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:
Sep. 28, 1999
Filed:
Nov. 05, 1997
Applicant:
Inventors:
Chun Christine Dong, Macungie, PA (US);
Thomas Hsiao-Ling Hsiung, Emmaus, PA (US);
Timothy Christopher Golden, Allentown, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423488 ; 423210 ; 95117 ;
Abstract
An adsorbent and method for removing water from gaseous HCl. MgCl.sub.2 supported on an activated carbon or silica gel substrate activated by heating to a temperature between 150.degree. C. (302.degree. F.) and 300.degree. C. (572.degree. F.) under vacuum will remove water at partial pressures of below 0.5 torr. Activation of the MgCl.sub.2 supported adsorbent can also be effected by heating the adsorbent between 270.degree. C. (518.degree. F.) and 400.degree. C. (752.degree. F.) under nitrogen.