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:
Mar. 06, 2001
Filed:
Oct. 27, 1997
Applicant:
Inventors:
Assignee:
Egbert Brandau, Alzenau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 9/10 ; B01J 3/508 ; B01J 2/008 ; C01F 7/02 ;
U.S. Cl.
CPC ...
B29B 9/10 ; B01J 3/508 ; B01J 2/008 ; C01F 7/02 ;
Abstract
In order to produce aluminium oxide beads, an acid aluminium oxide sol or an acid aluminium oxide suspension is converted into droplets by a vibrating nozzle plate and pre-solidified after the formation of a bead shape by laterally blowing gaseous ammonia and then coagulated in an ammonia solution.