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. 21, 2002
Filed:
Jul. 20, 2000
Applicant:
Inventors:
Armin Konrad, Schwabmuenchen, DE;
Torsten Fries, Stadtbergen, DE;
Alfred Gahn, Berlin, DE;
Franz Kummer, Munich, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 1/700 ; C01F 7/00 ; C01F 1/100 ; C22B 5/900 ; C22B 2/100 ;
U.S. Cl.
CPC ...
C01F 1/700 ; C01F 7/00 ; C01F 1/100 ; C22B 5/900 ; C22B 2/100 ;
Abstract
The present invention relates to oxidic nanocrystals and a process and apparatus for producing oxidic nanocrystals from metalorganic compounds or volatile inorganic compounds. In particular, the process is suitable for oxidic or oxysulfidic nanocrystals, particularly based on the elements Y, Gd, Mg, Ca, Ba and Al. The nanocrystals preferably have a mean initial particle size of 1 to 20 nm.