases or of cold gases obtained therefrom, whereupon bulk material packings are subsequently filled with these solid substances. The invention also relates to a device for directly cooling the fine-particle, powdery solid substances and to fine-particle, powdery solid substances, which are located inside bulk material packings and which, compared to air, have a lower oxygen content in the gas phase between the solid substance particles.