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. 02, 2002
Filed:
Nov. 02, 1999
Ward C. Stevens, New Fairfield, CT (US);
Delwyn Cummings, Meriden, CT (US);
Philip Chen, Bethel, CT (US);
Advanced Technology Materials, Inc., Danbury, CT (US);
Abstract
A ceramic composition having a high adsorptive capacity for oxygen at elevated temperature, including at least one of: Bi Er O ; Bi Y O ; La Ba Co Ni O ; La Sr Co Ni O ; La Ca Co Ni O ; La Ba Co Fe O ; La Sr Co Fe O ; and La Ca Co Fe O ; wherein x is from 0.2 to 0.8, y is from 0 to 1.0 and d=0.1 to 0.9. Such ceramic composition may be made using a modified Pechini synthetic procedure. The resulting ceramic composition is usefully employed as an adsorbent for separation of oxygen from an oxygen-containing feed gas mixture, e.g., in a pressure swing adsorption (PSA) process.