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:
Nov. 14, 2000
Filed:
Oct. 28, 1999
Applicant:
Inventors:
Teimuraz Abesadze, Joplin, MO (US);
William E Saunders, Miami, OK (US);
Marvin Y Wachs, Joplin, MO (US);
Dennis K Manning, Commerce, OK (US);
Assignee:
Eagle-Picher Industries, Inc., Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; C01B / ;
U.S. Cl.
CPC ...
423 89 ; 423-2 ; 423341 ; 423489 ; 423491 ; 423 91 ; 423D / ; 210681 ;
Abstract
Isotopes of either germanium or silicon are separated by a chemical exchange reaction. Preferably the compound is a hydro halide or halide composition and the donor can be a wide variety of compounds such as a lower molecular weight alcohol.