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:
Apr. 18, 1995
Filed:
Apr. 26, 1993
Applicant:
Inventors:
Theo Konig, Laufenburg-Rotzel, DE;
Dietmar Fister, Murg-Niederhof, DE;
Assignee:
H. C. Starck GmbH & Co. KG., Goslar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75255 ; 75245 ; 420427 ;
Abstract
This invention relates to fine-particle powders of the metals B, Al, Si, Ti, Zr, Hf, V, Nb, Ta and/or Cr which have a defined particle size of 1.0 nm to less than 3 .mu.m. Less than 1% of the individual particles of the powder deviate by more than 40% from the average particle size, and no individual particle of the powder deviates by more than 60% from the average particle size.